Get serious home backup and off-grid performance with the DELTA Pro 3 + 400W Portable Solar Panel bundle available in 1× 400W or 2× 400W solar panel configurations for faster renewable charging . DELTA Pro 3 delivers a powerful 4000W output to run most appliances at 120V or 240V, with expandable capacity up to 48kWh—enough for a week of essential power.
 
Recharge at industry-leading speeds with up to 7000W charging, reaching 0–80% in just 50 minutes (with one Extra Battery). For solar, enjoy up to 2600W dual-PV input for fast, efficient charging. Built for reliability with an 11-year LFP battery, IP65 protection, and an online UPS with 10 ms transfer time for seamless, always-on power.