xsl 3.7v 602530 450mah lithium ion polymer battery for mp4 mp5 gps psp smart watch driving recorder

model: 602530 type: lithium polymer battery capacity: 450mah rechargeable: yes charging voltage: 4.2v rated voltage: 3.7v working temperature: -20°~50° precautions 1. please allow small size deviation due to body measurement. 2. before bidding, please ensure the battery space of your device. we recommend that you buy a smaller size battery. 3. please keep children away from the battery to prevent children from swallowing it by mistake. 4. when the battery is not in use, it should be taken out of the device. 5. do not connect the red wire and the black wire to avoid a short circuit after the battery is charged.