51.2V 300Ah Lithium Ion Battery 15kWh LiFePO4 Solar Battery Home ESS Backup Power

Product Description

Powerful 15.36kWh Energy Storage Solution

Upgrade your home energy backup with our high-performance 51.2V 300Ah LiFePO4 Battery. This massive 15kWh energy storage system is engineered to provide reliable, long-term power for off-grid and hybrid solar setups. With advanced Lithium Iron Phosphate technology, it ensures maximum safety and a service life exceeding 10 years.

Key Features:

Grade A LiFePO4 Cells: Built with brand-new Grade A cells for stable discharge and over 6000+ deep cycles.

Massive Capacity: 15.36kWh total energy, perfect for powering whole-home appliances, air conditioners, and EV charging.

Smart BMS Protection: Integrated Battery Management System (BMS) protects against overcharge, over-discharge, short circuits, and overheating.

High Compatibility: Fully compatible with major hybrid and off-grid inverters (such as Victron, Growatt, Deye, and Goodwe).

Scalable Design: Supports parallel connection to expand your energy capacity as your needs grow.

Technical Specifications:

Nominal Voltage: 51.2V

Nominal Capacity: 300Ah

Total Energy: 15.36kWh

Battery Type: LiFePO4 (Lithium Iron Phosphate)

Cycle Life: ≥6000 cycles @ 80% DOD

Max Charge/Discharge Current: 150A/200A (Customizable)

Technical Parameter

Model	ALX-48V300
Nominal Capacity	300Ah
Nominal Energy	15360Wh
Nominal Voltage	51.2V
Charge Voltage	58.4V
Cut-off Voltage	40V
Terminal	M8
Expandability	1-15 in parallel
Max. Charge Current	200A
Max. Discharge Current	200A
Communication	RS485, CAN
Operating Temperature	Charge 0~50℃; Discharge -20~60℃
Cycle Life	6000 Time
IP Class	IP20
Dimensions	L555W250H740 mm
Weight	~145kg
Certification	CE/FCC/UN38.3/MSDS
Optional function	Bluetooth, WiFi
Warranty	5 Years

Applications:

Residential Solar Energy Storage Systems (ESS)

Off-Grid Power Supply

Emergency Home Backup Power

Commercial Energy Storage