MP-PC-12.8V300AH Deep Cycle Battery for Solar Storage, RV, Marine, Home Backup & Off-Grid System

Rated Capacity: 300Ah (3840Wh)

Battery Type: Lithium Iron Phosphate (LiFePO₄)

Rated Voltage: 12.8V

Discharge Cut-off Voltage: 10V

Standard Charging Current: 40A

Standard Discharge Current: 40A

Internal Resistance: ≤10mQ

Charging Voltage: 14.6V

Charging Method: CC/CV

Maximum Charging Current: 150A

Cycle Life: 2,000 cycles at 80% capacity

Weight: Approx. 36 kg

Maximum Continuous Discharge Current: 150A

Operating Temperature Range: 1. Charging: 0°C–45°C; 2. Discharging: –20°C–60°C
Product Features & Highlights

MP-PC-12.8V300AH is a high-capacity 12.8V LiFePO4 battery pack designed for energy storage applications. With 300Ah capacity and deep cycle performance, it is suitable for solar storage, RV, marine, home backup and off-grid systems.

✅ 12.8V 300Ah High Capacity Large capacity supports longer runtime and meets high-energy consumption requirements in off-grid scenarios.

✅ Long Cycle Life Supports more than 4000 cycles, greatly extending service life compared with traditional lead-acid batteries.

✅ Wide Temperature Adaptation Stable charging and discharging performance in different climates, suitable for outdoor and stationary storage use.

✅ Built-in Smart BMS Protects against overcharge, over-discharge, over-current, short circuit and over-temperature, ensuring safe operation.

✅ Maintenance-Free Operation No regular water addition or acid maintenance required, making it easier for residential and commercial storage users.

✅ OEM & ODM Supported Custom capacity, size, terminal type, communication function and logo printing are available.

4. Application Industry

• Solar energy storage systems
• RV and caravan power supply
• Marine and boat batteries
• Home backup power
• Off-grid telecom and monitoring systems

5. FAQ

Q1: What is the usable capacity of this battery?

A: This is a 12.8V 300Ah LiFePO4 battery, providing about 3.84kWh of energy.

Q2: Can it be used for solar storage?

A: Yes, it is suitable for solar energy storage, home backup, RV and off-grid systems.

Q3: How many cycles does it support?

A: It supports more than 4000 cycles under normal operating conditions.

Q4: Does it include BMS?

A: Yes, every battery pack is equipped with a built-in smart BMS for safety protection.

Q5: Can I connect multiple batteries in parallel?

A: Yes, parallel connection is supported for higher capacity. Please consult us for the correct connection scheme.