Test/review of Varta D 3000mAh 56720 (Green-silver)

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HKJ
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Test/review of Varta D 3000mAh 56720 (Green-silver)

Varta D 3000mAh 56720 (Green-silver)
DSC_6723
Official specifications:


  • Nominal voltage: 1.2V
  • Rated capacity: 3000mAh
  • Internal resistance DC, fully charged: 40mOhm
  • Internal resistance AC 1kHz, fully charged: 30mOhm
  • Max continuous discharge current: 6A
  • Weight: 73g
  • Standard charge: 300mA for 16h
  • Fast charge: 3000mA -dv
  • Temperature (Permissible): Storage: -20°C ~ 40°C, Charge: 0°C ~ 45°C, Fast charge: 0°C ~ 40°C, Discharge: 0°C ~ 50°C
  • Temperature (Recommended): Storage: -20°C ~ 25°C, Charge: 15°C ~ 30°C, Fast charge: 15°C ~ 30°C, Discharge: 0°C ~ 40°C

Varta%20D%203000mAh%2056720%20(Green-silver)-info
Maximum temperature raise at different discharge currents: 1A:+0,1°C, 2A:+0,5°C, 3A:+0,9°C, 5A:+2,1°C, 7A:+3,0°C, 10A:+3,6°C, 15A:+5,0°C
Low capacity D cells from Varta.
DSC_6705 DSC_6706
DSC_6724 DSC_6725
DSC_6726
DSC_6727
DSC_6728
Varta%20D%203000mAh%2056720%20(Green-silver)-Capacity
The two cells matches fine and can deliver the rated capacity. At high current they are considerable better than AA cells.
Varta%20D%203000mAh%2056720%20(Green-silver)-CapacityTime
Varta%20D%203000mAh%2056720%20(Green-silver)-CapacityTimeHours
Varta%20D%203000mAh%2056720%20(Green-silver)-Energy
Varta%20D%203000mAh%2056720%20(Green-silver)-PowerLoadTime
Varta%20D%203000mAh%2056720%20(Green-silver)-CurrentTest
Varta%20D%203000mAh%2056720%20(Green-silver)-Charge
Conclusion
The cells live up to their rating, capacity is not much above AA cells, but high current handling is much better.
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/