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High Power Polymer Li-Ion Battery: 18.5v 6.4Ah (118.4 Wh) 20 Amp Rate (9.6)

Your Price: $294.95
In Stock

Product ID # 4033
Part Number:

Lead Time: 5 Business Days

Quantity Discounts

5 to 20$286.10
21 to 50$280.20
51 to 100$274.30
101 or more$265.45


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
 Voltage       18.5v (working)   21.75 V ( peak)
 Capacity       64000 mAh   ( 118.4 wh)
  • Charging terminal: 6" 21 AWG with two hole universal connector.
  • Discharging terminal: 6" 12 AWG open end wire
    • No protection on the discharging terminal. Please stop using battery when its voltage drops below 13V.
  • 1x PCM (20A limit) installed to charging terminal to balance charging and protect battery module from
    • Overcharged beyond 21.75V
    • Overdischarged below 11.5V
    • Drain current > 20 Amp
    • 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       20 Amp limited by PCM
Dimensions       169mm(6.6") x 50mm(2.0") x 62mm(2.4")   
Weight       935 grams (33Oz) 


  • to drive a 18.5V DC motor with our DC-DC regulator upto 20A
  • If you connect two of these modules in parallel, you can build a 18.5V 12.8 Ah Battery pack with a 40 Amp discharge rate.
  • RC Robot


  • 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 the battery pack
  • Please never discharge the battery pack beyond its Max. rating
  • Must read  here before place an order. Please download fill the form and fax back to 510-439-2808. Attn: BatteySpace-Tech.  We reserve right not to 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 need to be tested before shipping
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

  • Please choose our 1.5A  Smart Li-Ion battert charger to recharge this battery pack.  The estimated charging time is 6.4hours
  • Need Standard Anderson connector with 8" long 12 AWG wire? Please click here to buy seperately.
  • 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

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