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High Power Polymer Li-Ion Battery: 25.9V 8Ah (6050140-10C, 207Wh, 30A Rate) + Fire Retardant Bag

Your Price: $394.99
In Stock

Product ID # 4057
Part Number:

Lead Time: 5 Business Days

Quantity Discounts

5 to 20$383.14
21 to 50$375.24
51 to 100$367.34
101 or more$355.49


*Important Shipping Regulation       This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
  • High Power Polymer Li-Ion  Module:  25.9V  8Ah (207 Wh, 7S2P)  30 Amp Rate 
  • Included 1x Fire Retardant Bag: 295mmx230mmx75mm --- Reduce the chance of damage if caught fire
    • This Fire Retardant Bag (Li-Ion Safer Bag) is intended to reduce the chance of damage in the event of catching fire.
    • Must locate & seal the battery pack in the bag  while charging / leaving without any attention 
Voltage       25.9 v (working)   29.4 V ( peak)   17.5V ( cut-off)
Capacity       8Ah   ( 207 wh)       Energy Density:  140 wh/kg
  • 1x PCM (30A limit)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 30A
    • 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.
Max. Discharging Rate     30 Amp limited by PCM
Dimensions(LxWxH)     150mm( 5.9") x 99mm(3.9") x 80mm(3.2")   
Weight     3.25lb (1474 grams)


  • Replace two 12V 7.5Ah Lead acid battery for electric scooter and skateboard with 5 times less weight
  • Replace 24V NiMH battery pack for e-bike with two time higher energy density
  • Replace two 7.5Ah Lead acid battery for e-bike with 5 times high energy density
  • If you connect two of these modules in parallel, you can build a 25.9V 16 Ah Battery pack with a 60 Amp discharge rate with suitable wiring.
  • Please click here to see the Comparison Poly-Li pack vs NiMH / SLA to know more the advantages


  • Please plug the charger to the battery pack with correct polarity.
  • Warning:  Wrong polarity will damage the charger, and Batteryspace is not responsible for the damage or losses caused by misuse
  • Please never discharge the battery pack beyond its Max. rating
  • 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
  • Please allow 2-3 weeks to deliver the battery pack after receipt payment because it needs to be tested before shipping
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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