3014Wh large capacity, long battery life with 10000 cycles, 10 years warranty, 15 years design-life · Support battery self-heating, usable at -20°C severe cold environment .3000W bidirectional inverter Max. 3000W off-grid power, portable use supported Three levels of safety protection: early detection of risks, immediate warnings, and automatic triggering of protection mechanisms • A+ grade cells with automotive-grade standard Safety at your hand with Ip66 • Plug and play, 2-minutes installation Al-powered cloud, automatically plan excess energy to maximize benefits according to the grid electricity prices • All-in-one design, no need for an additional microinverter and offering all-in-one convenience and ease of use · RGB intelligent lighting supported • Flexible stacking expansion, no external wiring required, up to 18.086kWh Wide application range: small residential, balcony, garden, outdoor ·Zero energy waste with shelly smart meter and our own smart meter · Compatible with any existing solar system, no rewiring, no upgrades