These AA rechargeable lithium-metal batteries deliver 950 mAh compared to 800 mAh for standard versions. The TLR 7104 Super In Charge batteries offer energy densities 100% greater than NiCds and 50% greater than lithium-ion equivalents. The TLR 7104 cells offer 1% to 2% per month lower self-discharge compared with other battery types, and do not exhibit memory charging effects. Operating temperature range is -30°C to 55°C.