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15kWh lithium battery | 48V 300Ah battery | 51.2V 300Ah energy storage lithium battery
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15kWh lithium battery | 48V 300Ah battery | 51.2V 300Ah energy storage lithium battery
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 3
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 4
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 5
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 6
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 7
15kWh lithium battery | 48V 300Ah battery | 51.2V 300Ah energy storage lithium battery
3d model
15kWh lithium battery | 48V 300Ah battery | 51.2V 300Ah energy storage lithium battery
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 3
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 4
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 5
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 6
51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery 7

51.2V 300Ah 15.36kWh Wall Mounted Solar Energy Storage Battery

Powerwall Lithium Battery with Smart BMS for Residential Hybrid & Off-Grid Solar Backup
SUNPOK 15.36kWh 51.2V 300Ah wall-mounted LiFePO4 powerwall battery for home solar backup. 8000+ cycles, smart BMS, 200A breaker, up to 15 parallel. Compatible with hybrid & off-grid inverters for residential and light commercial energy storage. 

Brand: SUNPOK ENERGY
Product Type: Wall-Mounted LiFePO4 Energy Storage Battery
Nominal Voltage: 51.2V
Nominal Capacity: 300Ah
Rated Energy: 15kWh
Certification: CE/ISO9001/MSDS/UN38.3
Delivery Time: 5-15 Days
Service: OEM/ODM Customized 
Supply Ability: 5000 PCS/Month
5.0
design customization

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    Sunpok Energy SP-48XXX-BG Wall Lithium Battery-202 (2)
    Sunpok Energy SP-48XXX-BG Wall Lithium Battery-202 (2)

    Product Overview

    ◼︎ The SUNPOK 51.2V 300Ah 15.36kWh Wall-Mounted LiFePO4 Solar Energy Storage Battery is an ultra-large capacity, space-saving, ultra-safe long-life energy storage solution designed for luxury villa full-house solar systems, heavy residential power backup, and large light commercial energy storage projects. 


    ◼︎ Equipped with premium A-grade LiFePO4 cells, integrated intelligent full-protection BMS and built-in 200A DC circuit breaker, this wall-mounted battery delivers stable ultra-high-power continuous output, multi-layer all-round safety protection and consistent long-term reliable performance to meet high-capacity daily household and commercial energy storage demands.


    ◼︎ With a rated energy of 15.36kWh, ultra-long cycle life exceeding 8000 cycles at 95% DOD, and support for up to 15 units parallel expansion, this slim wall-mounted model perfectly matches users with heavy daily power consumption but limited floor space. Its thin wall-mounted cabinet design eliminates bulky ground occupation, can be firmly installed in living rooms, garages, equipment utility rooms, shopping small shops and commercial equipment rooms. The front HD LCD screen and intuitive physical operation buttons support real-time full battery data visual monitoring, greatly simplifying daily inspection and maintenance for installers and end users.

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    Core Technical Specifications

    a2 (7)
    Parameter Specification
    Brand SUNPOK
    Product Type Wall-Mounted LiFePO4 Solar Energy Storage Battery
    Nominal Voltage 51.2V
    Nominal Capacity 300Ah
    Rated Energy 15.36kWh
    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 LCD display with SOC and status indicators
    Installation Style Wall-mounted
    Dimensions 950mm × 550mm × 210mm

