Fikida new 502030 polymer lithium-ion battery 3.7v 300mAh MP3 MP4 MP5 toy rechargeable can be wholesale | Электроника

Fikida 300mAh 3.7v lithium polymer battery with protective plate is more secure   Model: 502030 Product size: thickness width of 5x20x30mm Battery capacity: 300mAh Nominal voltage: 3.7V Charging current: standard charging: 0.2c; Quick charging: 0.5c Standard charging method: 0.2c CC (constant current) is charged to 4.25v, and then CV (constant pressure 4.2v) is charged to 0.05c Maximum charging current: 0.5c Continuous discharge current: 0.5c Maximum discharge current: 1C Discharge cut-off voltage: 2.75V Discharge temperature: -20 c ~ + 60 c Charging time: 12 hours (standard); 3 hours (quick) Charge and discharge times: more than 500 times Self-discharging: < 400uA Guard plate parameter Current: 1.5 A Limit protection: 2~3A Overcharge pressure: 4.2 + /-0.05V Overdischarge pressure limit: 2.9 + /-0.10V   * the measured capacity is slightly lower than the nominal capacity of the battery due to the ultimate pressure of the overdischarge guard.   Battery with protective plate to prevent overcharge, overdischarge, overcurrent, short circuit and other functions.   This product is mainly used in bluetooth headset, smart watch, watch, mobile phone, tablet computer (MID), PDA, mobile standby power, MP3, MP4, mobile speaker, bluetooth speaker, power amplifier, navigation system (GPS), car recorder, mobile phone, toy and other electronic equipment. ​Warning:   • reverse charging is not allowed and the battery should be properly connected via polarity and should not be reversed.   • don't allow a short circuit, which can cause permanent damage.   • batteries cannot be used in extreme conditions such as extreme temperature, deep cycle, extreme overcharge and overdischarge.   • if large Numbers of batteries must be stored or transported to discharge first, store them in a cool, dry place.   • do not directly weld batteries.   • if the battery has noise, high temperature, leakage and other abnormal conditions, please stop using immediately.   • do not catch fire or try to open the battery may burn or harmful substances.   • do not use old batteries or use half of the new batteries together, or it will cause excessive discharge.   • do not cut the case and remove the battery outer tube.   • do not put the battery into water.   Note:   • charge the battery before using the power supply.   • charge according to our technical specifications.   • use the appropriate charger.   • the battery should avoid sealing and should be properly ventilated, otherwise the battery may produce hydrogen in the presence of a ignition source and cause an explosion.   • don't try to separate or withstand compression and collision battery packs that can cause the battery to heat, burn, spill alkaline electrolyte can damage the skin, and the eye can corrode clothing.   • keep the battery away from the child. If swallowed, contact your doctor immediately for treatment.   • when not using the battery, remove it from the device.   • when using the new battery for the first time after long-term storage or use, please recharge the battery before use.   • do not touch the battery until it is hot.   • turn off the device when the battery is found to reduce energy use to avoid excessive discharge.   • when pulling out the battery pack, the battery terminal should hold the line instead of holding it.   • if the battery is hot after charging, place it in a ventilated area before recharging, and do not allow direct sunlight to cool.