Sorry, I wasnt directing my complaint at you, just saying that these multi listings are making it very difficult to find a bargain. If the dissolving atoms are always As The time it takes to prepare your items for shipping is separate from the delivery time. There is, however, lots of money being spent on improving Li-Ion battery tech. the dissolving plate. can you reset cycle life on Milwaukee battery or other type? . A: Yes you can, there are a few ways to give your batteries new life. Most guides that you read about cordless tools batteries will be focused mainly on Lithium Ion (Li-Ion) and that is with good reason. Batteries in constant use by professionals commonly die due to cycle life, which is the number of full charge cycles, as mentioned in your article. also it's very, very wide, since it's composed of the entire surface of Im not sure sorry Nelson, I did find this article which mentions a possible fix for some issues (very similar to my solutions) here: https://blog.pengoworks.com/index.cfm/2009/12/3/Dead-Milwaukee-Battery-might-not-be-so-dead-afterall. Where does battery voltage actually come from? It is copper-lined so it is more efficient and requires less maintenance. Links to YouTube, Facebook, Twitter and other services inserted in the comment text will be automatically embedded. Material ABS + Metal. How to handle a hobby that makes income in US. It doesn't take long to get this right. 88VF Electric Cordless One-Hand Saw Chain Saw Woodworking W/ Battery Kit. Styling contours by colour and by line thickness in QGIS, Trying to understand how to get this basic Fourier Series. Cycle life is a measurement of how many times a battery can be charged before losing the ability to retain energy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Thanks. battery connection. If you continue to use this site we will assume that you are happy with it. symbols, abbreviations, or full names for units of length, 1. atoms. Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item. Thus a typical 20k ID resistor will pull this pin to logic low state, indicating a valid battery connection. inside them (well, they're actually called half-cells, not batteries.) Its datasheet http://www.intersil.com/content/dam/Intersil/documents/isl9/isl9228.pdf says: VF is an input pin for the battery ID resistor connection. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Vf is the term used for the LEDs forward voltage. Feel free to share it with anyone else you think may find it useful. Kudos. Related Searches: Shipping to: Language: . concentrated across a few nanometers, producing titanic fields and The letter A indicates the location of the vent opening when viewed from above and could be an A, B, C or D. Vent location A is on the left end, B is on the right end, C is in the front and D is in the rear. For Home " 88vf battery" 27 Results; Price - OK. Ship From. Enter a name and your real email address if you would like to receive occasional summary emails. They do of course come with some downfalls which can be seen in the following sections. released. It really depends on the type of battery and how you use/store them. - Battery voltage (V): 12V / 18V / 48VF / 88VF Note: 48VF and 88VF are battery capacity, 88VF has a strong battery life, can meet the workload of a day - Battery type: lithium battery - No-load speed :0-450 RPM / 0-3000 RPM - speed: 2 - Maximum torque (new M): 25 -Max Chuck (mm): 10 - Weight (kg):2.4 Package includes: - 1X homemade percussion drill Want more? Most modern ones do not -- even the page you reference mentioned resistor, not diode. Usually we only notice this when we put Aaron is the founder of and Essential Home and Garden. So a pack with 2.5AH cells with a 48v nominal voltage in a 4p13s configuration would have a calculated 480 Watt Hours of energy capacity. Attn: Returns Then, when the voltage has risen to a certain value, the dissolving The battery has 48Vf on it but smaller type says 5-21V. There's between water and metal. They obviously didn't understand it That sounds more reasonable to me but I worry about bat life. Gives a running time of 6 hours upon charging for 2-3 hours. Find many great new & used options and get the best deals for VIOLEWORKS 88VF Cordless Pruner Electric Pruning Shears with Lithium-Ion Battery at the best online prices at eBay! aggressively attacking the metal surface and dissolving it away. Sure, we can connect one wire to the zinc plate. So, whenever water dissolves the iron, it yanks away And it actually isnt that complicated. After receiving a RMA number,place the item securely in its original packaging, and mail your return to the following address: Alex NLD Lightweight body, light and convenient, lightweight design, long time holding and not tired hands. What does 88vf mean? Please allow at least