The EGO 2.2kWh (40Ah) High-Capacity Battery enables off-grid charging of smaller EGO 56V ARC Lithium™ batteries via the PGX™ Commercial Charging Power Bank (required for use, available separately). When fully charged from the PGX™ Commercial Charging 1600W Hub, the 56V High-Capacity Battery can recharge more than 30Ah of smaller batteries through the Power Bank’s dual 700W ports. From zero, the High-Capacity Battery can fully recharge two 2.5Ah batteries in as little as 30 minutes, two 4.0Ah batteries in 30 minutes, two 5.0Ah batteries in 30 minutes, two 6.0Ah batteries in 35 minutes, two 7.5Ah batteries in 45 minutes, two 8.0Ah batteries in 50 minutes, two 10.0Ah batteries in 60 minutes, and two 12.0Ah batteries in 75 minutes (all charge times are approximate). From zero the High-Capacity Battery will fully recharge via the 1600W Hub in 120 minutes.