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


Shopper Award
Security Verified Seal

Polymer Li-Ion Cell: 3.7V 3650 mAh (5545135-2C, 13.50Wh, 7.3A) - UN38.3 Passed

Your Price: $16.75
In Stock

Product ID # 5339
Part Number:

Quantity Discounts

5 to 20$16.24
21 to 50$15.91
51 to 100$15.57
101 or more$15.07


Update Specification updated on 3/11/2020
Chemistry Polymer Li-Ion 3.7V 3650 mAh (5545135-2C) cell
Voltage Nominal: 3.7V; Maximum Charge: 4.2V; Discharge cut-off: 3.0V
Capacity  Nominal: 3650 mAh; Minimum: 3470mAh
Charge Current Standard: 0.2C/ 730mA
Maximum: 1C/3650mA
Discharge Current Standard: 0.2C/ 730mA
Maximum: 2C/7300mA
Dimension(LxWxH) with tolerance ±1 mm 136mm  x 45mm x 5.5mm
Weight 2.65 Oz (75 grams)
Suggestions on designing Lithium battery packs What to consider when designing Lithium Batteries

Please download the Specification here


  • Batteryspace.com is NOT liable for any mis-use due to any other brand of PCB applied 
  • Li-Ion Batteries may explode if charged or discharged improperly.
  • The end user must have the technical knowledge necessary to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs
  • You must use a protection IC  ( PCB) to keep the battery and its pack from over charging and over discharging.
  • Please read more safety warning about Li-ion battery
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Related Products

  • Please use our smart charger to charge your pack. (The voltage of the pack must match the voltage of the charger)
    • Charging time = (1.5 x Ah of the pack)/ Amp charging current
  • If you DIY by yourself, you MUST install our PCB or your own PCB with the following feature:
    • 4.2V/cell over-charge protection
    • 2.5V/cell over-discharge protection
    • Max current over-drain protection
    • Short circuit protection.  
  • Please check here for battery packs which are made by 5545135 cells
  • Fire Retardant Bag to reduce the chance of damage if caughting fire
  • You can find various connector here

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