The BatPower ProE 2 Max 90W charging for Surface Book 2, Book, Laptop 1 / 2, Surface Go, Surface ProX Pro7 Pro6 Pro5 Pro4 Pro3 Pro2 Pro1 RT and Surface 3... Charges for Surface Pro3 approach 2 times, iPad Mini 1 approach 4.0 times, iPhone 10 times and Samsung Galaxy S6 approach 8 times. Recharges in around 2.5-3.5 hours via BatPower S90 or S120 Slim adapter (S90 Adapter included). ES10 size: 7.2 inches (L) x 3.2 inches (W) x 0.7 inches (H) Weight: 20 ounces.