48V 51.2V 300Ah 15kWh LiFePO4 Mobile ESS With Active Balancer For Home Energy Storage System-Backup Power

Free Shipping & Free Tax

The price listed is the final price. Free shipping, Free customs duties and tax, you don't need to pay any other fees.

【Feature】

BetterESS 51.2V 300Ah 15KWh lithium battery built-in active balancer module and lifepo4 temperature-sensitive fire extinguisher, this model shipped from China

【Energy Expansion】

BetterESS 15KWh lifepo4 battery supports parallel connection to expand capacity.

【Usage】

BetterESS 15KWh lifepo4 mobile energy storage battery perfect for solar home systems, power outages, off-grid living.

Downloadable documents
User manuals

Compatible inverter brands

Growatt, Goodwe, SofarSolar, Deye, Voltronic, Victron, SRNE, Megarevo, PYLONTECH, Luxpowertek, Sorortec, SMA, GINLONG, MUST, TBB, STUDER, etc. (For compatibility with other inverters, send the inverter user manual)

✅ Scalable Capacity with Parallel Connection
The BetterESS 15kWh system supports parallel connection of up to 15 units, allowing you to expand your energy capacity effortlessly. Please note: Parallel connection requires the same model and brand for optimal performance. Additionally, it also can be paired with BetterESS 15kWh built in 5kw all-in-one unit, for even greater flexibility and power.

✅ Quick Installation and User-Friendly
With a plug-and-play design, the system is easy to install, requiring no professional expertise. This saves time and costs, allowing you to start using your energy storage system immediately.

✅ Portable and Modular Design
BetterESS 15kWh system features a portable design, perfect for mobile homes, RVs, and off-grid applications. Its modular design also allows for easy expansion, making it adaptable to growing energy demands.

✅ Smart Battery Management System (BMS)
Equipped with an advanced BMS, the system provides real-time monitoring of voltage, current, and temperature. This ensures optimal performance, prevents overcharging or over-discharging, and extends the battery’s lifespan.

✅ Advanced LiFePO4 Battery Technology
BetterESS utilizes state-of-the-art lithium iron phosphate (LiFePO4) batteries, known for their high energy density, long cycle life (over 6,000 cycles), and exceptional thermal stability. This ensures a safe, durable, and reliable energy storage solution for your home.

✅ Seamless Solar Integration
The system is fully compatible with solar power setups, allowing you to maximize renewable energy usage, reduce reliance on the grid, and lower electricity bills. Store solar energy efficiently and enjoy uninterrupted power day and night.

✅ Eco-Friendly and Sustainable
By using non-toxic LiFePO4 batteries, BetterESS supports green energy initiatives, reduces carbon emissions, and promotes a sustainable lifestyle. It’s the ideal choice for environmentally conscious homeowners.

✅ Wide Range of Applications
From home backup power and off-grid living to solar energy storage, BetterESS's system is versatile and suitable for residential, commercial, and outdoor use. It ensures uninterrupted power during outages and enables energy independence.

✅ Globally Certified and Safe
BetterESS meets international safety standards, including CE and UN38.3 certifications, ensuring compliance and safety for global users.

✅ Long-Term Warranty and Support
BetterESS stands behind its products with extended warranties and dedicated customer support, providing peace of mind and reliable after-sales service.

Precautions

• No matter what the charging model is, once the temperature of the cell is above the absolute charging temperature, charging should be stopped.

• Please check the orientation of the positive and negative terminals before packaging.

• Connect the terminal or wire to the battery module, and pay attention to insulation to prevent short circuit.

• When not in use for a long time, the battery should be stored in a cool and dry place (<35°C, 30%~50% SOC, charge and discharge once every 3 months).

• Do not place the battery in direct sunlight or a heat source.

• Do not wear metal jewelry (such as rings, watches, accessories, etc.) when handling the battery unit.

Prohibited Matters

Do not charge beyond the maximum charging rate.

Do not disassemble or modify the battery.

Do not throw or hit the battery.

Do not pierce the battery with sharp objects (such as nails, knives, pens, electric drills).

Do not mix with other types of batteries or modular units.

Do not excessively squeeze the battery during use.

Do not place the battery in a high temperature greater than 60°C.

Do not use conductive materials to connect the positive and negative terminals (such as metals, wires).