Thin 4000mAh Portable Power Bank Battery Display External USB Charger E39 with Over Current Protection for Phone Tablet

SDL portable Power Bank has digital high composite security technology, 10 protections of intelligent composite security design, intelligent multi USB output, intelligent self-adaptive system, intelligent sleeping function, last but not least, high quality battery cell.
We always do our best to make each power bank becomes your best choice.

Thin 4000mAh Portable Power Bank Battery Display External USB Charger E39 with Over Current Protection for Phone Tablet

Global digital high composite security technology. 10 protections of intelligent composite security design

1. Over Charging Protection - prevent battery from over charging; 2. Over Discharging Protection - prevent battery from over discharging; 3. Over Voltage Protection - prevent battery from too high chargeing/discharging voltage; 4. Over Current Protection - prevent battery from high current; 5. Over Power Protection - prevent battery from overpower; 6. High Temperature Protection - prevent battery from high temperature; 7. Short Circuit Protection - auto-protect the unit if short circuit happen; 8. Recover Protection - if any unstable environmental influence press the power key to reset; 9. Anti-Plug protection - circuit will stop working to protect the device when plug is reversed; 10. Electronmagnetic Protection - protection the device working properly from extermal electromagnetic influence

SDL power bank support multi USB output, which can charge 2 devices at the same time. One power bank for multi electronics. One power bank for multi electronics. SDL power bank can identify USB device and compartible with most brands of mobile phone and tablet, such as iphone, ipad, samsung, htc, motorola, xiaomi, nokia etc.
Besides, SDL power bank can charge all digital devices which has 5V input. Such as digital camera, PSP, MP3, MP4 etc.SDL power bank can auto turn to sleeping mode to minimize battery power wastage when the unit stop working for 60 seconds. SDL power bank can charge your devices properly even leave it unused for one year long. SDL power bank use high quality batter cell with features of ling cycle life, stable, low working temperature, high charging retention rate etc.
Such as anti shock, wear resistance, unbreak, corrosion resistance, fireproofing, unleaed non-toxic.
High quality power bank, begin with high quality battery cell.power bank specification, details and size. power bank accessory and packing

power bank color, power bank specification, power bank size, power bank details.

Shenzhen SDL Electronic Technology Co.,Ltd., established in 2005, is a professional manufacturer which specializes in the research and manufacture of power bank, lithium-Ion batteries and AC adaptors.

The company covers an area of 5,000 square meters and employs more than 200 people. Our monthly production capacity is about 3 million pieces. We offer our clients with high quality products and one-station services. Our products have RoHS, UL, FCC, CCC, CE, and EK certifications.

Our factory has advanced machines such as laser cutters, injection molding machines and dust-free workshop to deal with the whole process in house. Based on years of strong R&D and manufacturing ability, OEM service is welcomed. We are looking forward to cooperation with you for long term business.

Our vision is to be a respected manufacturer satisfied dynamic life of people (SDL) and to be a manufacturer more eco-friendly for our environment.