[Expandable Power, Easy to Use] Expand capacity up to 858Wh with EB300 (286Wh) or EB600 (572Wh). An extra battery adds a 140W USB-C port for more input/output options. [High Power up to 1200W] RIVER 3 Plus powers appliances up to 1200W with X-Boost and provides 600W steady output.
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