![2*21700 5000mAh Flat-Top and Button-Top Batteries](http://img.staticdj.com/896fb02c5dc15ff9832de567e5a5b01c_750x.jpg)
![2*21700 5000mAh Flat-Top and Button-Top Batteries](http://img.staticdj.com/1d0eede9611b6c8837fc38c997c4e9c9_{width}x.jpg)
![2*21700 5000mAh Flat-Top and Button-Top Batteries](http://img.staticdj.com/17753106bdb644e3ef0b6b9fc16b3714_{width}x.jpg)
![2*21700 5000mAh Flat-Top and Button-Top Batteries](http://img.staticdj.com/896fb02c5dc15ff9832de567e5a5b01c_{width}x.jpg)
![2*21700 5000mAh Flat-Top and Button-Top Batteries](http://img.staticdj.com/76b2d639fe93451912e86d2aa49d9d8d_{width}x.jpg)
Only 21700 Button-Top Batteries suitable for Q8Plus.
Here are two reviewa on 21700 5000mah batteries, link is:
https://budgetlightforum.com/node/76779 or https://budgetlightforum.com/node/76591
Specifications
Battery type: 21700
Battery Capacity: 5000mAh(Standard), 4900mAh(minimun)
Battery Voltage:3.6V
MAX Discharge Current: 10A (but it can handle max 15A)
Data below is from a test review on BLF. CLICK ME to check details.
Diameter: 21,7mm ± 0,2mm
Length: 70,9mm ± 0,2mm
Weight: 72g ± 4g
Nominal capacity: 5000mAh at 0.2C discharge current
Minimum voltage: 2.50V
Maximum voltage: 4.20V ± 0.03V
Standard charge current: 0.2C (1000mA)
Maximum charge current: 0.7C (3500mA)
Maximum discharge current: 2C (10000mA)
Initial internal impedance: ≤ 30mΩ