About Payment 
 Shipping & Cost
 Battery SDS
 Battery Terminology
 Battery Knowledge
Privacy Policy
 Export restrictions


Shopper Award
Security Verified Seal

Custom Polymer Li-Ion Battery: 25.9V 4Ah (103.6 Wh, 10A rate) with Fuel Gauge (8.4)

Your Price: $208.00
In Stock

Product ID # 5382
Part Number:

Lead Time: 5 Business Days

*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)
  •      4000 mAh (103.6wh)
  • 1 x PCM(10A limited)is installed in the battery pack to balance charging and protect battery module from
  • Over charge (>29.6V)
  • Over discharge (<16.1V)
  • Over drain ( > 10 Amp)
  • Short circuits
  • Note: please wait 30 minutes after pack is fully charged before using so PCM can perform balance function.
  • 1 x 7 Amp polyswitch installed to limit  max. discharging current and to protect wrong polarity
  • 6" 18 AWG  open end wire 
    • Red = Positive
    • Black = Negative
Max. Discharging Rate      7 Amp limited by polyswitch 
Dimensions (LxWxH)      5.71" (145mm) x  4.1" (104mm) x  1.2" (30mm) 
Weight       1.0 lb 9.2 Oz (720 grams)
 Smart Tips
  • You may use  3.0A Smart Li-ion battery charger to fast charge the pack with 2.0 hrs charge time.
    • Must plug the charger and the connector adaptor to battery pack with correct polarity.
    • Batteryspace.com will not be responsible for any damage caused by misuse
  • We are not responsible for any damages or losses caused by misusing (included but not limited to: misuse, any changes of this battery pack,mis assembling batterypack)
  • Please never discharge the battery pack beyon its Max. rating

Related Products

Product Reviews

(0 Ratings, 0 Reviews)
What to consider when designing Lithium Batteries?
Bluetooth Technology for Lithium-ion/LiFePO4 Batteries
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.
Lithium Battery Shipping Regulation
Recommendations on How to get ≤30% Rated Capacity for Shipping
Thermal Abuse Test for IEC62133
Mailing Lists