Welltop&reg; 6Pcs ICR 3.7V 14500 2000mah Rechargeable Lithium Battery for LED flashlight Torch with battery charger 6 Pack of Model-14500 Li-ion Rechargeable batteri Size: Approx. 5.0cm x 1.4cm Voltage: 3.7V Fit for camera, MP3/MP4 Player, electronic toys and other electronic devices Dimensions: 5 x 1.4 cm / 1.97 x 0.55 inch (H x Dia.)