Storing energy in a battery means you can power things for hours or days on end indoors or out, all without access to the grid. DELTA 2 allows you to store 1 kWh, in other words, it's a ton of energy to power your essentials. DELTA 2's 1800W output handles 90% of electronics and powers 13 devices simultaneously. No fears of overloading for high-wattage devices (up to 2400W) with X-Boost technology. Fastest AC charging with X-Stream technology: charge 0-80% in 50 mins and 0-100% in 80 mins, charge from solar in 3-6 hours with 500W solar input. Always prepared for a power outage or unexpected camping trip. DELTA 2 is powered by premium LFP batteries with 3000X charging cycles, which is 6X longer than the industry average. Long-lasting, stable, and durable.