14500 wireless mouse rechargeable lithium battery ,3.7v 500mAh small audio battery Voltage:3.7V Capacity:500mAh Dimension:14*48mm Type:Li-ion Charging current:0.5A Weight:15g Residence:≤80Ω 14500 battery can be customized to all kinds of battery packs according to requirements Fit for:Flashlights, skin coolers, laser pens, Bluetooth speakers, fishing boats, emergency lights, massagers, power equipment, electronic toys, model aircraft, power tools, backup power, medical equipment, etc  Battery …