Hot Selling 4000mAh Portable Battery Charger for Smartphone Power Bank

Hot Selling 4000mAh Portable Battery Charger for Smartphone Power BankBattery type: Lithium battery(2PCS of 18650)Battery capacity: 4000mAVoltage:Input: DC5.0V/1.0AOutput1: DC5.0V/1.0ACharge time: 4-5 hoursLife span(Cycle life): ≥ 500 timesUSB type:Input interface: Micro USBOutput interface: USB 2.0Battery level indicator light: YesSafaty:Safety function 1: Support intelligent charging; Automatic identification when loadingSafety function 2: Multiple protection circuit scheme (over-charge, over-discharge, over-current, over-voltage, short-circuit, overload, etc. )Additional functions: Headlamp with LEDproducts show:Applications:Mobile phone, iPad, iPod, camera, video camera, game console, MP3, MP4, PSP, PDA, etc.Transfer efficiency: 90%Operating temperature: -10-40Storage temperature: -20-50Size & Package:Dimention: 97X43.5X25(mm)Weight: 125g goods in kind prevailShell: Aluminium alloy ( or custom-made)Color: Gray/blue/red/gold/black(or custom-made)Package: Custom-madeOther choices:Why choose us?1. Professional manufacturer with the experience of 9 years for producing & 5 years for exporting, etc.2. Factory direct sales with competitive price but high quality3. Many certifications, e. G.: UL/CE/FCC/CB/RoHS/NSAI/MSDS/IOS9001: 2008, etc.4. Quick response5. Small MOQ6. Strong OEM/ODM ability7. 10 minutes to airport8. Best serviceShenzhen Xingyuan Senva Technology Co., LtdAsaleadingmanufacturerofswitchingpowersupplies,wesupplyAC/DCadapter,desktoppoweradapter,wallmountadapter,LEDpowersupply,securitypoweradapter,USBcarcharger,USBpoweradapter.Ifyouareinterestedin Senva`sproducts,welcometocontactusformoredetails!Contactname:Cindy Lee