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Custom Polymer Li-Ion Battery: 25.9V 20Ah (518Wh, 7A rate, 8790140-1C)

Your Price: $590.25
Available for order, non-stock item

Product ID # 13102
Part Number:

Lead Time: TBC


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage 25.9 v (working)   29.4 V ( peak)   17.5V ( cut-off)
Capacity 20000 mAh   (518wh)
  • 1 x PCM (10A limit) with balance function installed in the battery pack to balance charging and protect battery module from
    • Over-charge beyond 30.27V
    • Over-discharge below 17.5V
    • over-drained beyond 10A
    • Must wait min of 30 minutes after battery is fully charged to allow the pcm to perform balance function on all the cells within the pack.
Terminal   Charging /Discharging terminals: 6" 18AWG open end wire
Max. Discharging Rate 7Amp limited by Polyswitch
Dimensions(LxWxH) 145mm x 126mm x 98mm
Weight 3170 grams  ( 7Lb 2.4 oz )


  • Please plug the charger and the connector adapter with correct polarity.
  • Wrong polarity will damage the charger, and Batteryspace are not responsible for the damage or losses caused by misuse
  • Please note this battery is for R&D use only and NOT for individual customers. We are not responsible for any damages or losses caused by using battery packs.
  • Please never discharge the battery pack beyond its Max. rating
  • Must read before placing an order. We reserve right to not sell the battery to anyone if we feel they cannot handle Li-Ion battery safely
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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