21700 size battery;
Type: Li-Ni (High Drain);
Rated capacity: 3750mAh;
Min capacity: 3700mAh;
Voltage: 3.7V;
Peak Voltage: 4.2V;
Cut-off Voltage: 2.5V;
Rechargeable: Yes;
Max continuous discharging current: 40A;
Max charge voltage: 4.23V;
Style: flat top;
Monthly self-discharge rate: less or equal 0.5%;
Temperature range: Discharge: -20~60'C; Charge: 0~45'C;

IMPORTANT:
Fully charge before first use;
Never short (connect positive and negative size) battery;
Keep them always in battery case, or any other insulating material;
Never keep this battery together with metal objects (short circuit can happen if you do);
Never carry bare cell in your pocket with keys, change or any other metal objects.

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