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The authentic Advken 21700 Battery, featuring a diameter of 21mm and a length of 70mm, has a 4000mAh large battery capacity with 20A max continuous discharging current. Long storage life, light weight and high energy density.
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Data sheet
| Brand | ADVKEN |
| Color | Black + blue |
| Product Type | Battery Cells |
| Material | Li-Ion |
| Package | 1 x 21700 Battery |
| Weight | 70g (2.47oz) |
| Depth | 21mm (0.83 inch) |
| Height | 70mm (2.76 inch) |
| Width | 21mm (0.83 inch) |
| Shipping Type | Battery |
More info
Size: 21 x 21 x 70mm;
Model: 21700;
Capacity: 4000mAh;
Voltage: 3.7V;
Max discharge current: 20A;
Limited charge voltage: 4.23V;
Standard charge current: 2000mA;
Max continuous charge current: 20000mA;
End Charge Current: 40mA
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If you find a product to be authentic, then it is not a clone. Authentic Advken 21700 4000mAh 3.7V 20A Flat Top Rechargable Battery - Black + Blue, review, price, shipping
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