RB48V 300AH



A much larger RELiON LiFePO4 lithium battery, the RB48V 300AH battery works great for electric vehicles, boats, and larger solar systems. If you plan to spend time off-grid and you will be counting on a solar system for power, this is the battery for you.

The RELiON RB48V 300AH lithium battery offers consistent power with a LINYI Connector terminal and built-in overcharge protection. You’ll gain fast-charging capabilities from this maintenance-free lithium battery, along with installation flexibility.

When you invest in this RELiON deep cycle lithium battery you will gain a much longer lifespan compared to lead-acid batteries. It will still give you up to 80% of the rate capacity after 2,000 cycles. With the right care, this battery can last up to 10 years, while lead-acid batteries are lucky to survive three years.

Gain maximum versatility from the best lithium batteries on the market. Choosing the RELiON LiFePO4 batteries like the RB48V 300AH battery gives you a higher rate of charge and discharge. These batteries don’t need to be charged in stages like lead-acid batteries. 

RELiON lithium batteries also offer a safer option. They won’t go through the same temperature fluctuations as lead-acid batteries do. Even compared to other lithium batteries, the RELiON RB48V 300AH battery offers a much safer option.

Use the RB48V 300AH lithium battery for all your marine needs. It’s compatible with all brands including Bertram, Sea Ray, Honda, Yamaha, and MasterCraft. No matter the type of boat you have, if it requires a large battery, this RELiON LiFePO4 lithium battery is a top choice.

RELiON batteries also work with electric vehicles. When you need consistent and reliable power, the RB48V 300AH battery offers a better choice. While it’s a very large and heavy battery, compared to lead-acid batteries, it’s lighter in weight and provides more power for the size.

You can even use the RELiON RB48V 300AH lithium battery for a larger solar system. It’s compatible with all brands including SunPower, Panasonic, JinkoSolar, and Q CELLS. 

No matter the application, the RELiON LiFePO4 RB48V 300AH battery offers a more reliable option and more consistent power.

Product Specifications
  • Voltage: 51.2V
  • Amp Hours: 300Ah
Dimensions & Weight
  • Length: 29.1 in (740 mm)
  • Width: 19.6 in (497 mm)
  • Height: 15.7 in (398 mm)
  • Weight: 388 lbs (176 kg)
  • Electric Vehicles
  • Marine
  • Solar

Additional information

Weight 176 lbs
Dimensions 74 × 49.7 × 39.8 in
Charging Relion Battery Charging Instructions
Brand Relion


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