https://youtu.be/wqxaqOLo6OsThe iSDT line of chargers has proven to become a staple within the R/C community, meeting a wide variety of charging requirements, while doing so at a budget friendly price. The K4 is no different, delivering ample performance for most, a wide feature set, and simplicity that you come to expect from iSDT. 

The K4 duo charger can charge two batteries at once, and features both AC or DC input, so you can take it anywhere (or no where) to charge a wide type of R/C batteries! It's AC (100-240V) performance is healthy, delivering up to 600W at each port to power your batteries! 

• BattAir Interconnection Technology (with compatible BattAir supported batteries)
• Dual Output Charging
• AC/DC Input
• Up to 600W AC output (each channel)