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High-performance rechargeable lithium polymer battery designed for Bluetooth headsets and various small electronic devices.
Technical Specifications
Battery Type
3.7V 850mAh LiPo Battery
Charge Voltage
4.2V
Nominal Voltage
3.7V
Nominal Capacity
850mAh (0.2C Discharge)
Charge Current
Standard: 0.5C Rapid: 1.0C
Standard Charging Method
0.5C CC charge to 4.2V, then CV charge till current ≤0.05C
Charging Time
Standard: 2.75 hours Rapid: 2 hours
Max. Charge Current
1.0C
Max. Discharge Current
1.0C
Discharge Cut-off Voltage
2.75V (0.2C)
Operating Temperature
Charging: 0°C ~ 45°C Discharging: 0°C ~ 45°C
Storage Temperature
-10°C ~ +45°C
Dimensions
Length: 43±2mm Width: 34±0.5mm Thickness: 6±0.2mm
Drop Test
1m drop onto concrete twice - no fire, no leakage
Cycle Life
≥500 cycles
Advantages vs 3.2V LiFePO4 Batteries
Higher Nominal Voltage: 3.7V lithium polymer provides higher working voltage than 3.2V LiFePO4, delivering stronger power output and better performance in small electronics.
Higher Energy Density: Traditional 3.7V li-polymer offers higher capacity and energy density in the same dimensions, supporting longer runtime for compact devices.
Wider Application Compatibility: Matches the charging and discharging logic of most small smart devices, with better compatibility and simpler circuit design.
Mature Mass Production: Stable supply chain, lower cost, and higher consistency for mass production compared to LiFePO4 polymer in small-capacity sizes.
Better Low-Temperature Performance: Performs more stably in cold environments than most 3.2V LiFePO4 batteries, making it suitable for outdoor and portable devices.
Applications
Bluetooth Devices: Speakers, headsets, remote controls
Beauty & Personal Care: Facial brushes, beauty devices, hydrating devices
Personal Care Appliances: Electric toothbrushes, shavers, hair clippers
Entertainment & Office: MP3/MP4 players, portable projectors, wireless mice
Lighting & Outdoor: Nightlights, camping lights, fishing lights, mini power banks
Pet Equipment: Dog trainers, pet trackers
Advantages of Lithium Polymer Batteries
Flexible shape customization
Lightweight & slim profile
High safety with soft pouch structure
Low self-discharge rate
Long cycle life
No memory effect
Stable discharge performance
Suitable for miniaturized smart devices
Easy to integrate with wires & connectors
Full certifications available: IEC62133, UN38.3, CE, RoHS
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2012
Total Annual:
500000-1000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ... Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ...
