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


Shopper Award
Security Verified Seal

Polymer Li-Ion Battery: 37V 21Ah (1055275-2C, 777 Wh. 30A rate)

Option 2: With Aluminium Box and Fuel Gauge
Your Price: From $780.00 to $830.00
Lead Time: 5 Business Days

Product Options

Fuel Gauge Option:
*Important Shipping Regulation This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...
Voltage       37 v (working)   42 V ( peak)  
Capacity       21 Ah   (777 wh)  
Cycle life       >300 
  • One PCM (30A limit) with balance function is installed in the battery pack to balance charging and protect battery module from
    • Over discharge beyond 42V
    • Over discharge below 25V
    • Over drained beyond 30A
    • 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.
Max. Discharging Rate     30 Amp Limited by PCM
Dimensions (LxWxH)

    11.0"(280mm) x 4.3"(110mm) x 3.0"(75mm)   

Weight (approx.)     4082gram  (9.0 Lb)    
Related Products
  • Please note this battery is for R&D use only and NOT for individual customer. We are not responsible for any damages or losses caused by misuse
  • Please never discharge the battery pack beyond its Max. rating
  • Must read before placing an order. Please download fill the form and fax back to 510-439-2808. Attn: BatteySpace-Tech.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings
User Manual
  • Option 1/ Option 2

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