Small Size, Big Power: An astonishingly compact portable charger that provides 2.5 charges for Galaxy S10, or 2.4 for iPhone XS. Recharges in 5.5 hours with a 5V/2A charger. Certified Safe: Anker’s MultiProtect safety system provides superior protection for you and your devices. Double Duty: Dual 12W output ports allow simultaneous charging of your devices – without sacrificing charging speeds.