popularJohnDubya posted Today 06:08 AM
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Item 1 of 3
popularJohnDubya posted Today 06:08 AM
$77.99: DEWALT Battery Charger and USB Wall Charging Kit (DCB094K) @ Amazon
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I suggest take them off once they get full bars; plenty of people reporting instances of over charging and possible degradation of LiPo batteries (stacked pouch batteries; dewalt powerstacks and powerpacks) possibly due to failed cutoff, heat soak, parasitic drain ~1.5mA and or microcycling with the USB chargers. These new powerpack/stacks have a steep voltage curve drop off so they can be pushed into a deep discharge state once you use the remaining power at the lower end of the battery capacity per charge cycle.
There are no dewalt chargers that have battery balancing in their BMS so its best to not deep discharge them or else there is a high probability that it can lead to significant unbalanced battery which will significantly lower the battery's lifespan.
Another tip regarding powerstacks, the 'pouch battery' types do not typically produce a voltage sag where they give you a warning where the tool slows down and seem sluggish when the battery is low. These batteries have a voltage cliff, per se, where they give you high output then drop below 3V, sometimes below 2.5V gimping the battery and refusing a charge which is why you generally need to charge them after after they hit 1 bar because there will be no warning.
Fun fact: I'm using my DCB094 with a PowerStack right now.
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