Features:

- Double 8.4v / 4.2v lithium rechargeable single
- Programmable charge current. 0. 1A-2A
- Programmable steady precharge current 10% -100%.
- Wide operating voltage, maximum reach I8V
- Red and green LED charge status indicator
- Chip temperature protection, overcurrent protection, undervoltage protection
- Battery temperature protection, reverse battery shutdown, short circuit protection
- Switching frequency 400Khz, usable inductance 20uH and more
- PWR_ON Power battery for switching control


Maximum Ratings:

- Static input supply voltage (VlN): 20V
- BAI: -8.4V-20V
- BAT Short-Circuit Duration: Continuous
- Operating environment Temperature range: -40 ° -85 °
- Storage temperature range: -65 ° - 125 °


Application:

- Portable equipment, various chargers
- Smartphone, PDA, mobile cellular telephone
- MP4, MP5 players, tablets
- HM
- Power Tools
- Walkie-talkie

Default shipping settings: 4.2V 2A. The board has with LED, and LED's external reserve position.

Size: 25 * 17 * 5mm ultra-small size
Input voltage: 5-18V DC power supply
Charge status: full and unloaded blue lights, charging red.