Your Cart: £0.00

Spend £100.00 more for free shipping!

View Cart and Checkout
Overlander 4000mAh 14.8V 4S2P 18650 Li-Ion Battery

Overlander 4000mAh 14.8V 4S2P 18650 Li-Ion Battery

Brand: Overlander

Part No: OL-3618

£33.24 RRP £34.99

Shadow Stock: Usually ships within 4-5 days

Collect Instore

The Overlander 4000mAh 14.8V 4S2P 18650 Li-Ion Battery (OL-3618) delivers dependable lithium-ion power in a compact pack. Built from 18650 cells, it offers a low self-discharge rate and long service life with a high number of charge cycles. A JST-XH balance connector is provided for balanced charging and cell management, while the 59.2Wh rating highlights the energy on tap.

Designed in Configuration 25 with a 4S nominal voltage of 14.8V, this Overlander Batteries pack is well suited to applications where consistent output and reliability matter. Its practical form factor makes installation straightforward, and the Li-Ion chemistry supports efficient, repeatable performance over time.

Key Specifications

  • Part Number: OL-3618 (SKU 3618)
  • Chemistry: Lithium Ion (Li-Ion)
  • Cell Size: 18650
  • Capacity: 4000mAh
  • Watt Hours: 59.2
  • Voltage: 14.8V (4S)
  • Configuration: 25
  • Balance Connector Type: JST-XH
  • Length: 72
  • Width: 74
  • Depth: 37
  • Weight: 388
  • Brand: Overlander Batteries
These 4000mAh 14.8V 4S 18650 rechargeable lithium-ion (Li-Ion) batteries in Config 25 have a low self-discharge rate and long life expectancy with a high number of charge cycles.

Overlander 4000mAh 14.8V 4S2P 18650 Li-Ion Battery Specification:
  • SKU: 3618
  • Chemistry: Lithium Ion (Li-Ion)
  • Cell Size: 18650
  • Capacity: 4000mAh
  • Capacity (mAh): 4000.0000
  • Watt Hours: 59.2
  • Configuration: 25
  • Balance Connector Type: JST-XH
  • Brand: Overlander Batteries
  • Length: 72
  • Width: 74
  • Depth: 37
  • Weight: 388



Key Info:
  • Brand: Overlander
  • Part No: OL-3618
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

Reviews
No specific product reviews yet, why not write one?
WRITE A REVIEW
All reviews are subject to moderation
No questions yet, why not ask one?
ASK A QUESTION
Get early access to deals and new arrivals.
Use this form to ask us a quick one sentence question about this specific product. Do not enter anything you would not like displayed on our site.

For more in depth queries, please contact us.