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


Shopper Award
Security Verified Seal

Custom Li-Ion 10440 Battery: 3.7V 350mAh (1.29Wh, 350mA)

Your Price: $10.78
Build to order

Product ID # 12932
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 Nominal: 3.7V
Capacity 350mAh
Charge current Maximum: 0.35A Max
Discharge current Maximum: 0.35A Max
Dimension (LxWxH) 45mm(L)X 13mm(W) +/-1mm
Weight 0.4oz (20g) 
Terminal 8" (200mm) 24AWG open end wire
  • Li-Ion Battery may explode if charge or discharge improperly. 
  • We are NOT responsible for any damage that is caused by the misuse of the Li-Ion Battery.
  • Always check the polarity before connect the battery pack to charger or your device
  • For safety warning please see the link here 
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings 

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