King Kong ICR26650 4200mAh (Gold)
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Official specifications:
- Flat Top
- Volt: 3.7v
- Capacity: 4200mAh
- Size:26mmx66mm.
- Charge current<=1A
- Weight 95 g
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This battery is a unprotected 26650 battery, it does surpass the capacity specification.
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The cells does not track perfectly, it looks like it is a resistance difference and not a capacity difference.
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These cells does easly deliver 15A
1-sep-2013 19:23
Conclusion
The capacity has been increased compared to the 4000mA (As expected), but not with 200mAh (The 4000mAh did also have more capacity than rated).
The cell has a good performance, but they have a slightly different voltage when loaded.
I will rate this battery as acceptable.
Notes and links
How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries