$16 with coupon for 3400mAh power bank external battery 5 Battery Charger QC 2.0 LED from Lightinthebox

Xiaomi LED 240Lm Minimalist Portable Flashlight with Built-in Lithium-ion Battery Charger (3350mAh)-WHITE

Description
Finally coming! The Xiaomi Flashlight features minimalist design as always but with powerful functions! Just looks like a cylinder, simple and clean.
You can just rotate the lamp cap slightly to enjoy different levels of brightness that the innovative 11 adjustable modes bring. With SOS function, it is definitely a reliable companion when you take part in outdoor activities.

Minimalist design as always
– White body goes with silver lamp cap, just looks like a cylinder, simple and clean

Flashlight + power bank
– Can charge for the mainstream equipment, such as your mobile phone or tablet

Intelligent temperature control function
– Automatically reducing brightness for safe use, in the case of prolonged continuous use and the temperature going up

Special function key for SOS
– Click quickly the key at bottom three times to open the SOS mode

Specifications
● Light source: LED
● Color temperature: white light
● Battery: built-in lithium-ion battery
● Battery capacity: 3350mAh
● 11-mode for adjustable brightness
● Working time: 12h ( daily use ) / 216min ( highlight brightness )
● Working Voltage: 5V / 1A
● Charger Input Voltage: 5V / 1A
● Body Material: Aluminium Alloy