Description
Overview
The Renogy Core 300Ah is a self-heating 12V lithium battery built for all-weather living.
Renogy’s examples: 4 batteries in parallel can power essential RV appliances for up to 5.5 days, 4 in series can run a cabin, including air conditioning and fridges, for up to 4.5 days, and 16 in 4P4S can power a fishing boat for up to 5 days.
Who it’s for
- Full-time RVers and weekend travelers.
- Off-grid cabins.
- Fishing boats with heavy onboard loads.
Key benefits
- Self-heating: for charging in cold weather.
- High capacity: 300Ah in one 12V battery.
- Scales up: parallel, series, or 4P4S with 16 batteries.
Specifications
| Voltage | 12V |
|---|---|
| Capacity | 300Ah |
| Chemistry | LiFePO4 |
| Heating | Self-heating |
| Options | 1 or 2 batteries |
| Installation clearance | Leave 1.97 to 3.94 in (5 to 10 cm) above the battery and at least 7.87 in (20 cm) on the busbar side. |
| Weight (each) | 69 lb (manufacturer figure) |
FAQ
Can I add it to my existing Renogy 300Ah battery?
Check the generation first: Renogy notes Generation 2 is not compatible with Generation 1. Contact us if you’re unsure which you have.
How long can it power a cabin?
Renogy’s example: 4 batteries in series can run a cabin, including AC and fridges, for up to 4.5 days.
Warranty
Manufacturer’s warranty: 5 years, prorated. Prorated: replacements in the first 12 months are free; after that Renogy charges a share of the original price based on the time used. Source: Renogy limited warranty.
Defective on arrival or within 30 days? You can also return it to us under our Returns & Refunds Policy. See how warranty claims work.














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