Great gift idea for your next ¡°powerful promotion, your client will love to charge their devices with our universal powerbank! Our universal powerbank chargers are small and compact making them great for charging your electronic devices while on-the-go, especially when you are running low on power Input: DC 5V/500mA, Output: DC 5V/1A Available Capacity: 1800mAh / 2000mAh / 2200mAh / 2600mAh. 3.64" L x 0.88" D