Discount 51.2V 400Ah 600Ah LiFePO4 Battery 20kWh Grade A 8000+ Cycles 10Y Warranty Manufacturers, Supplier

For the growing demographic of homeowners who have already embraced the sun, or those who are on the cusp of doing so, the "Solar Companion" is the perfect narrative. Solar panels are the harvest, but without storage, that harvest is fleeting. 

Product Description

Product Parameters
Caster-mounted energy storage lithium batteries
Model LXL9-20 LXL9-25 LXL9-30
Cell type Lithium Iron Phosphate (16S2P)
Standard voltage 51.2V(DC)
Voltage range 46V-58.4V(DC)
Cell capacity 400Ah 500Ah 600Ah
Installed capacity 20Kwh 25Kwh 30Kwh
Communication type RS232/RS485/CAN/Bluetooth/WIFI
BMS brand (PACE) Overcharge/Overdischarge/Short circuit/Overcurrent/Overtemperature protection
Max charging current ≤150A (Customizable)
Max discharging current ≤200A (Customizable)
Operating temperature Charging: 0 - 55℃ | Discharging: -20 - 60℃
Operating humidity 5%-96% RH
Storage temperature -10℃ to 55℃
Cycle life ≥8,000 cycles @ 85% DOD & 25℃
Warranty years 10 years
Size 1050*605*355mm
Weight 216KG 242KG
Package size 1150*700*500mm (Wooden box)
Package weight 232KG 258KG
Operating altitude <2000M
Certifications UN38.3, IEC, CE, MSDS
IP rating 54
Parallel Support Up to 16 units in parallel
Compatible Inverter

Sungrow / Ginlong Solis / Growatt / GoodWe / Deye / Solplanet / Hypontech / Livoltek / MUST Solar / Maysun / Sunways / Sunforce / RCT Power / Chint Power / SAJ / KSTAR / Sinexcel / SINENG

LED Indicators 1. Power indicator, 2. Fault indicator, 3-12. Battery level (10% - 100%)
Others Customization available for dimensions, capacity, interfaces, IP rating, and high-altitude adaptation (up to 3000M)
The Solar Companion: This system acts as the essential partner to solar photovoltaics, transforming daytime energy generation into a complete 24-hour power solution.
Solving the "Duck Curve": Capture massive amounts of power during the day when generation is high and consumption is low, instead of selling it back to the grid for minimal returns.
Energy Independence: Maximize self-consumption rates and build a closed-loop system where your home generates, stores, and consumes its own power, minimizing reliance on external infrastructure.

By branding the battery as the "Solar Companion," we ensure your solar setup is optimized for both performance and efficiency, promising a significant return on investment for green energy ecosystems.

Frequently Asked Questions
What is the lifespan of these caster-mounted batteries?
The batteries offer a cycle life of ≥8,000 cycles at 85% Depth of Discharge (DOD) and 25℃, providing long-term reliability for over 10 years.
Can I expand the capacity by connecting multiple units?
Yes, the system supports parallel connection for up to 16 units, allowing you to scale your energy storage as your needs grow.
Is the battery compatible with my existing solar inverter?
Our batteries are compatible with most major inverter brands, including Sungrow, Deye, Growatt, GoodWe, Solis, and many others.
What kind of protection does the built-in BMS provide?
The integrated PACE BMS protects the battery from overcharging, over-discharging, short circuits, overcurrent, and overtemperature issues.
Are the units easy to move and install?
Yes, the caster-mounted design allows for easy positioning within your facility or home, and the system is designed for straightforward integration with solar PV setups.
Can the technical specifications be customized?
Absolutely. We offer customization for dimensions, storage capacity, communication interfaces, IP ratings, and adaptation for high-altitude environments up to 3000M.

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