Flash AA 4600mAh (Yellow-blue)
What do you get when you buy batteries rated at twice the normal capacity for NiMH?
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Official specifications:
- Type: High Capacity 4600mAH
- Estimated recharge times: Up to 1000 times, expiry dated 2018
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Maximum temperature raise at different discharge currents: 1A:+1,7°C, 2A:+4,0°C, 3A:+6,5°C, 5A:+11,5°C, 10A:+13,2°C
Capacity is less than 1/3 the rated capacity, I will not call it a surprise.
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The curves do match fairly well, but the batteries has low capacity and the voltage is lower than eneloops.
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Conclusion
If the batteries had been marked 1300mAh, they would have been good low capacity NiMH batteries.
To answer the question from the top: You get cheated.
Notes and links
How is the test done and how to read the charts
Compare to other AA/AAA batteries: Alkaline/NiMH/Lithium