Charger specification: Input Voltage: 120VAC/220--240VAC 50/60Hz Power: 2--10VA MAX Input plug: Europe /U. S. A. Output mode: DC wire connect Size: 73*43*22mm Charger LED show Salmon pink: Power Red: Chargeing Green: FULL charged Control method -V, 0V, Max Time Transformer power MODEL/ specification: NO Model Input Voltage Output Charging current Output plug 1 JS-S10503 120VAC; 220-240VAC 3.6V 500mA 5.5*2.1 2 JS-S10504 120VAC; 220-240VAC 4.8V 500mA 5.5*2.1 3 JS-S10505 120VAC; 220-240VAC 6.0V 500mA 5.5*2.1 4 JS-S10506 120VAC; 220-240VAC 7.2V 500mA 5.5*2.1 5 JS-S10507 120VAC; 220-240VAC 8.4V 500mA 5.5*2.1 6 JS-S10508 120VAC; 220-240VAC 9.6V 500mA 5.5*2.1 7 JS-S10509 120VAC; 220-240VAC 10.8V 500mA 5.5*2.1 8 JS-S105010 120VAC; 220-240VAC 12.0V 500mA 5.5*2.1