Expandable 1-5 kWh capacity with DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery, or DELTA 2 Max Extra Battery.1800W AC output, with 2400W (3600W surge) using X-Boost technology.5 fast recharging methods: AC, Solar, 800W Alternator Charger, Smart Generator 3000 (Dual Fuel), and Multi-charging.5-year warranty.
