Modify Hilti Charger C4-12/50 from 110v to 220v . Chuyển điện 220v cho sạc Hilti C4-12/50

This video will show you how to convert Hilti Charger C4-12/50 US 110v to EU 220v in simple three steps:
Step 1. Remove link
Step 2. Replace Original Varistor by Varistor 10D471K or 14D471K
Step 3. Add 2 varistors 150K.
This is an electrical device. Electric shock can occur if you don't know what you're doing. BE CAREFULL!

[@edmundtan79]

For the C4/36 350W model just follow the step 3 (ignore step 1 & 2?) add the 2pcs 150KOhm resistor to the back of the PCB then uses it in 230V? Can uses a 300K instead? Wattage for the resistor needed?

[@Tominko22]

Hello. Don't know the procedure for Hilti C4 / 36 350 W model? thanks

[@procedure29]

Step 3. resistor ? ;)