Manufacturer Info
This high performance 12V 300Ah lithium iron phosphate battery is ready to replace your heavy lead-acid battery. The RB300-HP is part of the RELiON HP Series (High Peak Performance) of batteries and is a safer, more lightweight alternative to lead-acid in your different marine applications. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS). The RB300-HP battery meets UL, CE and IEC certifications.
All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free.
Product Specifications
All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free.
Product Specifications
- Voltage: 12.8V
- Amp Hours: 300Ah
- Product Specifications | Download
- Length: 20.5 in (520 mm)
- Width: 10.5 in (267 mm)
- Height: 9 in (228 mm)
- Weight: 82.7 lbs (37.5 kg
- Marine
Product Reviews
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.8
Out of 5.0

Overall Rating
96%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
April 4, 2025 by victor N. (hawaii, United States)
“price was a little high but let's not talk about shipping”
April 3, 2025 by Samuel M. (United States)
“Good prices and fast shipping”
April 3, 2025 by nadeem F. (Canada)
“Quick”
April 2, 2025 by Cliff D. (United States)
“Quick and easy to shop”
March 31, 2025 by Lee H. (United States)
“Fantastic Company”