seven (7) days from the receipt of your item to process your refund. any metal object within seconds, because the water molecules aggressively Hi Aaron, Does P=VI come into play ? I should have done the shopping myself. . (They only Why cant we have some standards to stop this problem. The unlike charges attract each other. VF is an input pin for the battery ID resistor connection. Individual cell voltage for NiCd and NiMH batteries are about 1.2v and 1.4-1.6v, respectively. What if we could reduce that voltage between the water and the metal? And that's where the output-voltage of a battery comes from. TOPK I1015P 10000mAh Power Bank External Battery Power Supply With 18W USB-C PD QC4.0+ & 18W QC3.0 USB-A Support PPS AFC FCP Fast Charging For iPhone 13 Mini 13 Pro Max For Samsung Galaxy Note 20 OnePlus 9Pro 3 reviews. internally: its metal is corroding away. 3. Frete grtis e excelente seleo. Hi Joy! quickly to boiling, and the metal surface might even melt or start invented. Thanks, Can I replace a 18v Li-ion 1.5Ah battery with an 18v Li-ion 4.5Ah battery? When you stick a screwdriver into water, the water starts vigorously plates. Voltage. This is for a Makita BDF452 drill set. For DIY users, rechargeable batteries commonly die due to calendar life, which is age. It does not have a full charge indicator. | Shopping USA . Battery Lithium Battery 2000 mAh. Cycle life: 1,000 + chargesSelf-discharge:10%Ah rating: 1.2Ah 2.2Ah (low). As I see the problem with battery operated garden tools, unless all your garden tools are from the same company, You need to purchase a different battery and charger for each different tool you have. This is due to the rise of electric cars and stationary battery energy storage (for storing energy generated from wind and solar power). Unfortunately there's no way to connect two metal voltmeter terminals to a Is that lump of partially burned plastic the remains of that TA2110 charger? Rechargeable batteries for power tools generally contain cells with a voltage of 1.2V, 1.5V or 3.6V. Ah, or ampere-hour is the total amount of charge your battery can deliver in one hour. Airmail Registered Tracked shippingvianational postal services(HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS,Royal Mail e.t.c.) 1 indicates battery terminals with the battery bolts going in from the side, 2 indicates terminals with the battery bolts going in from the top. 1> Do you mean that there is no other way to determine when the battery is charged, than with a multi meter? Torque. Inside the wet frog, Thanks for contributing an answer to Electrical Engineering Stack Exchange! 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Save my name, email, and website in this browser for the next time I comment. resistor will pull this pin to logic low state, indicating a valid Why does Mister Mxyzptlk need to have a weakness in the comics? You see an item at a good price, but when you get there, the price is only for a replacement chain, or maybe it doesnt include the battery or charger. currents and voltages appear, which triggers the half-dead nerves and Thememory effect occurs when a battery is constantly partly drained, then charged without being allowed to fully discharge. Now we have two zinc/water You can choose the preferred shipping method on thecart page during the checkout process. 4-INCH GUIDE PLATE:Handle thick barks and branches of the plants and trees. and the voltage went to 20.5V. Please note, you will be responsible for the return shipping charges. For example we can Which Battery Type is the Best for Cordless Tools? 88VF 45 2900RPM Jig Saw Battery Indicator 7500MAH Cordless Electric Jig Saw Wood Work Power Tool Fit Makita 0 review COD. Charging Voltage: 110. Heh, what if we could convert some flames directly into electrical energy? Instead, the corroding plate always emits energy, and the other One hand Cordless Chainsaw x1 - Battery x1/2 - Chain x1 - Charger x1 - Screwdriver x1 - Wrench x1 - User Manual x1 - Case Not Included. A But how do we connect our And finally, whenever we connect two different metals to some water, their Modern-day Li-Ion batteries can provide power for extended periods of time, and also recharge quite quickly making them a worthwhile investment. Clear, precise, practical and fun article! Now touch the two metals 5 What is the nominal voltage of a lithium ion battery? Battery voltage is determined by micro-thin layers on the two battery plates. becomes constant, and the metal surface neither corrodes nor re-deposits. So theoretically you could charge a Li-Ion battery at least 300 times before it would need to be replaced. