RB48V300 Relion Lithium LiFePO4 48V 300Ah Battery (Steel Case)

£11,919.96 Inc VAT

Guaranteed next working day delivery on orders before 1pm

This battery MUST be charged with an appropriate Lithium charger to prevent damaging the battery!

This product is a special order and lead-time is approximately 16 weeks from order.


Take advantage of the latest in battery technology.

This RELiON RB48V300 Lithium-ion phosphate battery is perfect in many applications, including Marine, Electric Vehicles. It maintains consistent power and is equipped with an LINYI Connector terminal type and built in overcharge protection. It is much lighter and far more practical than lead-acid batteries and are extremely reliable with up to 10 times longer life span than lead-acid equivalents.

Lithium batteries can cycle up to 5000 times at 80% depth of discharge and produce no emissions making them environmentally friendly and very safe due to a built in battery management system (BMS) and an Anti-inflammatory coating.

All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free.


  • Marine
  • Electric Vehicles
  • Solar
  • Renewable Systems

Relion RB48V300 DatasheetRelion RB48V300 Datasheet

Additional information

Weight 176 kg



48 Volt

Ah Capacity

300 Ah


740 mm


497 mm

Height (inc. Terminals)

398 mm


3 Years


The Go Batteries Promise

  • Next working day delivery on UK orders *
  • Minimum 12 month guarantee
  • Free telephone support
  • * Guaranteed next working day delivery on orders placed before 1pm. For International and non-standard UK deliveries, please email: sales@gobatteries.co.uk or call +44 (0)1926 400080 for delivery options and advice. We`ll always do our best to get orders to you as fast as possible.

NOTE: Delivery costs are calculated based on post code and shown at the checkout stage From £7.99 – Nationwide Delivery (Terms) * For Highlands and Islands and non-standard UK delivery, please call us on +44 (0)1926 400080 for delivery options and advice. We’ll always do our best to get orders to you as fast as possible

Free disposable gloves with all orders