The Renogy Core 12V 300Ah Deep Cycle Lithium Iron Phosphate Battery with Self-Heating Function is a high-capacity 12V lithium battery built for RVs, vans, campers, cabins, emergency energy storage planning, and properly designed off-grid battery systems that need cold-weather charging support. This battery provides 300Ah rated capacity, 12V system-class compatibility, 12.8V nominal voltage, and a listed 200A maximum discharge current for properly designed electrical systems. Renogy equips this Core Series battery with self-heating support, low-temperature cut-off for charge and discharge, IP65 protection, and series, parallel, or series-parallel connection support. Its 20.55" x 9.45" x 8.62" size and approximately 69.0 lb listed weight make it a serious battery option for larger 12V storage builds where capacity and installation planning matter. Final charger settings, inverter sizing, cable gauge, fusing, battery matching, terminal access, series or parallel configuration, and clearance should be confirmed against current Renogy documentation.
The Renogy Core 12V 300Ah battery is designed for users who need more storage capacity than a 100Ah or 200Ah battery can provide in a single unit. Its 300Ah rated capacity supports properly planned RV, cabin, van, camper, and off-grid systems where battery-bank capacity, charging rate, and inverter load planning are important.
Renogy describes this self-heating Core battery as using 200W heating elements that activate around 32°F / 0°C when supported charging conditions are met. A stable charge current greater than 10A per battery is required to activate the self-heating function, so cold-weather operation should be planned around compatible charging equipment.
The battery is listed with a 200A maximum charge current and 200A maximum discharge current. Those ratings support higher-output 12V system planning when the battery is paired with correctly sized cables, fuses, busbars, chargers, and inverter equipment.
This Core Series battery supports series, parallel, and series-parallel connection planning. Renogy notes that Generation 2 is not compatible with Generation 1 for expansion, so matching the battery generation is important before building or expanding a multi-battery bank.
The Renogy Core 300Ah self-heating battery is built for users who need higher-capacity 12V lithium storage with cold-weather charging support. It is best used as part of a complete system with compatible charging equipment, inverter capacity, wiring, fusing, and battery monitoring.
Before installation, leave clearance above the battery and additional space near the busbar side as Renogy recommends. Confirm generation compatibility, cable routing, terminal access, charge-current requirements, and expansion limits before final setup.
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Contact Us for a Quote| Brand | Renogy |
| Series | Core Series |
| Model / SKU | RBT12300LFPSH-G2-US |
| Product Type | Deep cycle lithium iron phosphate battery with self-heating function |
| Battery Type | Lithium Iron Phosphate |
| Nominal Voltage | 12.8V |
| Rated Capacity | 300Ah at 0.5C, 25°C |
| Nominal Energy | 3840Wh calculated from 12.8V x 300Ah |
| Voltage Range | 10.0V to 14.4V |
| Charge Voltage | 14.4V |
| Maximum Charge Current | 200A |
| Maximum Discharge Current | 200A |
| Self-Heating Function | Triggered around 32°F / 0°C when a stable charge current greater than 10A per battery is available |
| Heating Element Rating | 200W heating elements |
| Cycle Life | 5000 cycles at 80% depth of discharge |
| Charge Temperature Range | -4°F to 131°F / -20°C to 55°C |
| Discharge Temperature Range | -4°F to 140°F / -20°C to 60°C |
| Storage Temperature Range | -13°F to 149°F / -25°C to 65°C |
| Operation Relative Humidity | 10% to 95% |
| Connection Method | Series, parallel, and series-parallel |
| Generation Compatibility | Generation 2 is not compatible with Generation 1 for expansion, according to source content |
| Protection Rating | IP65 dust-resistant and water-jet resistant; not a submersion rating |
| Dimensions | 20.55" x 9.45" x 8.62" / 522 x 240 x 219 mm |
| Weight | 69.0 lb / 31.3 kg |
| Terminal Bolt Size | M8 x 1.25 x 15 mm |
| Recommended Terminal Torque | 88.5–106.2 in-lb / 10–12 N·m |
| Package Quantity | 1 battery; verify selected supplier SKU and generation before publishing |
| Included Components | Core 12V 300Ah LiFePO4 battery; long terminal bolts; insulating sleeves; user manual |
| Certifications | MSDS, UN38.3, FCC, CE, PSE, UKCA |
| Warranty | 5-year prorated material and workmanship warranty |
