Overlander 5200mAh 7.4V 2S2P Samsung 18650 Square Li-Ion Battery

The Overlander 5200mAh 7.4V 2S2P Samsung 18650 Square Li‑Ion Battery (OL-3621) combines dependable performance with a compact square form factor. Built from Samsung 18650 cells in a 2S2P configuration, it offers a nominal 7.4V and 5200mAh capacity with a stated 38.48Wh. The pack features a low self‑discharge rate and a long life expectancy with a high number of charge cycles, making it a solid choice where reliable, rechargeable lithium‑ion power is required.

This pack includes a JST‑XH balance connector for straightforward balancing and maintenance. Its measured dimensions and weight are provided below to assist with fitment planning.

Key Specifications

• Chemistry: Lithium Ion (Li‑Ion)
• Cell Size: 18650
• Configuration: 2S2P
• Nominal Voltage: 7.4V
• Capacity: 5200mAh (38.48Wh)
• Balance Connector Type: JST‑XH
• Pack Format: Square
• Dimensions (L x W x D): 72 x 38 x 38
• Weight: 196g