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Power Polymer Li-Ion Battery: 18.5V 10 Ah (185 Wh, 20 Amp Rate, 9759156-5C)

Your Price: $389.50
In Stock

Product ID # 3328
Part Number:

Lead Time: 5 Business Days

Quantity Discounts

5 to 20$377.81
21 to 50$370.02
51 to 100$362.23
101 or more$350.55


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage       18.5 v (working)   21.75 V ( peak)
Capacity       10Ah   ( 185 wh)
  • 1x PCM (20A limit) installed to both terminals 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(LxWxH)       6.5" (165mm) x 2.56" (65mm) x 2.56" (65mm)
Weight       1050 grams ( 2.0 lbs 4.8 Oz) 


  • Lithium battery may be exploded if not using properly. Please refer above specification. We are not responsible for any damages or losses caused by misusing, which include but not limit to:  over charge, over discharge, over current, any changes of this battery pack, disassemble battery pack) .
  • Always charge battery with attention.  Battery pack shall be placed in a fire-proof container during charge to avoid any accident
  • Please check battery polarity before connect battery with device. Never make wrong polarity connection.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

  • Please choose our 18.5V 3A Li-Ion charger to recharge this pack.
    • The estimate charge time is about 5 hrs.
  • Need 8" 12 AWG wire with Standard Anderson connector? 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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Product Reviews

(1 Rating, 1 Review) Average Rating:
Review of Lipo as replacement for NiMh in Roo El (wneilson
wneilson (Unknown) 7/18/2007 1:05 PM
7/18/2007 I have found that the LiPo gives about the same range on the Roo El as the NiMh, namely 15 to 20 miles with the motor always on (ie road speed between 2 mph and 15 mph, and pedals always turning), and up to 30 miles range with the motor only on intermittently eg acceleration at junctions and for gradients.With the LiPo having a nominal voltage of 18.5 volts and the NiMh 16.8 volts there is small degree of over voltage which has quite a noticeable effect on speed and acceleration when the battery is fully charged. I would recommend the LiPo for the weight saving alone as 1 kilogram less with the Lipo makes quite a difference to the weight of an originally 18 kilogram bicycle
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UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
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Recommendations on How to get ≤30% Rated Capacity for Shipping
Thermal Abuse Test for IEC62133
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