Now you give it 15/30 mins and then you check the voltage of the dead battery again, it should be in the mid to high 11s. Then you hook up the + to + and the - to -, just like you would to jumpstart a car. And 2 pieces of copper wire of which you beat the tips till they are flat enough to fit in the terminals. In order to jumpstart your dead battery all you need is a charged battery of the same voltage (amperage doesn’t matter). On top of the battery you can find the positive and negative terminal and when you hook those up to a voltage meter the voltage most likely reads low 11volts or even in the 10volt range. More Buying Choices 37. Milwaukee 48-11-2425 M12 REDLITHIUM HIGH Output CP 2.5Ah Battery 180 3889 FREE delivery Mon, Jul 31 Only 17 left in stock - order soon. I had 3 dead m12 6.0a batteries that all gave the green/red blinking light. : M12 Battery 1-48 of 322 results for 'm12 battery' Results Check each product page for other buying options. If your battery is dead and it gives a green/red blinking light when you try to charge it the voltage most likely dropped too much. The combined effects of the degradation mechanisms from aging and overdischarge pose a threat to cell integrity and user health especially at the end of the cycle life. Overdischarge is a benign abuse test per se that can turn into a problematic hazard cause when combined with a subsequent charging. Though personally, I would just trash the over-discharged battery - the $50 saved isn't worth the risk of a house fire. Get a cheap metal ammo box and charge and store it inside, for example. If you go this route, I would heavily recommend that you label the revived battery as being compromised and take extra care, especially while charging, and especially especially as it gets older. The likelihood of this happening is somewhat low, but the probability will increase as the 'revived' battery ages and goes through more charge cycles. A lithium battery that has been over-discharged will internally degrade in fun and varied ways, and can catastrophically fail especially while being charged. It should be noted that the reason the charger gave you blinking lights is not because it can't charge that battery, it's that it has been specifically programmed not to, for safety reasons. News Article Promo/Deal M12 M18 MX Fuel Packout Purchase Advice Information Rumors Media Helpful Links No self-promotion/Sale of Items more ››.No memes, image macros, reaction gifs/videos, etc.Posts related to firearms, religion, or flags will be allowed but locked.Includes but not limited to religious and political topics. No reposts, rehosted, or freebooted content.Promo/Deal posts must include a link to the sale.Rules › Wiki › User flair › Where to Buy › Message the mods ›.
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