Amazon.com: Battery Charger For Hilti, Portable C 4/12-50 12V Lithium Power Tools Battery Charger, 48W Fast Charging With Dual LED Systems & USB Port Cordless Battery Pack Charger For Hilti 12 Volt
C4/36-90 Compact charger - Cordless Tool Chargers - Hilti USA
HIlti 2076996 3V 13V Battery charger C4/12 50 115V cordless systems DC Power supply for battery pack B12/2.6|Power Tool Accessories| - AliExpress
Battery Charger Replacement Power Tool Accessories NTC Temperature Control for Hilti 12V C4/12‑50 100‑240V 5℃~40℃ Red(US PLUG) - - Amazon.com
Second-hand original Sherida/HILTI C4/3690 lithium new 220V charger 14.4v-36v - AliExpress Tools