Guangzhou Serui Battery Technology Co,.Ltd
Guangzhou Serui Battery Technology Co,.Ltd Your reliable partner in Batteries
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5*20*25mm 502025 3.7V small li-polymer battery li-on polymer battery for digital products
Technical specifications:
| Battery Technology | Lithium Polymer Battery / Lipo battery |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 210mAh (at +20°C @0.2C discharge) |
| Discharge Cut off Voltage | 2.7V |
| Charge Cut off Voltage | 4.2V |
| Standard charge Current | 0.2C |
| Rapid Charge Current | 1C |
| Standard Discharge Current | 0.2C |
| Max Discharge Current | 1C |
| Operating temperature Charging | 0℃ ~ 55℃ |
| Operating temperature Discharging | -20℃ ~ 65℃ |
| Storage condition | Temperature ≤ 30℃ Humidity ≤ 75%RH |
| Dimension | 5.0*20*25mm |
| Weights | 5.3g |
Features
1. Totally safe, build with PCM/PCB, None fire,no explosion, be able to bear cruel tests without any protection such as short circuit, puncturing, etc.
2. Totally thin.Thin thickness. 0.4mm to 8mm.Dimensions can be customized according to different demands, short product development period, meeting customers’ varieties of personalized needs.
3. Low self-discharge less than 3% per month at room temperature
4. Light weight and small size.The specific energy density of each battery is 356Wh/kg, more than 50% higher than steel shell lithium battery under the condition of the same weight
5. Wide Operating Temperature Range, the battery with a strong adaptability to temperature can be in work between -20℃ ~ +60℃
6. Without voltage passivation, no activation necessary after long time storage;no memory effect.
Application
The battery have wide applications:
Portable DVDs, laptop computers, mobile phones, blue-tooth devices, MP3/MP4 players, PDA's, R/C planes, power-driven tools & toys, battery-operated bicycles/cars have already adopted LIPO-'s polymer technology.
Main applications are:
Communications equipment: mobile phone, PHS phone, Bluetooth cell phones, walkie-talkie
Information equipment: laptop computers, PDA, portable fax machines, printers
Audio-visual equipment: digital cameras, camcorders, portable DVD, VCD
Others: electric bicycles, miner's lamp.
Packaging & Shipping
Packing:
Tray bulk, Blister card, PVC shrink, Gift-Box, Nude packing, OEM packing, etc.
Shipping:
Leadtime is 3-20 working days for normal orders.
Pictures:
5*20*25mm 502025 3.7V small li-polymer battery li-on polymer battery for digital products
We can add the PCM/PCB, wire and connector on the battery according to requirement
Why Choose us?
Company Advantages:
We have been continously developing new products to meet requirements of different customers and applications since 1980. what's more, performance of batteries such as safety, energy density, temperature characteristics, discharge platform, resistance, cycle life is always improving.
Pursuing a business concept of “Quality First”, our assembly lines are certified by the Chinese military and ISO9001 quality system. We also have a fully equipped environment and reliability testing center to assure our products meeting military specifications.
High quality batteries:
Our batteries are in enough capacity, and lower in RI. Before shipment, we will 100% inspect and ensure battery quality well approved by our clients.
Better service:
Professional and experienced engineers can provide satisfied perfect solutions to customers. New designs can lead to actual products within 15days.A professional,dedicated and well known technical& marketing team with the ability to identify,support and serve our customers with diamante service.
We always offer customers with highest quality, reasonable price and intimate after-service to support them on marketing developing. It is our wish to obtain muti-benefit with global users through OEM and ODM business.
Our Certifications:
Our Workshop
Look at those pictures. To make sure the producing environment is total dry, we introduced foreign technology and machine. This drying system comes from Denmark; it can generate 54500CBM dry air per hour.
It owns modern produce equipment and rater complete necessary facilities.
Meanwhile we have many automatic machines; this is our automatic voltage test machine. Those modern production equipments laid a solid foundation for producing high-quality products.
We participate in a variety of trade fairs every year.On Electronics Show we discuss with customers about our products and help them solve questions face to face.We have established contacts with many potential buyers from other places as America,Australia, Belgium, Israel,Germany,the Netherlands, Canada etc.