This 1kW+2kWh all-in-one solar energy storage system integrates inverter and battery in one compact unit. Adopting safe and long-cycle LiFePO4 battery, it supports hybrid grid operation for both on-grid and off-grid use. High-Efficiency: MPPT conversion efficiency >90%, AC output efficiency >98% Wide Voltage & Strong Adaptability:. This manufacturer and trader mainly exports to Kazakhstan, Colombia, and Peru. Positive power tolerance:0~+5W 2. Potential induced Degradation (PID) Resistant 3. Equipped with WiFi and RS485 communication, it enables real-time monitoring. Applicable: House solar, agriculture, industry, commercial solar. German 5S technology, Durable and easy to operate, 360 degree Safety technology TANFON Solar Manufacturer since 2007, Professional technical team, German technical solar products, Home solar system, Industrial & Commercial Solar. PayGo-enabled 1kW 2kWh energy storage system featuring multi-layer safety protection, lithium thermal management and compact design.