15kWh LiFePO4 Lithium Battery 51.2V 300Ah Solar Energy Storage System Off Grid Home Backup

Store 15kWh of solar energy with this 51.2V 300Ah LiFePO4 battery. The built-in smart BMS protects against over-voltage and short circuits while ensuring stable power output. Compatible with most inverters via CAN and RS485, this floor-mounted unit is expandable and backed by a 5-year warranty.

ModelWorrior-15
Capacity51.2/300Ah
Typical capacity300Ah ( 15kWh )-At 0.2C
Working voltage range43.2~58.4 V
Charge voltage58.4 V
Max. continuous charge current200 A
Discharge cut-off voltage43.2 V
Net weightApprox 140kg
Warranty5 Years

product details

product description

products formPRODUCTS

HIGH STANDARD LITHIUM ION BATTERY SPECIFICATION
No.	Item	Specification
1	Model	WORRIOR-15
2	Capacity	51.2/300Ah
3	Boundary dimension	L460W280H820mm (Excluding casters)
4	Serial-Parallel Mode	15S1P
5	Basic Parameter
6	Nominal voltage	51.2 V
7	Typical capacity	300Ah ( 15kWh )-At 0.2C
8	Inner resistance	≤60 mΩ -AC 1kHz
9	Working voltage range	43.2~58.4 V
10	Charging Input
11	Charge method	CC&CV
12	Charge voltage	58.4 V
13	Standard charge current	100 A
14	Max. continuous charge current	200 A
15	Discharging output
16	Discharge cut-off voltage	43.2 V
17	Standard discharge current	100 A
18	Max. continuous discharge current	200 A
19	Main shell material	SPCC
20	IP class	IP51
21	Cooling method	Air cooling
22	Net weight	Approx 140kg
23	Environmental Requirement
24	Operation temperature range	Charge : 0°C~45°C, Discharge : -20°C~60°C
25	Storage temperature range	15°C~25°C : ≤12 Months,0°C~35°C : ≤3 Months
26	Storage humidity	15%-85%RH
27	Extra	Bluetooth
28	Language	Chinese/ English/ Arabic...

products DESCRIPTIONPRODUCTS

This is a 15kWh floor-mounted lithium iron phosphate battery pack rated at 51.2V and 300Ah. It is engineered with automotive-grade cells and a proprietary Battery Management System that delivers real-time monitoring and protection. The unit supports standard communication protocols including CAN bus and RS485, ensuring plug-and-play compatibility with most major off-grid and hybrid inverters. The floor-standing form factor is optimized for residential basements and utility rooms, with a compact footprint and passive cooling design. Scalable up to multiple units in parallel, this battery is a future-proof choice for expanding home energy storage. It comes with a 5-year manufacturer warranty and meets international safety and quality standards.

FAQS

Question one. Is this battery compatible with my existing inverter.

Yes. The battery uses standard 51.2V nominal voltage and supports CAN bus and RS485 communication protocols, ensuring compatibility with most hybrid and off-grid inverters. For guaranteed integration, please confirm with your inverter manufacturer or share your inverter model with us before purchase.

Question two. What does the five year warranty cover and how long will it last.

The five year warranty covers manufacturing defects. Built with Grade A LiFePO4 cells, this battery delivers over 6000 cycles at 80% depth of discharge, retaining about 80% of its original capacity under normal daily use. This typically translates to over ten years of useful life.

Question three. What safety features does the BMS provide.

The integrated Battery Management System offers complete protection against over voltage, under voltage, over current, short circuits, and extreme temperatures. It actively monitors all operating conditions to ensure safe and stable performance, protecting both the battery and your home.

Question four. Can I install it myself and where should I place it.

Professional installation is highly recommended and often required for warranty validation. This floor standing unit requires a level, clean, dry area with stable temperatures between 0 and 45 degrees Celsius. Maintain at least three inches of side clearance and thirty six inches of front space for ventilation and service access, and ensure your floor can support its weight.

Question five. Can I add more batteries later.

Yes. The system supports multi unit parallel expansion, allowing you to connect additional batteries as your energy needs grow. You can start with this 15kWh unit and scale up over time, making it a future proof investment for your home energy system.