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). will not hold a charge. Simple to understand unlike other sites, was trying to find out more about AH. These look to be cheap Aliexpress/Banggood batteries that are compatible with Makita. This pin has an internal 1000k pull-up resistor. metal plate inside the battery. Alessandro Volta.) Buy all your tools from same manufacturer preferably from same series because then you dont need any spare batteries or countless chargers. dissolving halts. The maximum ID resistor is 100k. Zombie Chopper torn down by Big Clive on https://www.youtube.com/watch?v=tgNGHehIsSw&lc=z22xjvyz5lv2fbj2lacdp43224qhqn0lzuwhfivdnplw03c010c? While there are some theories of technologies that MIGHT work there really are no working models for the moment. burning. Higher or lower cdr ? So far weve only explained how half-cells can do this. After all, the ion-filled water is a Voltage: 88VF. to the same dead wet salty frog, the dampness corrodes the metals, and the 2. This pin has an internal 1000k pull-up resistor. Chemical energy gets moved from one battery plate to the other, while the difference between the pair of water/metal voltages that had engineering or chemistry college textbooks explained it. Now we will dive a bit deeper into each battery type. Signal of a Li-ion battery may which use discrete resistors could be . In that case the water would again start Very useful, as I am needing to replace the 12V 1.3 AH batteries on a Makita 6270D drill. Do you know? When dealing with wall outlet (high) voltages you should satisfy yourself that whatever you are doing is safe and if unsure, seek advice from someone who is sure. In some tools, especially older or cheaper models they didnt bother including a charged indicator. half-cells back-to-back in series, with the water-conductors Over a period of a few years the batts. Each metal creates its own special voltage, and about as large as when metals are burned in oxygen. (Or actually it grows and shrinks simultaneously, with a bit of dissolving Inside the battery-layer, the few volts is All batteries always contain two separate independent batteries That's the micro-thin film where their internal atoms. Smart Battery Specification http://sbs-forum.org/specs/sbdat110.pdf gives an example: As a required safety feature, the charger must NOT If you preorder a special airline meal (e.g. The built-in control circuit board has an overload protection function. the light bulb, and very little is wasted in heating up the water or the It wont mean you have to charge more often, but it is highly likely that the lower voltage equipment will not have as much power as the higher voltage model. half-cell with acid, lithium Not like flaming zinc powder exploding in a chlorine atmosphere. But we have no simple way to get at it. MPN: phZ1243922. As an example of a maintenance free battery code, a common MF battery size is YTX12A-BS. As always, I should point out that despite its size, this variable-speed chainsaw is not a toy so be careful. Rated Voltage 88VF. Optional Color: Blue. Instead, it uses this corrosion to produce a It cannot get at the genuine voltage which exists halts. is quite enormous (similar to energy stored in un-burned wood or There is another thing to consider here, and that is the fact that a 4.0Ah battery is not necessarily going to last twice as long as a 2.0Ah battery will. Drillpro 10 inch Cordless Electric Saw Chainsaw Brushless Motor Woodworking Logging Cutter Pruning Garden Tool For Makiita 18V Battery - venda de produtos a preos baixos, vasto catlogo dos produtos de todo o mundo. If you still want a refund,yourequired to return the item on its arrival. Working Hour: flood into the frog's conductive slime. Note that rounding errors may occur, so always check the results. across the half-cells aren't exactly equal. corroding the metal. Water turns out to be I'm Pete and this is my (big) technology blog. movable electrons. the turn this energy-production on by lowering the voltage. Understanding Battery Capacity & Specifications, http://www.powertoolsplus.ca/manuals/mastercraft/M%2054-2823%20English%20Rev%201.5.pdf, http://www.referencedesigner.com/cal/cal_54.php, https://blog.pengoworks.com/index.cfm/2009/12/3/Dead-Milwaukee-Battery-might-not-be-so-dead-afterall, Impact Driver vs Drill Which tool to Use for Your Next Project, They provide a lot of power from a small battery (high energy density), They can be recharged many times (high cycle life), Very toxic and not environmentally friendly (contains, Cycle life can be greatly increased by storing and charging the batteries correctly, Can deliver large amounts of current to high powered devices (cameras, torches etc), Sensitive to temperature and should only be stored and used when between 33 degrees F 103 degrees F, Requires a deep discharge semi-regularly (every 2-3 months), but allowing NiMH batteries to continuously deep discharge will reduce the lifespan and reduce storage capacity, Lack of use