WJ Series stackable low-voltage home battery system for residential solar storage

WJ SERIES

Stackable Low-Voltage Home Battery System
Certification
IEC 62619 | IEC 62040 | UN 38.3
Designed For
Europe | Australia
10.24–307.2 kWh
System Capacity
6.1–10 kW
Charge / Discharge Power
2–10 Modules · 6 Clusters
Modular Expansion
10 Years / 6,000 Cycles
Designed Life
WJ Series modular parallel expansion
From 2 Modules
to 6 Clusters

Start at 10.24 kWh. Stack up to 10 modules for 51.2 kWh per cluster, then connect up to 6 clusters in parallel for 307.2 kWh.

2 → 10 Modules
10.24 kWh → 51.2 kWh / cluster → 307.2 kWh total
WJ Series residential backup power scene
24/7 Backup Power
Stay powered through grid outages.
Earn from Energy
Unlock more value from changing electricity prices.
Lower Electricity Bills
Use less grid power and save more.
WJ Series six-layer protection structure
Safety, Built in at Every Layer

Protection is built across six layers: cloud smart management, DC circuit breaker, fuse protection, IP65 protection, fire extinguisher, and self-developed BMS control work together to provide comprehensive electrical, environmental, fire, and system-level protection.

WJ Series outdoor adaptability in cold, rain and snow
Ready for Every Season.
IP65
-20°C

Designed to keep working in cold, rainy and snowy conditions within its specified operating range.

-20°C to 55°C operating range · Optional heating films for low-temperature configurations

WJ Series EdgeBox dashboard
More Accurate Energy.
Smarter Decisions.

EdgeBox analyzes real-time battery data to improve SoC and available-energy estimates, identify safety risks earlier, and guide smarter charging and discharging—supporting safer operation, better energy use and energy trading where available.

Power That Grows with Your Home.
WJ Series scalable home energy storage

From everyday solar storage to greater household energy needs, WJ Series expands with your system while maintaining a clean, integrated presence around the home.

SPEC
Cell Type
LiFePO4
Rated Capacity
200–1,000 Ah, model-dependent
Rated Energy
10.24–51.2 kWh per cluster
Usable Energy
9.22–46.08 kWh per cluster
Rated Voltage / Voltage Range
51.2 V / 43.2–58.4 V
Rated Charge / Discharge Power
6.1–10 kW, model-dependent
Expansion
2–10 modules per cluster / Up to 6 clusters
Dimensions
640 × 360 × 462.8–1,573.2 mm (W × D × H), model-dependent
Weight
101–469 kg, model-dependent
IP Rating
IP65
Operating Temperature
-20°C to 55°C
Communication
CAN / RS485 / Wi-Fi
Designed Cycle Life
6,000 cycles
Warranty
10 years or 6,000 cycles · SOH ≥70% at 25°C
Certifications
UN 38.3 / IEC 62619 / IEC 61000 / IEC 62040

Product Downloads

Technical documents for this product.

Datasheet English
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Solar landscape at sunset