(Lithium Polymer) Lipo 7.4V 4000mAH Rechargeable Power Bank Battery are Flat,thin, light and powerful.This battery has a capacity of 4000mAH. These Batteries are widely used in GPS, DVD, ipod, Tablet PC, MP4 Player, Power Bank, Mobile Backup Power Supply, Bluetooth Speaker, IOT  and other DIY and Industrial applications.
 

Features:

• 7.4V 4000mAhLipo Rechargeable Power Bank Battery

• High quality and high capacity

• Built-in protection circuit PCM for prevent over charging or over discharging

Specifications:

• 2X Lipo 7.4V 4000mAh cells (2S1P)

• Charging current: standard charging, fast charging: 1C: 0.5C

• Standard charging method: 0.5C(constant current) charge to 8.5V, then (constant voltage 8.4V) charge till charge current is less than or equal to 0.05C.

• The maximum charge current: 1C

• Maximum discharge current: 1C

• Discharge cut-off voltage: 5.5V

• The discharge temperature: -20 degrees C~+60 degrees C

• Protection function: over charge, over discharge, over current, short circuit protection, over temperature protection

Applications:

• Communication: cellular phone, web phone, interphone, Bluetooth earphone.

• Office devices: Notebook, PDA, portable electrograph, portable printer.

• Video devices: GPS, digital camera, camcorder, portable DVD, portable television, MP3, MP4.

• Portable exchange devices: POS, Handy, Fingerprint machine, portable stock machine.

• Illuminate devices: miner lamp, searchlight.

• Others: toys, models.

Package include:

• 1 x Lithium Polymer ( LiPo) 7.4V 4000mAh Rechargeable Power Bank Battery Pack with Inbuilt Charge Protection