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


Shopper Award
Security Verified Seal

Category : Li-Ion/Polymer Battery Packs

  • Li-Ion and Polymer batteries & packs may explode and cause fire if misused or defective. We require all Li-ion batteries & packs buyers to be professionals and to be capable of handling emergencies.
  • Please click here for more safety warning  before buying a Li-Ion battery pack.
  • All battery pack listed here is normal drain rate (1C or less). If you need high current battery pack, please see the link here
  • You must report your applications for the batteries, charging and discharging rates, or we will not ship the batteries out without this information. Please download and fill the form, then fax it to 510-439-2808. Attn: BatteySpace-Tech or email to tech@batteryspace.com
  • Never use Li-Ion battery pack without PCB (protection circuit board). For Li-Ion battery pack with cell more than 4 cells, shall use PCM with balance function to get longer service life.
  • If you can not find a suitable Li-Ion battery pack in our listing ,  please download Custom Battery Pack Form here to fill out, then send the form to us at tech@batteryspace.com
  • In order to provide you a quotation, we must know battery cell type, battery pack size, voltage and capacity etc.
  • Please understand the customized battery pack's cost is very sensitive to quantity. If you only need 1 or 2 battery pack,  we strongly suggest you to DIY one instead order from us
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