Product Description Specifications This lightweight, solar power bank features; an A Grade Lithium-Polymer battery with 4000 mAh capacity, Dual USB output, LED indicator, built-in protection functions to stabilise the output voltage and prevent over charging or short circuit. Suitable for smartphones, tablets, cameras and any other 5V DC powered device. USB to Micro USB charge cable and user manual included. Product Size: 142 x 75 x 13.6 mm Branding Area: 55 x 25 mm Standard Packaging: White Box Certification: CE, FCC, RoHS, SDS, UN38.3 Specifications: 4200 mAh (15.54 Wh) Lithium polymer battery, Micro USB Input: DC 5V @ 1A, Dual USB Output: DC 5V @ 1A/2.1A, Battery Charge Time: 4-5 hours, Number of Device Charges: iPhone 11 (79%), iPad 10.2 (30%), Samsung S20 (60%), Charge Cycle > 500 times. Mater Standard Accessories: Micro USB Charge Cable, User Manual