Product Overview
◼︎ The SUNPOK 51.2V 400Ah 20.48kWh Floor Standing LiFePO4 Solar Energy Storage Battery is an ultra-large capacity, space-saving, ultra-safe long-life energy storage solution customized for luxury villa solar self-consumption, whole-house emergency power backup, and large-scale light commercial energy storage.
◼︎ Equipped with premium A-grade LiFePO4 cells, built-in 200A intelligent BMS and high-current DC circuit breaker, this vertical floor-standing battery delivers stable high-power continuous output, full multi-layer safety protection and consistent long-term reliable performance to meet high-capacity daily household and commercial energy storage demands.
◼︎ With a rated energy of 20.48kWh, ultra-long cycle life exceeding 8000 cycles at 95% DOD, and support for up to 15 units parallel capacity expansion, the vertical floor-standing cabinet saves indoor floor space and can be neatly placed in garages, equipment rooms, basement power rooms and commercial distribution rooms. The front high-definition full touch screen replaces traditional physical buttons, supporting one-click real-time viewing of all battery operating data, intuitive human-computer interaction, greatly reducing daily operation and maintenance difficulty for installers and end users.
Core Technical Specifications
| Parameter | Specification |
| Brand | SUNPOK |
| Product Type | Floor Standing LiFePO4 Solar Energy Storage Battery |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 400Ah |
| Rated Energy | 20.48kWh |
| Battery Cell Type | A Grade LiFePO4 Cell |
| Cycle Life | More than 8000 cycles |
| Maximum Parallel Connection | Up to 15 units |
| DC Circuit Breaker | 200A DC Circuit Breaker |
| BMS | Built-in Intelligent BMS |
| Inverter Compatibility | Compatible with all inverter brands |
| Display | Front Large HD Capacitive Touch Screen, built-in operation menu, with SOC, voltage, current & fault status indicators |
| Installation Style | Floor-Standing Vertical Installation |
| Dimensions | 630mm × 1050mm × 380mm |
Key Product Advantages
Application Scenarios
This 20.48kWh Floor Standing LiFePO4 battery covers all high-capacity energy storage scenarios:
◼︎ Luxury Villa Residential Solar Energy Storage Store surplus photovoltaic power generated during daytime, significantly improve household solar self-consumption rate, reduce grid electricity purchase cost.
◼︎ Whole-House Emergency Backup Power Sustain refrigerator, air conditioner, lighting, water pump and other core household appliances continuous power supply during grid blackouts.
◼︎ Off-Grid Independent Power Systems Ideal for remote mountain villas, farmlands, pasture cabins, isolated scenic areas without stable municipal grid access.
◼︎ Large Light Commercial Energy Storage Applicable for supermarkets, home offices, processing workshops, small factories and commercial store full-set backup power systems.
◼︎ Telecom Base Station & Industrial UPS Backup Power Provide stable continuous power supply for communication equipment, industrial control equipment and emergency UPS power supply devices.
Why Choose us
Why Choose SUNPOK 20.48kWh Floor Standing Battery
The SUNPOK 51.2V 400Ah floor-standing lithium battery integrates ultra-large storage capacity, top-tier safety, ultra-long cycle life, stable high-power output and flexible parallel expansion in vertical space-saving cabinet design. Equipped with 200A intelligent BMS and intuitive touch screen monitoring system, it targets users with high power consumption demand, pursuing low maintenance and long service life.
Whether for villa solar self-consumption, long-time power outage backup or large light commercial energy storage, this model delivers balanced high-performance, high-safety and cost-effective energy storage solution.
faq
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E-mail: allenlin@sunpok.com
Address: Building at No. 13, Guangshan 2 Road, Tianhe District, Guangzhou City, Guangdong Province, China