2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries
2*21700 5000mAh Flat-Top and Button-Top Batteries

2*21700 5000mAh Flat-Top and Button-Top Batteries

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$22.99
$18.99
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Returnable within 30 days
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Only 21700 Button-Top Batteries suitable for Q8Plus.

This small flashlight is only for transporting batteries!!!

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

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The review would not show in product details on storefront since it does not support to.