Product Information:
1. Rated capacity:4000mAh
2.Charging Methods:CC/CV
3.Input Voltage:5.0-5.5V
4.Output Voltage:5.35V
5.maximum charging current:1000 mA
6.Maximum charging current:1000mA
7.Battery lifespan:charge-discharge cycles 500times
8.Super waterproof level:IPX4
9.Super dust-proof and drop-proof function
10.Internal built-in 4000mAh li-polymer battery
11.Outer 1.2 W power monocrystalline silicon solar panels,Super absorption rate
12.Environmental Silicone shell:ABS+PC+fire proof plastic shell
13.Use superbright LED light and SOS emergency signal light
14.Internal dual USB ports
Matters need attention:

1.Solar panel it needs to attention before charging,if use solar panel to charge,power display light can't be more than three lights.After more than 4LED lights please don't use solar panel to charge,to protect internal battery won't damage under high temperature.

2.Please note when use charger to charge,should choose qualified current, not less than 1A charger to charge this power bank.

3.This product can prevent water,not support soaking in water and diving. Features:compatible with 99% smartphones in market,super power conversion rate.

Technical Information:

• 1.Super strong waterproof level IPX4,super strong dustproof and drop proof function.
• 2.Internal 5000mah li-polymer battery and dual usb ports,outside 1.2W big power single crystal silicon solar panel,Super absorption rate.
• 3.Environmental silicone shell,ABS+PC+fire proof material silicone shell make it safe for using.
• 4.Use super strong led light and SOS emergency signal light,can help you when in emergency.
• 5.Match with climbing button carabiner,can hang on backpack.Suit for Iphone/Andriod smartphone,Ipad/GPS/Camera ETC.

Detailed Pictures: