Part of the Residential series, the Smile-B3 is an all-in-one battery module comprising a 3kW inverter and a 5.04kWh battery. Alpha Smile-B3 Plus 5.04 kWh Battery ESS. Built-in battery. The Smile-B3 Plus is easily expandable up to 30.24kWh with the addition of up to 5 extra SMILE-BAT-5P batteries.
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