ON THE WAY&reg;1Pcs Multifunctional 3.7V18650 14500 16430 Battery Charger for Rechargeable Batteries 100-240V Slim and portable design High quality and good performance. Input : AC100-240V 50/60Hz 500mAmax Output: DC 4.2V- 1A * 2 Designed to charge your batteries quickly and safely.