XTAR AA 1.5V 4150mWh 2500mAh Li-ion rechargeable battery - Pack of 4 Need Charger?:Batteries only (Pack of 4) - No Charger required giving you peace of mind

giving you peace of mind

·         Storage Temperature: –20 °C to 50 °C (recommended: 25 ± 5 °C)

Battery Type: Rechargeable Li-ion (21700)

Note: NOT TO BE USED FOR VAPING DEVICES

Smart to its words it can detect battery capacity

XTAR AA 1.5V 4150mWh 2500mAh Li-ion rechargeable battery - Pack of 4 Need Charger?:Batteries only (Pack of 4) - No Charger required giving you peace of mindA high capacity rechargeable AA cell featuring a built in voltage regulator to maintain a constant 1. 5 V output throughout most of its discharge cycle, ensuring stable performance in devices sensitive to voltage drops. It delivers approximately 2500 mAh capacity (or 4150 mWh of energy) and charges fully in about 2. 9 hours via compatible XTAR chargers, with a smart LED indicator to show charging status. The cell includes an intelligent safety chip