ZEFS--ESD Electronic Module Double Single Lithium Battery Charge Management Compatible 2A Rechargeable Lithium Plate 18650 Module 4.2V 8.4V

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 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 - Power Tools - Walkie-talkie