+1-888-321-6765 info@truesteadsupply.com
+1-888-321-6765
info@truesteadsupply.com
The Renogy Core Mini 12V 100Ah LiFePO4 Battery with DuoHeat Tech 4-Pack is a compact lithium iron phosphate battery set built for RVs, vans, campers, compatible trolling motor battery setups, winter fishing, cabins, and properly designed off-grid battery systems that need cold-weather charging support. This 4-pack provides 400Ah total rated capacity in a 12V parallel configuration and 5,120Wh / 5.12kWh nominal energy from four 1280Wh batteries before inverter losses, reserve settings, and operating conditions are considered. Each battery uses Grade-A LiFePO4 cells, a 100A battery management system, DuoHeat self-heating support, and IP65 dust-tight and water-jet resistant protection. Renogy lists each battery at 9.02" x 5.43" x 8.39" and 21.38 lb, making the set useful for compact battery-bank layouts where space and weight matter. Final charger settings, inverter sizing, cable gauge, fusing, series or parallel wiring, terminal torque, installation clearance, and cold-weather use should be confirmed against current Renogy documentation.
This Renogy DuoHeat 4-pack gives users four 12V 100Ah lithium iron phosphate batteries for larger battery-bank planning. In a properly configured 12V parallel bank, the set provides 400Ah rated capacity and 5.12kWh listed energy before real-world system losses and usable reserve settings are considered.
Renogy DuoHeat Tech uses dual heating pads with 110W heating power to help bring the battery to a safe charging state in cold conditions. Renogy states the battery can reach ready-to-charge status from as low as -22°F / -30°C in about 60 minutes when the heating system is operating under supported conditions.
The Core Mini 100Ah DuoHeat battery is listed as a Group 22NF-size battery and is described as 45% smaller than similar batteries. Its smaller footprint can help save space in RV, van, marine, camper, and off-grid battery compartments while still providing 100Ah rated capacity per battery.
Each battery includes a 100A battery management system and supports series and parallel connection planning up to 4S4P. Multi-battery systems should be built with matched batteries, correct fusing, balanced wiring, proper cable sizing, and charging equipment matched to the final bank voltage and capacity.

The Renogy Core Mini DuoHeat 100Ah 4-pack is built for users who need compact lithium storage with cold-weather charging support. It is best used as part of a complete system with compatible chargers, inverters, wiring, fuses, and battery monitoring.
Before installation, leave clearance above each battery and additional space near the busbar side as Renogy recommends. Confirm terminal torque, cable routing, battery orientation, heating behavior, and expansion limits before final setup.

Need help sizing a heated lithium battery bank?
Contact TrueStead Supply for quote support and product selection help.
✔ Battery sizing support ✔ Cold-weather power guidance ✔ Quote assistance
Contact Us for a Quote| Brand | Renogy |
| Series | Core Mini DuoHeat |
| Model / SKU | RBT12100LFP-Hx4-US |
| Product Type | Lithium iron phosphate battery 4-pack with DuoHeat Tech |
| Battery Quantity | 4 batteries |
| Battery Type | Lithium Iron Phosphate |
| Voltage Per Battery | 12V |
| Rated Capacity Per Battery | 100Ah at 0.5C, 25°C |
| Energy Per Battery | 1280Wh calculated from 12.8V x 100Ah |
| Total Nominal Energy | 5,120Wh / 5.12kWh from four batteries before reserve settings, inverter losses, operating conditions, and system limits |
| 12V Parallel Capacity | 400Ah when four batteries are wired in parallel according to Renogy guidance |
| Voltage Range | 10V to 14.6V |
| Charge Voltage | 14.6V |
| Maximum Continuous Charge Current | 100A per battery |
| Maximum Continuous Discharge Current | 100A per battery |
| Peak Discharge Current | 300A for 10 seconds per battery |
| DuoHeat Heating Power | 110W dual-heating power per battery |
| Cycle Life | 5000 cycles at 80% depth of discharge |
| Charge Temperature Range | -22°F to 131°F / -30°C to 55°C |
| Discharge Temperature Range | -4°F to 140°F / -20°C to 60°C |
| Storage Temperature Range | -4°F to 113°F / -20°C to 45°C |
| Operation Relative Humidity | 10% to 95% |
| Connection Method | Series and parallel, up to 4S4P |
| Maximum Scalable Energy | Up to 20.48kWh with supported 4S4P configuration, according to source content |
| Protection Rating | IP65 dust-tight and water-jet resistant; not a submersion rating |
| Monitoring | No built-in Bluetooth; compatible external monitoring devices sold separately unless included in the selected bundle |
| Dimensions Per Battery | 9.02" x 5.43" x 8.39" / 229 x 138 x 213 mm |
| Weight Per Battery | 21.38 lb / 9.7 kg |
| Approximate Total Battery Weight | 85.52 lb / 38.8 kg for four batteries |
| Terminal Bolt Size | M8 x 1.25 x 12 mm |
| Recommended Terminal Torque | 53.1 in-lb to 70.8 in-lb / 6 N·m to 8 N·m |
| Included Components Per Battery | Core Mini 12V 100Ah LiFePO4 battery with DuoHeat Tech; 2 M8 terminal bolts; 2 insulating sleeves; user manual |
| Certifications | MSDS, UN38.3, FCC, CE, PSE, IC, RoHS, UKCA |
| Warranty | 5-year prorated material and workmanship warranty |