A powerful 21700 battery by Samsung.
- Size: 21700
- Capacity: 4000mAh
- Voltage: 3.6V
- Maximum Voltage: 4.2V
- Discharge Current: 30A Maximum Continuous
- Style: Flat Top
- Approximate Dimensions: 21.1mm x 70.4mm
- Approximate Weight: 66.8g
- 1x Samsung 21700 40T 4000mAh Battery
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- life batteries
Excellent, happy with the product and price and service and delivery
I use these in my Topside’s no complaints there a good cell.
Best long life batteries. I'm converted !!!