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Stackable Home Energy Storage LiFePO4 Battery 51.2V 25kWh for Off-Grid Solar by Sanlita

  • Factory direct pricing with no middleman markup, saving up to 30% on your energy storage investment.
  • Certified LiFePO4 cells with 6000+ cycle life, ensuring 10+ years of reliable performance.
  • Stackable modular design for easy capacity expansion from 5kWh to 30kWh+.
  • Built-in BMS with overcharge, over-discharge, and temperature protection for maximum safety.

Product Overview

Sanlita’s stackable home energy storage battery is a 51.2V LiFePO4 system designed for residential solar and off-grid applications. With a capacity of 25kWh, this lithium battery pack supports parallel stacking to meet growing energy demands. It features a built-in intelligent BMS, ensuring stable performance, long cycle life, and compatibility with most solar inverters. Ideal for backup power, self-consumption, and remote area electrification.

Technical Specifications

Parameter Specification
Nominal Voltage 51.2V
Nominal Capacity 500Ah (25.6kWh)
Cell Chemistry LiFePO4 (Lithium Iron Phosphate)
Cycle Life ≥6000 cycles @ 80% DOD
Operating Voltage Range 44.8V ~ 57.6V
Max. Charge/Discharge Current 100A / 100A
Communication Port RS485 / CAN / RS232
IP Rating IP54
Weight ~280 kg
Dimensions (per module) 600 x 400 x 200 mm

Why Choose Sanlita

  • Direct from China factory – competitive pricing and fast delivery.
  • ISO9001, CE, UN38.3 certified – quality assured.
  • Customizable voltage and capacity for OEM/ODM projects.
  • Professional technical support and 5-year warranty.

FAQ

Q: Can this battery be used with my existing solar inverter?

A: Yes, it is compatible with most hybrid and off-grid inverters supporting 48V battery systems, such as Victron, Growatt, and Deye. Please check your inverter’s battery voltage range and communication protocol.

Q: How many modules can I stack together?

A: You can stack up to 6 modules in parallel to achieve a total capacity of 150kWh or more, depending on your system design and BMS configuration.

Q: What is the lifespan of this battery?

A: With proper use and maintenance, the LiFePO4 cells provide over 6000 cycles at 80% depth of discharge, which translates to approximately 10-15 years of service life.

Q: Is the battery safe for indoor installation?

A: Yes, the LiFePO4 chemistry is inherently stable and non-flammable. The battery is equipped with a multi-layer BMS for overvoltage, short circuit, and temperature protection, making it safe for indoor use.

Q: Do you offer custom labeling or packaging for bulk orders?

A: Absolutely. As a factory, we provide OEM/ODM services including custom logo, packaging, and even firmware adjustments to meet your specific requirements.

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