Stay charged for when you need it most whetheryou are a teenager glued to your phone, a tech savvy individual with a hundred tabs open, or a businessman on a conference call, sometimes we can run out of power when we need it most. Thankfully the Lapguard External Power Bank will keep you powered during all those crucial moments. Hassle Free Easy to Reach Warranty We believe in our products. That's why we back them all with a 12-month hassle-free manufacture warranty and provide friendly, easy-to-reach after sales support. Contact_us on: [ 8860982364 ] Convenient LED Indicator Built-in 4 LED indicators displaying battery percentage and charging status. Short press the power button, the LED indicators will light up, it's easy to know the remaining capacity. LED light Instructions Long pressed or Double Click to turn on/off the light. Lapguard Technical Details Model: Lapguard Sailing-1510 Power Bank Battery Type: Li-ion Battery Rated Capacity:13000mAH/3.6V (46.8 wh), Output Capacity : ( Power Bank Rated Capacity * Lithium-ion Cell Voltage * Efficiency ) / Power Bank Output Voltage * 100 ( 13000 *3.6* 88 ) /5*100 = ~ 8000mAH /5VInput: Micro USB 5V-2A (Max)Output: USB 5V-2.1A (Max)Size: (5.52x2.36x0.8inches) inches Weight: 270 charging Time :If adaptor 2A input then approx. 5 hour , if 1A adaptor then 10 hour and 0.5A adaptor then 20 hour charging time.