Panasonic BK-4HCCA4BA eneloop Pro AAA New High Capacity Ni-MH Pre-Charged Rechargeable Batteries, 4 Pack $11.37 + FS w/Prime @ Amazon
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950mAh typical, 900 mAh minimum
Recharge up to 500 times
Maintain 85% of their charge up to 1 year (when not in use)
No memory effect - batteries can be recharged when fully, or partially discharged
Work in extreme temperatures down to -4 Degree F
