For SkyCaddie Golf SG1 SG2 SG5 SG2.5 Plug-in Car Charger Charges the battery on your device while driving Comes with Intelligent Chip 34063 (Prevents overcharging and overheating) IC Chip recognizes a full battery & automatically switches to saver mode Can be used with input voltages from 12V to 24V DC (both car & truck) Comes with LED charging indicator