Vbatty IMR18650 3000mAh V30 (Blue-gold)
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Official specifications:
- Brand: Vbatty
- Size: 18650
- Chemistry: IMR
- Nominal Capacity: 3000mAh
- Nominal Voltage: 3.7V
- Discharge: 30A Continuous, Rated 40A Max Pulse by Vbatty
- Positive: Flat
- Rechargeable: Yes
- Dimensions: 18.23mm x 65.02mm
- Weight: 46g
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This is a high capacity and high current battery.
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The discharge curves has good tracking and capacity only drops slowly with load. The battery has trouble at 30A due to heat.
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The battery will get warm at high current.
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At 20A it was very close to a termination due to temperature.
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At 30A I had to stop due to temperature. The battery reached 86°C after I terminated.
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Conclusion
This battery has very good performance for both capacity and current.
Notes and links
The batteries was supplied by Shenzhen Vbatty for review.
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
Compare to 18650 and other batteries