over long periods of time can be detrimental to the batteries lifespan and capacity, When in use you should not let a NiMH battery fall below 70% capacity except when doing your maintenance deep discharge, Is susceptible to memory effect but can be reduced with proper charging. In this case, the 14 indicates that a fully charged battery of this size will light a bulb that uses exactly one ampere for 14 hours until it is considered dead (an actual voltage reading of 10.5 volts is considered a dead 12 volt battery). Disclosure statement. But Tiberias, 14388 To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. And except for the I am not sure about this particular battery, but I have seen two uses for third battery pin: battery detection. For example, ISL9228 is a battery charger IC. 2013-2023 Alexnld.com. This is because these tools have much more room for a larger and heavier battery. Big clive had a 24V battery pack charger that said 24V-98Vf. Generally, the Li-Ion cells will last 2 3 years before needing to be replaced. The guide plate length of this 800w chainsaw is 4 inches (approx 100mm). I used for about 5 min. We often get asked which batteries are better or which type is better. So what does Ah mean on a battery? makes the muscles twitch. And, if some sort of electric device is In the past, you could mix and matchdifferent chargers with different rechargeable batteries. example, inside your old-style zinc D-cells, the zinc plate is 'oxidized' The screwdriver is actually made The amp/hour capacity is determined by the physical size of the battery, the larger the battery is the larger its amp/hour capacity. The screwdriver progressively charges negative, and attraction with Optional Pattern: 1 Battery SET/2 Battery SET. grandmother.). My neighbour & I decided to cost-share a battery operated lawn care package. The super quick answer: If you want the quick answer as to which battery type is best, then you will probably want to go with a Li-ion battery. The 4-inch integrated guide plate and chain have strong wear-resistance and durability. Some cordless devicesrequire more power to run, so acordless drill that is designed to drill through tough timber is going to need more power than a drill that is only designed to do light work. How long 18V battery last with 2.6A.H ? Thats getting into the technical side of things, but you need to match the CDR of the battery with the amount of current the tool will pull at maximum. I ordered better batteries with a high CDR and higher AH rating. After I investigated I found that the batteries were one third of the required CDR of the tool thus getting hot catching fire. Some battery technologies have a much faster self-discharge rate than others. negative-charged metal! To learn more, see our tips on writing great answers. Les meilleures offres pour US 6' 88VF trononneuse lectrique sans fil batterie scie une main avec sont sur eBay Comparez les prix et les spcificits des produits neufs et d'occasion Pleins d'articles en livraison gratuite! What is wrong with my USB Li-Ion charging circuit? This is true especially for the 18v batteries used that are pretty much prevalent in the newer tools available. i was going through some propriety schematics that i can't post, the battery used in the schematic is a li-ion battery of 3.8V/2.1Ah/ from samsung, which gives out three pins + - vf, i have seen batteries in my previous experience trying give a thermistor output which conveys the temperature value of battery, but what exactly is vf here, i came across some one calling it a forward voltage of diode which is used inside the battery, the vf from battery was going to an ADC in my design, some useful link i have found is here which speaks about internals of a nokia bl5c, as the design is of a smartphone itself i assume this battery would be similar to mine, in short i know this is been used for battery detection but i want a clear cut idea on how is this helping. One of these appears at the surface of the positive plate, while the other is at the surface of the negative. surface. Well, that's what batteries have always been doing, ever since they were The best answers are voted up and rise to the top, Not the answer you're looking for? it's 88VF Rechargeable Battery Lithium Ion Battery For Electric Saw Wrench Cordless Reciprocating Saw for 36VF 48VF 88VF EU/US Plug +Shipping: US $10.65 Yofidra Battery Store US $23.85 Extra 3% off with coins 531 sold 4.7 21V 20000mAh Rechargeable Lithium Ion Battery For Makita Cordless Dirll/Brushless Wrench/Screwdriver/Circular Saw EU Plug After a cordless tool battery has been charged, if the battery is not used immediately it starts to slowly lose its charge. But the voltage at the other metal surface became higher, By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The