【SuperSafe LIFEBMS System】Features LIFEBMS technology with 10-layer protection, including overcurrent and overdischarge safeguards. The durable LiFePO4 battery offers superior heat resistance and 3,000+ full cycles for long-lasting performance.【Capacity Expandable to 3kWh for Greater Needs】Equipped with a 1.548kWh capacity, expandable to 3096Wh with the optional Jump 1500 extra battery (sold separately), meeting diverse power demands for both indoor and outdoor use.【V-Beyond Technology & Constant Power Supply】Provides 1800W pure sine wave AC output (3600W surge), maintaining a steady 1800W even when powering devices slightly over its rated limit, ideal for high-demand appliances.【Simultaneous Charging 12 Devices & Versatile Outputs】Enables pass-through charging while powering up to 12 devices at once, with 3x 110V/1800W AC outlets, 2x 12V/10A DC5521 ports, 1x 12V/10A car port, 2x PD 100W USB-C ports, and 4x USB-A ports.【Fast Recharging with 400W Max Input】Rapid 100% recharge in 4 hours via 400W wall charger. Or recharged by up to 400W solar panels(optional).【Emergency & Outdoor Ready】Perfect for blackouts, hurricanes, camping, and RV trips. With reliable power and portability, it’s your go-to companion for any adventure or unexpected situation.【24-Month Warranty & Lifetime Customer Support】Backed by a 24-month warranty and responsive customer service, VTOMAN offers peace of mind. Our team is available to assist with any inquiries, typically responding within 12 hours.