Test/Review of Tensai C TR-C4000 4000mAh (White)

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HKJ
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Test/Review of Tensai C TR-C4000 4000mAh (White)
Tensai C TR-C4000 4000mAh (White)
DSC_3600

Official specifications:
  • Model: TR-C4000
  • Manufacturer: TENSAI
  • Size: C , LR14
  • Chemistry: NiMH (Nickel Metal Hydride)
  • Nominal Voltage: 1.2V
  • Capacity: Minimum: 4000mA, Typical: 4050mA, When discharged at 0.2C to 1.0V at 20°C
  • Fast Charge: up to 2000mA
  • Service Life: >500 cycles
  • Internal Resistance: Diameter (mm): 26
  • Height (mm): 50
  • Weight: 80g

Tensai%20C%20TR-C4000%204000mAh%20(White)-info
Maximum temperature raise at different discharge currents: 1A:+0,7°C, 2A:+2,0°C, 3A:+3,6°C, 5A:+7,7°C, 7A:+12,3°C, 10A:+17,5°C

A C sized LSD cell, that has more than specified capacity.

DSC_3599

DSC_3601 DSC_3602

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Tensai%20C%20TR-C4000%204000mAh%20(White)-Capacity

The cells has a good capacity match all the way up to 10A, but they are pressed at 10A.

Tensai%20C%20TR-C4000%204000mAh%20(White)-CapacityTime

Tensai%20C%20TR-C4000%204000mAh%20(White)-CapacityTimeHours

Tensai%20C%20TR-C4000%204000mAh%20(White)-Energy

Tensai%20C%20TR-C4000%204000mAh%20(White)-PowerLoadTime

Tensai%20C%20TR-C4000%204000mAh%20(White)-CurrentTest

All the mess between 12A and 14A is my setup that hits its voltage/current limit.

Tensai%20C%20TR-C4000%204000mAh%20(White)-Charge



Conclusion

This looks like a good NiMH battery.



Notes and links

The batteries was supplied by ENERDan for review.

How is the test done and how to read the charts

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

sesgum
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Thank you HKJ for the nice review. Happy new year!