Test/Review of Vapex instant AA 2500mAh (Silver-green)

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HKJ
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Test/Review of Vapex instant AA 2500mAh (Silver-green)

Vapex instant AA 2500mAh (Silver-green)
DSC_1826
Official specifications:


  • Capacity Nominal: 2500mAh (about the same as a good non-rechargeable)
  • Capacity Rated: 2300mAh
  • Weight: 27g
  • 6 months: About 80% of charge is held
  • 12 months: About 70% of charge is held (normal nimh would be empty)

Vapex%20instant%20AA%202500mAh%20(Silver-green)-info
Maximum temperature raise at different discharge currents: 1A:+1,4°C, 2A:+3,6°C, 3A:+6,2°C, 5A:+12,5°C, 7A:+18,4°C, 10A:+18,8°C,
I got these battereis from Ebay. Their capacity is slightly lower than rated, but not much.
DSC_1823 DSC_1824
DSC_1827 DSC_1828
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Vapex%20instant%20AA%202500mAh%20(Silver-green)-Capacity
The discharge curves looks fairly decent, expect they cannot do 10A
Vapex%20instant%20AA%202500mAh%20(Silver-green)-CapacityTime
Vapex%20instant%20AA%202500mAh%20(Silver-green)-CapacityTimeHours
Vapex%20instant%20AA%202500mAh%20(Silver-green)-Energy
Vapex%20instant%20AA%202500mAh%20(Silver-green)-PowerLoadTime
Vapex%20instant%20AA%202500mAh%20(Silver-green)-CurrentTest
Vapex%20instant%20AA%202500mAh%20(Silver-green)-Charge
Conclusion
The cells are not top performers, but they are fairly good.
Notes and links
How is the test done and how to read the charts
Compare to other AA/AAA batteries: Alkaline/NiMH/Lithium

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

Edited by: HKJ on 02/20/2016 - 14:46