1. Power bank capacity: 5000mAh 18.5Wh, so it is convenient to charge your devices while travelling. 2. Input: Micro-USB: 5V / 1A Max. 3. Output: USB 1 / 2: DC5V / 1A Max. 4. LED digital display for power level (with button activation), therefore you can check remaining power level anytime. 5. Battery: energy-efficient A+ polymer battery. 6. Power bank material: ABS+PC flame retardant, hence battery is durable. 7. Multiple circuit protection provide safety charging, so forget about worries. 8. Size: 121 * 67 * 9.5mm, weight: 104g.