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


Shopper Award
Security Verified Seal

Custom LiFePO4 A123 26650 Battery Pack: 13.2V 2500mAh (33Wh, 4A Rate, 4E/E) Rechargeable Battery

Your Price: $76.50
Available for order, non-stock item

Product ID # 10952
Part Number:

Lead Time: TBC / Hazmat handling fee required*


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage 13.2V (Nominal),    14.6 V (peak)  10 V ( cut-off)
Capacity 2500Ah (33Wh)
Cycle life > 1000 cycles (80% of initial capacity @ 0.2C rate, IEC Standard)
Terminals Soldering pad on PCB
Charging rate
  • Standard Charging: 2.5A
  • Maximum Charging: 4A (limited by PCB)
Discharging rate
  • Maximum Continuous Discharging :4A (limited by PCB)
Dimensions(Dia. x L) 27mm (1.06") x 265mm (10.5")
Weight 13 oz (368 g)


  • This battery pack do not have protection circuit board. Please make sure your device has charging & discharge control,  which should compliance with cell's specification.
  • Please click Knowledge on LiFePO4 battery to learn more details
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

You may use our  LiFePO4 12.8V 1.5A smart charger, the charging time is around 2 hrs

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