BetterESS 51.2V 48V 280Ah All in One 14kWh LiFePO4 Battery Mobile ESS Built-in 5kw Hybrid Off-grid Inverter, BMS, MPPT, Active Balancer-Backup Power for Home

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The Lithium battery LiFePO4 48V 51.2V 300Ah/280Ah 14KWh is Built-in 5KWh inverter, All-in-One Mobile ESS Battery with WIFI for solar system solutions. Long life is guaranteed with 6000+ deep cycles.

Feature

√ 100% New Grade A+ Cells

√ Supports up to 14 units in parallel

√ Built-in active balancer module + external physical switch

√ Integrated temperature-sensitive LiFePO4 fire extinguisher

√ Auto-trip protection to prevent electric shock

√ Deep cycle capable, 10+ years lifespan

⭐️Expandable and Versatile Energy System

The BetterEss 48V 280Ah 14kWh All-in-One Mobile ESS is built to grow with your energy demands. It supports parallel connection of up to 14 units of the same model, enabling you to expand capacity with ease. You can also connect it with 15kWh expansion batteries for scalable energy storage.

Note: For optimal performance and compatibility, all parallel-connected units must be of the same brand and purchased from the same supplier.

⭐️Portable and Powerful Energy Solution

BetterESS 48V 51.2V 280Ah 14KWh All-in-One Energy Storage System combines a high-efficiency 5KW inverter, an advanced active balancer module, and a built-in LiFePO4 temperature-sensitive fire extinguisher for ultimate safety. Its streamlined integration eliminates complex wiring—simply plug and play for instant power.

Enjoy versatile charging options: harness solar energy, grid power, or both simultaneously for uninterrupted supply.

⭐️Smart Energy Management

Equipped with an advanced MPPT charge controller, the BetterESS 14kWh All in One ESS maximizes solar energy efficiency, allowing you to harness the sun’s power like never before.

Whether you’re looking to reduce electricity bills, achieve energy independence, or prepare for power outages, this system offers a sustainable and cost-effective solution.

⭐️Built for Convenience and Safety

The BetterESS 14kWh All in On Solar Battery Mobile ESS features a user-friendly plug-and-play design, making installation quick and hassle-free.

Integrated safety mechanisms, including overcharge protection and temperature monitoring, ensure reliable operation and peace of mind. Its durable construction and compact size make it ideal for both indoor and outdoor use.

⭐️Versatile Applications

From home energy backup to off-grid living and outdoor exploration, the BetterESS 14kWh All-in-One ESS adapts to a wide range of scenarios.

With high energy density, long cycle life, and excellent mobility, it’s a reliable and flexible solution for solar storage and portable power needs.

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 circuits.

• 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, or 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, and wires).