300AH 12.8V Smart LiFePO4 Lithium Battery

The HD300 is ideal for off-grid solar systems, motorhomes, caravans, marine installations, and backup power applications, the 300Ah capacity provides substantial usable energy for running high-demand appliances, inverters, and electrical systems. Its stable voltage profile ensures smooth operation of sensitive electronics while maintaining efficiency across the entire discharge cycle. 

The “Smart” design incorporates an advanced Battery Management System (BMS) that protects against overcharging, over-discharging, overheating, and short circuits. This ensures safe operation while optimising battery performance and longevity. With no communication ports in certain configurations, the battery remains a robust, plug-and-play solution suitable for straightforward installations without the need for complex integration. 

One of the key advantages of the Beyond Batteries 300Ah lithium battery is its high usable capacity—unlike lead-acid batteries, lithium technology allows deeper discharge without compromising battery health. This means more available energy, fewer charging cycles, and improved overall system efficiency. In addition, its lightweight design significantly reduces installation weight, making it especially beneficial for mobile and weight-sensitive applications. 

With thousands of charge cycles and minimal maintenance requirements, this battery is engineered for long-term use, reducing the need for frequent replacements and lowering total cost of ownership over time. Fast charging capability also allows users to replenish stored energy more quickly, whether via solar, alternator, or mains charging systems.

KEY FEATURES

Beyond Batteries HD300 - Our premium, LiFePO4 300Ah heated power solution with 2 x optional communication ports. Engineered for durability and high-use applications, HD ensures reliable, uninterrupted power and efficient charging in cold-weather environments when it matters most. 

Bluetooth Monitoring - Use Android & iOS devices to monitor power, state of charge & battery health. 

Communications - Optional dual RJ45 communication ports, configurable for VE.Can (CAN-bus) or RS485 ideal for communication with Victron & Insytly. 

Heater Function - The HD range is equipped with heating to enable charging in temperatures down to -10°C. 

High Capacity - Compact & powerful, the HD300 delivers 3840Wh for high-discharge demand. 

Grade A Cells - Beyond Batteries uses only Grade A cells for reliable, long-lasting performance. 

Dimensions - L:385mm W:204mm H:272mm (widest parts of casing) 

BMS - Our high-integrity Battery Management System (BMS) ensures safe, reliable performance, with low temperature protection to keep cells safe in cold conditions. 

Safety First - LiFePO4 - Safe lithium option. Advanced BMS for protection & longevity. 

Fast Charge & Discharge - Fast charge in under 2 hours. Delivering a continuous 250A output with a 500A peak current. 

Cycle Life - Provides 6000 cycles at 80% depth of discharge. 4500 cycles at 100%. 

Applications - Ideal for large security towers, traffic signals & VMS, leisure & marine. For use with inverters for AC mains power.

PRODUCT CODE: HD300