    Key Product Advantages

    A01 (2)
    Top-Grade A-Grade LiFePO4 Cells, Industry-Leading Intrinsic Safety
    Top-Grade A-Grade LiFePO4 Cells, Industry-Leading Intrinsic Safety Adopts industrial premium A-grade lithium iron phosphate cells with outstanding thermal stability, low heat generation, zero thermal runaway risk and stable chemical properties. Effectively eliminate fire and explosion hidden dangers, the safest cell chemistry for large household photovoltaic energy storage, whole-house power outage backup and heavy commercial power supply scenarios.
    A02 (2)
    Long Cycle Life, Lower Replacement Cost
    Over 8000 Deep Cycles at 95% DOD, Ultra-Low Full-Lifecycle Operation Cost Supports more than 8000 deep charge-discharge cycles under 95% deep discharge depth, far outperforming traditional lead-acid batteries. Extremely long service life greatly reduces battery replacement frequency, cuts total long-term ownership cost, and brings higher stable investment return for large villas, big families, retail stores, workshops and heavy light commercial energy storage projects.
    A03 (2)
    Scalable Energy Storage with Parallel Expansion
    Powerful Expandable Large-Capacity System via Parallel Connection Support up to 15 batteries connected in parallel, freely expand total storage capacity according to daily heavy power consumption demand. Flexible matching from high-load large household self-use solar systems to upgraded large light commercial energy storage projects, fully adapt to later-stage power consumption growth and capacity upgrade needs.
    A04 (2)
    Dual Heavy-Duty Safety Protection
    Smart Full-Function BMS + 300A High-Current DC Circuit Breaker Built-in comprehensive intelligent BMS implements full protection against overcharge, over-discharge, over-current, high/low temperature, short circuit and cell imbalance, automatically balance every cell group to maintain stable long-term system operation. Matched with 300A high-current DC circuit breaker to provide secondary heavy-load electrical safety barrier for high-power continuous working conditions.
    A05 (2)
    Full Universal Compatibility With All Global
    Full Universal Compatibility With All Global Mainstream Inverters 15.36kWh large-capacity wall-mounted lithium storage battery supports seamless matching with all mainstream hybrid, off-grid, grid-tied inverter brands worldwide. Simplify on-site system integration work for installers, distributors and end users, completely eliminate cross-brand equipment compatibility troubles.
    06
    Real-Time Visual Full Data Monitoring via Front HD LCD Interface
    Real-Time Visual Full Data Monitoring via Front HD LCD Interface Front panel equipped with high-definition LCD screen plus independent SOC remaining power and running status indicator lights. Users can directly check real-time battery voltage, charge/discharge current, remaining SOC percentage, cell balance data and operating fault alarm status at a glance, humanized operation layout lowers daily maintenance difficulty without professional tools.
    07
    Slim Thin Wall-Mounted Cabinet, Save Valuable Indoor Floor Space
    Slim Thin Wall-Mounted Cabinet, Save Valuable Indoor Floor Space Compact thin wall-mounted structural design abandons bulky floor cabinet layout, no extra ground space occupied. Can be firmly fixed on indoor solid load-bearing walls, ideal for luxury villas, large apartments, small factories, retail shops and commercial equipment rooms with limited ground placement area.

    Application Scenarios

    This 15.36kWh wall-mounted LiFePO4 battery covers full high-load energy storage scenarios:

    ◼︎ High-Capacity Residential Solar Energy Storage Store massive excess solar power and greatly boost household solar self-consumption rate for big villas & large families.

    ◼︎ Whole-Home Emergency Backup Power Support high-power heavy appliances running continuously during long-term grid power outages.

    ◼︎ Off-Grid High-Load Power Systems Suitable for remote large cabins, isolated farms, rural self-sufficient residences without stable grid access.

    ◼︎ Heavy Light Commercial Energy Storage Applicable for retail shops, large home offices, production workshops, small catering and medium-sized business backup power systems.

    ◼︎ Telecom Base Station & Industrial UPS Backup Power Deliver stable long-duration high-power supply for communication equipment, industrial emergency UPS and monitoring devices.

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    Why Choose SUNPOK

    The SUNPOK 51.2V 300Ah wall-mounted battery integrates ultra-large storage capacity, top-tier safety, ultra-long service life, stable high-power output and flexible parallel expansion in a space-saving slim wall-mounted design. It is specially developed for users who need high-load reliable solar energy storage, full-house emergency backup or heavy commercial power supply with limited indoor placement space.


    Whether for high self-consumption residential solar systems, long-duration power outage backup or heavy light commercial energy storage, this model provides a balanced high-performance solution of safety, large capacity and long-term cost-effectiveness.

    faq

    1
    Q1: What is the full capacity specification of this wall-mounted battery?
    A: This battery features nominal voltage 51.2V, rated capacity 300Ah, total rated energy 15.36kWh.
    2
    Q2: What is the maximum number of batteries that can be connected in parallel?
    A: The energy storage system supports up to 15 units connected in parallel to expand total large-capacity energy storage for heavy high-power demand.
    3
    Q3: What battery cell material is adopted for this storage battery?
    A: It uses high-quality A-grade LiFePO4 cells, famous for high safety, stable chemical performance and ultra-long cycle service life.
    4
    Q4: Does this battery work with all mainstream solar inverters?
    A: Yes, it is professionally designed to be fully compatible with all mainstream grid-tied, hybrid and off-grid inverter brands worldwide.
    5
    Q5: Does this battery have built-in multi-layer safety protection?
    A: Absolutely. It is equipped with an integrated intelligent full-protection BMS plus a 300A high-current DC circuit breaker, providing double-layer heavy-load safety protection to guarantee stable and safe long-term continuous operation.
    6
    Q6: Is this battery suitable for large home and heavy commercial use?
    A: Yes. Its wall-mounted design saves floor space, and the 15.36kWh ultra-large capacity meets heavy power demand of luxury villas, full-house long backup and large light commercial energy storage scenarios.
    7
    Q7: How many charge-discharge cycles can this battery achieve?
    A: The cycle life reaches more than 8000 cycles under 95% DOD; actual service cycle will slightly fluctuate according to installation environment and daily high-load usage habits.
    8
    Q8: What installation mode does this energy storage battery adopt?
    A: It adopts wall-mounted fixed installation structure, which can be mounted on solid indoor load-bearing walls to save precious floor space.

    Contact our team immediately for a free customized quote.

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    Allen Lin
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