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Li-Ion 18650 Battery: 7.3V 5.7Ah (41.61Wh, 5A rate, 2x2L, INR18650-29E)

Your Price: $55.83
In Stock

Product ID # 4291
Part Number:

Lead Time: 5 Business Days

Quantity Discounts

5 to 20$54.15
21 to 50$53.03
51 to 100$51.92
101 or more$50.24
Update on 8/11/2021
  • Previous component cell discontinued, updated to INR18650-29E cell.

*Important Shipping Regulation

This pack is for testing (prototype) only. It has not been UN38.3 tested yet.  Read more...


  • 7.3V 5700mAh Li-Ion rechargeable battery made of 4pcs Samsung INR18650-29E 2850mAh Cells
  • Packed by White PVC shrink.
Voltage Nominal: 7.3V; Maximum Charge Voltage: 8.4V; Discharge Cut off: 5V
Capacity 5700mAh
Protection 1x PCB (5A limited) for full protection
1x 5Amp polyswitch
Prewire 6" 22 AWG open end wire

Max. Charge Current


Max. Discharge Current



5.2" (132mm)L x  1.45" (37mm) W x (0.8" 21mm) H  ( refer to picture )



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  • Lithium battery may be exploded if not using properly. Please refer above specification. We are not responsible for any damages or losses caused by misusing, which include but not limit to:  over charge, over discharge, over current, any changes of this battery pack, disassemble battery pack) .
  • Always charge battery with attention.  Battery pack shall be placed in a fire-proof container during charge to avoid any accident
  • Please check battery polarity before connect battery with device. Never make wrong polarity connection.
  • For safety warning please see the link here
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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