Shenzhen Resky Electronics Co., Ltd.
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Rechargeable Power Lithium Battery Cell 502030 3.7V 250mAh Lipo Battery For Smart Watch
| NO. | Items | Specifications |
| 1 | batteries | 3.7v 250mah lipo battery |
| 2 | Charge voltage | 4.2V |
| 3 | Nominal voltage | 3.7V |
| 4 | Nominal capacity | 250mAh 0.2C Discharge |
| 5 | Charge current | Standard Charging:0.2C Rapid charge: 1.0C |
| 6 | Standard Charging method | 0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C |
| 7 | Charging time | Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
| 8 | Max.charge current | 0.5C |
| 9 | Max.discharge current | 1.0C |
| 10 | Discharge cut-off voltage | 2.5V0.25V(0.2C) |
| 11 | Operating temperature | Charging: 0 °C ~45 °C Discharging:0 °C ~45 °C |
| 12 | Storage temperature | -10°C~ +45 °C |
| 13 | Dimension | Length:30±0.5mm (not including tabs) Width:20±0.5mm Thickness:5±0.2mm |
| 14 | Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
| 15 | cycle time | ≥800times |
Compact Size and Lightweight: The 502030 size indicates its relatively small dimensions, making it suitable for applications where space and weight are critical factors. It can be easily integrated into small - scale devices without adding significant bulk or weight.
High Energy Density: Li - Po batteries in general have a high energy density, and the 502030 3.7V 250mAh cell is no exception. It can store a relatively large amount of energy in a small volume, providing a decent power supply for the device it powers.
Low Self - Discharge Rate: It has a relatively low self - discharge rate compared to some other battery chemistries. This means that when the battery is not in use, it will retain its charge for a longer period, reducing the need for frequent recharging.
Good Cycle Life: With proper charging and discharging procedures, this Li - Po battery cell can undergo a significant number of charge - discharge cycles before its performance starts to degrade. This makes it a cost - effective option in the long run.
Stable Voltage Output: It provides a relatively stable voltage output during discharge, which is important for ensuring the proper operation of electronic devices. Stable voltage helps to prevent fluctuations that could affect the performance or even damage the connected electronics.
Portable Electronics: Such as small - format digital cameras, MP3 players, and portable gaming devices. The compact size and lightweight nature of the 502030 battery make it an ideal power source for these types of portable electronics, allowing them to be more compact and easily carried around.
Wireless Sensors: In applications like environmental sensors, wearable health monitors, and IoT (Internet of Things) devices. The high energy density and small size of the battery enable these sensors to operate for extended periods without the need for frequent battery replacements, and their lightweight helps in the design of unobtrusive and portable sensor devices.
RC (Radio - Controlled) Toys: Small - scale RC toys such as mini - drones, RC cars, and helicopters can benefit from the use of 502030 Li - Po battery cells. The high - power output capabilities of Li - Po batteries allow these toys to perform well, and the compact size and lightweight contribute to the overall agility and performance of the RC models.
Electronic Gadgets and Accessories: For example, wireless earbuds, portable Bluetooth speakers, and some types of smartwatches. The 502030 battery can provide the necessary power in a small form factor, enabling these gadgets to be designed with a sleek and compact appearance while still offering sufficient battery life for practical use.
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