502030 3.7V 250mAh Rechargeable Polymer Lithium Battery For LED Lights Bluetooth Earphone Driving Recorder Measuring Instruments

502030 3.7V 250mAh Rechargeable Polymer Lithium Battery for LED Lights Bluetooth Earphone Driving Recorder Measuring Instruments Product number:502030 Type: Lithium battery Capacity: 250mAh Rechargeable:YES Charging Voltage: 3.7V~4.2V Rated Voltage: 3.7V Working Temperature: -10°~50° Dimensions(L*W*H): About 30x20x5mm Built-in smart protective PCB charging module, effectively prevents over charging, over discharging, over current, short circuit. Widely used for MP3, MP4, Bluetooth speakers & headsets, GPS, remote controllers, headphone, smart watch, MID, PDA, pos machines, interphone, voice recorder, PSP, LED lamps, backup powers, electric toys and other devices with the same battery size and capacity.   Warning: 1. Please allow slight color deviation between the paper cards and the pictures shown. 2. Please keep battery out of reach of your children in case they swallow. 3. Please keep batteries in dry and cool place. 4. Do not incinerate or mutilate batteries never put it into water or fire, do not damage it or peel off the surface tube. 5.Insert into devices with the correct polarity. Do not mix different types or brands batteries 6.Avoid touch it by hands or skins if leakage of batteries. Wash the skin touched liquid by soap and water. If liquid drop into eyes, immediately rinse eyes with clean water at least 15 minutes and get medical attention if necessary.