Amazon.com: Battery Charger Replacement Power Tool Accessories NTC Temperature Control for Hilti 12V C4/12‑50 100‑240V 5℃~40℃ Red(US Plug) : Tools & Home Improvement
Amazon.com : HIlti 2076996 Battery charger C 4/12-50 115V cordless systems : Tools & Home Improvement
C 4-22 Nuron compact charger - Cordless Tool Chargers - Hilti USA
Hilti Charger, C4/36-350 Lithium Battery Charger, Input Voltage 220v, Charging 14.4v-36v (original, Second-hand Products). - Tool Parts - AliExpress