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


Shopper Award
Security Verified Seal

LiFePO4 Battery: Custom 25.6V 9.9Ah (253Wh, 40A rate, 26650-3300)

Your Price: $368.50
Available for order, non-stock item

Product ID # 12828
Part Number:

Lead Time: TBC (min. 5 business days)


*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Battery LFP Battery: 25.6V 9.9Ah (253Wh, 40A rate ) with PCM
Heavy duty shrink wrap
Voltage 25.6 V (working) 29.3 V (peak) 20V ( cut-off)
Capacity 9.9Ah
Cycle life > 1000 cycles (80% of initial capacity @ 0.2C rate, IEC Standard)
  • One PCM (60A limited) installed with the battery pack and protects the battery from
    • Overcharge / Over discharge / Over drain / Short circuits
    • 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.
  • Charge and Discharge terminal: 6" long 12 AWG open end wire 
Charging rate 10 A Max
Max. Discharge Rate 40 Amp limited by application
Dimensions(LxWxH) 212mm x 83mm x 100mm
Weight 2260grams (4 Lb 15 oz)


  • E-Bike for replacing 24V Lead acid, 24V NiMH battery
  • 25.9V10Ah Li-Ion battery with longer cycle life with lower cost


  • 25.6V LiFePO4 battery pack shall be cut-off at 28.8V during charging and 20.0V during discharging 
  • Must charge the pack via only charging terminal.
  • Please click Knowledge on LiFePO4 battery to learn more details
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

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