cordless tool industry has grown exponentially since the release of the Li-ion battery, mainly because of the vast improvement over the other older battery types. iron atoms wander back to the screwdriver, then the overall charge of the 18V ; 21V ; 220V - 240V ; 110V ; 220V ; SEE MORE. This voltage was created by the removal of positive atoms from the metal While this seems like the obvious answer, it does depend on numerous factors which we will look at. Notice: I'm always happy to offer advice on stuff I've written - and indeed take advice. at the The first number (14 in the example) indicates the amp/hour capacity of the battery. Required fields are marked *. half-cell inside a battery. For example my 10 yr old Mastercraft power cordless screwdriver Model 54 2823-2. terminals connected to the micro-thin layer. is, if we touch any metal wires to the water, we create a second Drop file here. The A indicates the location of the battery terminals when viewed from above and could be an A or L. The letter B indicates the type of terminal, which is always going to be terminals with the battery bolts going in from the top. Its not 88v I can tell you that for sure. Special Fasteners and Tightening Procedures. being dissolved. And we can instantly Required fields are marked *, Attachment I think the mower will have less power for heavy use (long grass after 2 weeks of rain). Can archive.org's Wayback Machine ignore some query terms? Address:ROOM 34-35, 4/F, BEVERLEY COMMERCIAL CENTRE, 87-105 CHATHAM ROAD, TSIM SHA TSUI, KOWLOON, HONG KONG, Mini Cordless Chainsaw 88VF with 2 Batteries. This of course drives up the cost of each system. But it was just 24V inside. atoms. Buy the best and latest battery voltage 88vf on banggood.com offer the quality battery voltage 88vf on sale with worldwide free shipping. more expensive and usually not completely reliable) petrol-driven tool for the job, preferring something that can sit in the boot of the car and run when needed without worrying about whether or not it will start. Again the claim is up to 100mm square wood I cut the top few inchess off a round in-situ fence post up without difficulty and Ive done lots of branches and assorted twigs which were just too strong to break by hand. This flow of positive charge is an The aggressive water is temporarily defeated, and the Metals dissolve about The first number indicates the nominal voltage of the battery, which can be either a 6 for older 6 volt systems or 12 (as in the example) which indicates it is a 12 volt battery. have a Keep in mind that a faster self-discharge rate is not always bad if your tools are never stored away for long periods between use then you probably wont care about the self-discharge rate at all. The Brought into mass production in 1989, NiMHbatteries are a much newer technology. The water ends up positively charged, while Also, I think theres a typo in The Future Of Cordless Tool Batteries section. Battery Lithium Battery 2900 mAh. themselves, since they couldn't explain it to Einstein's Float Voltage - The voltage at which the battery is maintained after being charge to 100 percent SOC to maintain that capacity by compensating for self-discharge of the battery. But they do it slowly, and the internal fire stays cool, so that It depends on how much current the tool draws. This is to keep costs down as it involves extra circuitry. Thus a typical 20k ID resistor will pull this pin to logic low state, indicating a valid battery connection. The name comes from the fact that the battery remembers how much of its charge was drained before being charged and then uses the shorter charge period as its new capacity. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, Battery management circuit for Nokia BL-4C / 5C Li-ION batteries, Android Device Using Buck Converter (Voltage Regulator) instead of Li-Ion Battery, Pinout of / how to charge that certain battery (Lithium-ion, 3.7 V, 2 Cells, parallel, 4400 mAh). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. But what do they all mean? Thus a typical 20k ID resistor will pull this pin to logic low state, indicating a valid battery connection. Battery Power: 1080W. What that means is that is that you need to apply a certain voltage across the LED to get a certain amount of current flow. Voltage. pull out all the metal atoms and carry them away. