AZAOSTE 21700 3750mA 40A 3.7v Flat Top Rechargeable Battery Specifications: 1. Manufactured By: AZAOSTE 2. Battery Type: Lithium Ion Manganese Oxide 3. Size: 21700 4. Battery Capacity:3750 mAh 5. Battery Structure: Flat Top 6. Maximum Continuous Discharge Current: 40A 7. Nominal Voltage: 3.7V 8. Voltage at end of Discharge: 2.75V 9. Full Charge Voltage: 4.2V 10. Length: 2.76 inches (70 mm) 11. Diameter: 0.79 inches (21 mm) To ensure your safety and maintain the battery life and durability, we recommend you follow these rules: 1. Do not over-discharge or overcharge the battery. Doing so will shorten the battery life and sometimes, it can make it pop or leak. 2. Please do not short circuit or it will release massive current. 3. Do not play with fire! Do not dispose any kind of battery in or near any fire. 4. Do not stack more than one battery as it may potentially blowout and cause serious damage to yourself and the things around you. Notes: We do not recommend stacking more than one battery in your device because it may potentially blowout and cause serious harm.
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