SAJ

Hybrid inverters, high-voltage storage systems, and wallboxes—all in one system.

Founded in 2005
Headquarters in Guangzhou, China
Over 1,200 employees
High-voltage, modular storage

A manufacturer covering the entire value chain

SAJ Electric manufactures hybrid inverters, high-voltage storage systems, energy management solutions, and charging technology—all as a seamlessly integrated product family. For installers, this means a single point of contact, a unified firmware ecosystem, and no need to check compatibility between the battery and the inverter.

At the core is the three-phase hybrid inverter from the HS2series, which combines PV generation, storage, and grid connection in a single unit.

Storage that grows with you

The storage system has a modular design: The B2-10.0 battery base is supplemented by BU2-5.0-HV5modules, each with a capacity of 5,kWh, connected via the BC2-HV1BMS and the corresponding cable sets. This allows the capacity to be expanded later without replacing the inverter or the BMS.

Energy Management and Charging Technology

The eManager (with the Promate as an extension) controls the energy flows, while the DTSU 666 smart meter measures power at the grid connection. The AC wallbox AC011K-AE-35 integrates charging into the same system logic—surplus energy goes to the car instead of being fed into the grid at a low rate.

SAJ at ACTEC

ACTEC carries the SAJ system family for residential customers and specialized installers. This is particularly useful wherever a complete storage project needs to be fulfilled from a single order, rather than pieced together from four different manufacturers.

Products

SAJ in the ACTEC Shop

All 10 products

SAJ in the ACTEC Shop

Hybrid inverters, HV storage systems, eManagers, and wallboxes from SAJ in the ACTEC Shop.

Manufacturer specifications according to GPSR

Manufacturer

Guangzhou Sanjing Electric Co., Ltd.

SAJ Innovation Park, No. 9 Lizhishan Road, Science City, Guangzhou High-tech Zone

Guangzhou, Guangdong

China

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