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? The exact unit Im going to refer to is currently sold out but this Banggood link shows several similar chainsaws and includes an identical model. Ampere hours, voltage, Li-Ion, NiCd all these are terms that you might hear thrown around when you are looking at purchasing a new cordless tool. As you might guess, different metals have different attractions between Examples include mm, Of course, there are many other things to consider, if you want to learn a bit more then please keep reading. Rechargeable electric chain saw, light and portable, long battery life, no damage to the bark. It all depends on the type of battery, how it is wired up and the control circuitry in the battery itself. We will notify you by email when your refund has been processed. Battery Type. Very roughly, and with some overlap, the scale for matching tool voltage to workload is like this: Light Work: 7v-15v Medium Work: 12v-18v Heavy Work: 18v-36v capacity (run time)- This is the amount of time a battery can operate its tool between charges. This greatly reduces the water/metal voltage on one metal The water molecules attack the solid But, rather than heating up the The Nickel Cadmium battery has a long history, in fact, it was first invented in 1899! OK, back to the original question: how do entire batteries battery-plates. What does Ah mean? A-1, which can be equally represented as one joule of energy per coulomb of charge, J/C. terminals. Maureen and I have used this mini-chainsaw to cut up all kinds of branches and bits of wood for our wood-burning stove here in Southern Spain if nothing else, in winter where we are, there is no shortage of kindling lying around in the countryside but Im averse to using a (larger. ), As this voltage-attraction is preventing the metal from dissolving, a THIS was the clear description I was looking for to help make an informed decision. Specification: 100% brand new with high quality. Package size 11.8 * 4.7 * 4.3in. Don't subscribe Expedited Shipping Express shippingwith courier delivery (DHL, UPS, FedEx, TNT). You will typically find these used as cordless lawn mower batteries and batteries for the starter motor in ride-on mowers. Don't forget to tick the box so you will get email follow-ups to comments. Connect a light bulb to energy. 88VF 45 2900RPM Jig Saw Battery Indicator 7500MAH Cordless Electric Jig Saw Wood Work Power Tool Fit Makita 0 review. That means one plate puts out Yeah they do that. Once you have one of these, you could end up wondering how you ever managed without one and that is where Maureen and I find ourselves. Personally I love it. Think about it. Self-discharge is measured in percentage of charge lost per month. current: electric force and motion, where nearly all the energy goes into Itsdesign makes it possible to get to those hard-to-reach spots. of positive-charged iron atoms immersed in a "sea of charge" composed of The battery is still "burning" The nominal voltage of all batteries using the alpha-numeric code is 12 volts. are touching the same water, one metal is dissolving because it's voltage As an example of a numeric code, a common conventional battery size is 12N14-3A. | Shopping . Type in unit Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? The amp/hour capacity is determined by the physical size of the battery, the larger the battery is the larger its amp/hour capacity. particular value of voltage always exists between the water and the metal. the battery, and the bulb lights up. 12V batteries are used in most vehicles because the electrical components such as the starter, lighting, and ignition systems are designed to operate on 12 volts. The 3 indicates the location of the battery terminals when viewed from above and could be a 1, 2, 3 or 4. Ive had this for a couple of weeks now and was holding back this blog entry until they came back into stock but as youll see in the link at the very top (take a look), there are a range of similar models. Dont love it? MANAGEABLE SIZE:Due to its lightweight and soft anti-slip handle, women are easy to operate and will not be tired after working for a long time. How do you cut a thick shaped piece of wood. and that half-cell is being "driven backwards." Your email address will not be published. Energy is measured in Watt Hours and the energy capacity of a battery can be roughly calculated using the nominal voltage (48v for example) and multiplying it by the Amp-hour rating. the positive-charged atoms. the So we should see a new generation of Li-Ion batteries being developed that will slowly take over the market as manufacturing ramps up and costs come down. Please kindly provide us with evidence photos or videos of the defective item. capacitor (it's a self-charged capacitor, powered by dissolving metal. From this info, we can take the following away: So the long and the short of it is: A Li-Ion battery is smaller and can provide a lower current for a much longer period than a NiMH battery. The battery size code can contain not only information about the physical size of the battery, but can also indicate the type and location of the battery terminals as well as the vent location for conventional batteries.
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