24V 300Ah LiFePO₄ RV Battery with 7.2kWh High-Capacity 5000+ Cycle Life and Active Balancing BMS for Energy Storage
- 7.2kWh Massive Capacity – Supports prolonged use of high‑power appliances like RV AC, induction cooktop, water heater
- 5000+ Cycle Life – One full cycle per day equals 13+ years of service
- Active Balancing BMS – Continuously balances cell voltages, extends overall lifespan and improves safety
- 150A Continuous Discharge – Easily powers a 3000W inverter, peak 450A (3s)
- Low‑Temperature Heating – Optional self‑heating function pre‑warms the battery below 0°C, ideal for cold climates
- Modular Parallel – Up to 6 units in parallel, total capacity up to 43.2kWh for large RVs or home storage
| Specification | Value |
|---|---|
| Electrical | |
| Nominal Voltage | 24V (25.6V) |
| Nominal Capacity | 300Ah |
| Rated Energy | 7200Wh (7.2kWh) |
| Cell Type | Prismatic LiFePO₄ (Grade A) |
| Cycle Life | ≥5000 cycles @80% DoD to 70% capacity |
| Max. Continuous Charge Current | 75A |
| Max. Continuous Discharge Current | 150A |
| Peak Discharge Current | 450A (≤3s) |
| Charge Voltage Range | 28.8V – 29.2V |
| Discharge Cut‑off Voltage | 20V ± 0.5V |
| BMS | |
| BMS Type | Built‑in smart BMS with active balancing |
| Balancing Current | 1.2A (active) |
| Protection Features | Over‑voltage, under‑voltage, over‑current, short‑circuit, over‑temperature, under‑temperature, cell imbalance |
| Communication (standard) | CAN, RS485, Bluetooth (optional) |
| Low‑temp Heating (optional) | Self‑heating pad, starts at <0°C, stops at 10°C |
| General | |
| Operating Temperature (Discharge) | -20°C to 65°C |
| Operating Temperature (Charge) | 0°C to 55°C (with heating: -20°C to 55°C) |
| Storage Temperature | -10°C to 45°C |
| IP Rating | IP54 (standard) / IP65 (upon request) |
| Dimension (L*W*H) | Approx. 660*240*240 mm (depends on brand) |
| Weight | Approx. 58‑65 kg |
| Terminal Type | M10 |
| Enclosure Material | Steel with powder coating |
| Certifications | CE, RoHS, UN38.3, MSDS |
The 24V 300Ah LiFePO₄ battery is the energy core designed for high‑consumption RVs, converted buses and off‑grid homes. With 7.2kWh of total energy, it can power a 2000W induction cooktop for 1 hour, a 1200W RV air conditioner for 5‑6 hours, plus auxiliary devices like fridge, lights and water pump all day long. Using Grade A LiFePO₄ cells and an active balancing BMS, each cell string is kept in optimal condition, greatly extending cycle life and safety margins.
- Balance of performance and cost – 24V cuts current in half compared to 12V, reducing cable losses and thickness; inverters and chargers are widely available at lower prices than 48V systems
- Good compatibility – Many imported RVs come with a native 24V platform, so upgrading to lithium does not require replacing the entire electrical architecture
- Safety – Still falls within safety extra‑low voltage range while supporting larger loads (3000W‑5000W inverters)
- Flexible expansion – Paralleling 6 units yields 43.2kWh, enough for a fully self‑sufficient RV or even a small off‑grid home
- Unlike passive balancing (resistor bleeding), active balancing transfers energy from high‑voltage cells to low‑voltage cells with over 90% efficiency
- Significantly reduces capacity loss caused by cell inconsistency, making overall battery life close to the cell limit
- Especially suitable for large‑capacity multi‑parallel systems – voltage difference can be kept within 10mV after long‑term operation
| Scenario | Description |
|---|---|
| Large RVs / Bus Conversions | Powers high‑draw appliances: induction cooktop, microwave, roof AC, water heater, washer/dryer |
| Off‑grid Cabins | 7.2kWh per unit – 6 units in parallel provide up to 43.2kWh for week‑long autonomy with solar |
| Home Backup (Critical loads) | Keeps fridge, freezer, medical devices, sump pump running during outages |
| Boat / Marine (48V hybrid) | Two units in series (with proper BMS) for 48V systems in electric yachts |
| Workshop / Mobile Office | Silent power for tools, computers, communication equipment |
Q: Can it directly replace the original lead-acid battery?
A: Yes, 12.8V is compatible with 12V systems, with adaptive size and consistent positive and negative poles, plug and play; it is recommended to check if the charger supports LiFePO4 (14.4V-14.6V).
Q: Does it support parallel expansion with multiple batteries?
A: Yes, it can be paralleled with up to 4 batteries, with a total capacity of 1600Ah, meeting the demand for large loads.
Q: Can it be used in low temperatures in winter?
A: The standard version can be charged above 0℃; the optional low-temperature heating version can be normally charged and discharged at -20℃, suitable for RVs in northern winter.
Q: How long is the service life and warranty period?
A: 3000+ cycles (70% DOD), usable for 8-10 years under normal use; 5-year warranty (free of charge for non-human damage).
Q: Is maintenance required?
A: Zero maintenance, no need for water replenishment, balancing or regular charging, low self-discharge rate, and slow power loss during long-term storage.
Q: Is it safe? Will it explode?
A: It adopts LiFePO4 (lithium iron phosphate), which has stable chemical properties, non-flammable and non-explosive; built-in BMS multiple protection and flame-retardant shell, safe and reliable for RV use.
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