TeckNet PowerPulse P2 USB Portable Charger 3200mAh External Battery Pack Power Bank with BLUETEK&trade; Smart Charging Technology and Ultra Bright Flashlight for Phones, Tablets and More Cutting-edge BLUETEK technology identifies compatibility with Android, Apple and other devices to optimise charge speeds of up to 1A 93% charging efficiency: This discreet power bank boasts 93% charging efficiency and an energy efficiency rate 5-10% above other 3200mAh batteries 3,200mAh capacity adds more than a full charge or 11 hours of additional talk time. Most phones will benefit from 1 full charge or 108+ hours of audio playback Compact and lightweight design (111 x 24 x 24mm) fits easily into your pocket or bag. Powerful, extremely durable 3W, 150 Lumen LED torch Constructed using LG Grade A cells and premium quality microchips. 3 LED power status indicator system: red (&lt;30%), yellow (30%-60%), green (60%-100%)