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can you recharge an energizer e2 lithium AAA batteirs? Answered

i need help



Best Answer 9 years ago

No. You can't recharge these expensive but very high capacity disposable cells. There are some re-chargers out there that claim to be able to re-activate Alkaline cells but they only tickle them back to life a limited number of times and they are seriously not suitable for Lithium cells. There is a danger of explosion if you try. Don't do it.

Most people will tell you "NO" and with good reason, as explained elsewhere in this discussion. But the answer is actually yes, under carefully controlled conditions, which few of us are capable of creating safely. However, if the cell has discharged to the point where the entire electrode has dissolved, it's doubtful it can ever be recharged. Some cells which have been damaged by deep discharge can actually be rejuvenated over a longer period of charging.

I would not recommend this, but it would be dishonest of me to declare that it can't be done. You are simply dealing with something very dangerous, and potentially life-threatening if you don't know exactly what you're doing.

Hysteria isn't the best recipe for safety, but excellent awareness is.

I can not attest to the safety of this; however, I have recharged Energizer Ultimate Lithium (~$2.50/cell) AA and AAA with a MW9798 charger. The open circuit voltage of the cell will increase after each charge, up to approximately 2V after several charges. The short circuit current of the AAA is > 5A after the first recharging, however the capacity of the battery diminishes after only a few charges. I have never experienced leakage, and no rupture after repeatedly recharging many of these cells (<100).

The cell typically fails after 2 or 3 deep cycles with a high terminal voltage and high internal resistance (no current delivery).

It seems that I have had the best luck with these cells when I recharge before the cell is completely depleted, but I have kept no records. In any case, this process has at least doubled the useful life of these already long life cells

A word of warning here; the increased terminal voltage after recharge may damage some equipment. I had a cheap 532nm <10mw laser pointer fail after using recharged cells; but these are notorious for short life in any case.

I have not tried this with the Energizer E² brand.

go and buy some NIMH batteries, they usually come a with a charger

i have a charger and i got these with a camera thati bought at a sale

they usually use non-rechargeable lithium batteries in high-tech things that need a lot of power