?Dual Function Design for Flexible Use?This 3600Wh expansion battery pack comes with various output ports on the unit itself. It can be stacked with main power station to expand total power capacity, and it is also available for independent power output alone. Dual-purpose design brings great cost-effectiveness and saves your extra purchase cost. | ?Charge via Main Unit Connection?This auxiliary battery needs to be charged by connecting with the main power station through dedicated cable. It realizes convenient power replenishment through the main unit, forming a complete matching power supply system. | ?Large Capacity Effectively Extend Working Time?Single pack provides large capacity, multiple packs can be connected in stack to greatly extend the working duration of main unit, well suited for long time emergency power supply and off-grid power use. | ?Independent Output for Multi-scene Application?After fully charged, you can separate it from the main unit directly. It supports independent power supply outdoors, at home or during travel, easy to carry and widely applicable. | ?Long-Lasting, Safe Power & Trusted Service?Equipped with EV-grade LFP cells, advanced BMS technology, and smart algorithms, it retains 80% capacity after 4000 cycles, ensuring 10 years of stable use. Backed by Growatt?s global leading reputation in residential solar and inverter industry, you get proven quality, US-based responsive service, and UL certification for peace of mind.
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
