- 2500 m.A.h Ni.M H High Capacity precharged rechargeable battery- Recharge up to 500 times and Maintain 85 percent  of their charge up to 1 year when not in use . - No memory effect the batteries can be recharged when fully, or partially discharged .- Work in extreme temperatures down to 4 Degree F- Batteries utilize Panasonic’s advanced rechargeable technology which delivers increased power capacity for high power consumption devices. - These battery cells are ideal for products like Digital Camera D SLR, flash units, remote control toys, and tactical flashlights.