The ISDT K4 is an excellent choice for those who fly larger builds that require 7-8s batteries.
Package Includes:
1x ISDT K4

• AC/DC Dual Modes Lipo Charger:Our lipo charger has AC 400W/DC DC600Wx2 dual input model with Independent dual channel,charging current:30AX2,Max.Input current:60A.Advanced crafty cooling air duct for high efficiency heating dissipation.K4 can acquire latest firmware upgrading,ensure the charger have optimalized performance and latest firmware all the time.
• ISDT K4 Smart Display:Full color LCD,touch panel,it will show the whole charging process for batteries,with large screen displaycan show voltage,current,charging time,mode,battery type,internal resistance and battery capacity that charged,easy setup and manual operation modes.
• K4 Charger Multi-Function:It supports BattAir BT connecting and mobile operation(Connectable via ISD Link APP
  ),comes with Li-ion and LiPO balancing,fast charging,data storage,cycle charging,discharging function.It will automatically stop charging after full charged.
• ISDT Charger Various Battery Type Compatibility:All-in-one control for LiFe,LiIon,LiPo 1~8S;LiHv,ULiHv 1~7S;Pb 1~14S;NiMH/Cd 1~18s batteries,automatic battery type identification with intelligent charge algorithm matching.
• Multi-Application: Aluminium alloy shell with good handfeel and nice apperance,our product can widely used in RC plane/RC drone,portable power,portable devices,remote control car etc.Auto adjustmentfeature on charging parameters and auto safety shut-off for best charging performance.To help extend battery life with more reasonable.

Specifications:

Input voltage: AC 100~240V / DC 10~30V

Output voltage: DC 1~30V

Max. input current: DC 35A

Charging current: 0.2~20A x2

Discharging current: 0.2~3A x2

Balance current: 1.5A/Cell Max

Max. discharging power: 30W x2

Max. charging power: AC 400W / DC 600W x2

Abnormal voltage alarm: Support

Incorrect cell count setting alarm: Support

Supported battery types and cell count: LiFe, Lilon, LiPo 1~8S, LiHv 1-8S, Pb 1-12S, NiMH/Cd 1-16S

Parallel charging power and current: 800W/35A

Parallel discharge power and current: 30W/3A

Working temperature: 0~40

Storage temperature: -20~60

Dimension: 142x135x64mm

Weight: About 700g