Test/review of Sanyo UR18650SA 1200mAh (Red)

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HKJ
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Test/review of Sanyo UR18650SA 1200mAh (Red)

Sanyo UR18650SA 1200mAh (Red)
DSC_3126
Official specifications:


  • Nominal capacity: min. 1200mAh
  • Nominal voltage: 3.7V
  • Charging method: CC/CV
  • Charging current: std. 840mA
  • Discharge current: 10A
  • End of discharge: 2.5V
  • Ambient temperature: Charge: 0°C ~ 40°C, Discharge: -20 ~ 60°C, Storage: -20°C ~ 50°C

Sanyo%20UR18650SA%201200mAh%20(Red)-info
A old fairly high current cell with low capacity (Datasheet is marked 2008).
DSC_3125
DSC_3127 DSC_3128
DSC_3129
DSC_3130
Sanyo%20UR18650SA%201200mAh%20(Red)-Capacity
The discharge charts looks good, capacity is constant at any current and the two cells matches.
Sanyo%20UR18650SA%201200mAh%20(Red)-Temp-15.0
Sanyo%20UR18650SA%201200mAh%20(Red)-CapacityTimeHours
Sanyo%20UR18650SA%201200mAh%20(Red)-CapacityTime
Sanyo%20UR18650SA%201200mAh%20(Red)-Energy
Sanyo%20UR18650SA%201200mAh%20(Red)-PowerLoadTime
Sanyo%20UR18650SA%201200mAh%20(Red)-TripCurrent
Sanyo%20UR18650SA%201200mAh%20(Red)-Charge
Conclusion
This is an older high current cell for tools, the last 10 years has improved cells significantly.
Notes and links
Vapcell told me that I was missing some cells in my comparator and they would be happy to supply them.
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

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