The RC car charger 7.4V is specifically designed to provide the right amount The Maximum Output Current: 2A; Board Size: 36 X 17 X 14mm/1.42 X 0.67 X 0.55inch(L*W*H). Please adjust the potentiometer counterclockwise 20 laps or more (Let potentiometer against your chest, counterclockwise turn boost) Package Included: 10 X MT3608 DC Voltage Regulator Board Gel Blaster Gun 7.4V Charger For Splatter Ball Gun, Gel Blaster, Axial Gel Gun MT3608 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. 7.4V, 3 Pin] Charger for Gel Blaster, Splatter Ball Gun, Orby Gun, Orbeez Gel Gun, SCX24 RC Car, Drone - XH-3P 2S Lipo Battery USB Charger Cable 2-Pack Brand Mini DC-DC step up voltage regulator with DC 2-24V input and 5V-28V output,just connected with USB power adapter then you can get 9V 12V 18V 24V voltge. Widely used for storage battery, power transformers, DIY adjustable regulated power supply, industrial equipment, 5V, 9V, 12V, 28V output, etc. Splatrball Gun Charger Power Up Your Fun: 2-Pack 3-Pin