Shenzhen Resky Electronics Co., Ltd.
                                                                                                           
Verified Supplier
14 Years
Since 2012
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Lithium Ion Battery Pack 104050 3.7v 7.4v 2500mAh 9.25wh Rechargeable Solar Lipo Batteries

Price Negotiable
Price: Negotiable
MOQ: 100pcs
Delivery Time: 7-10days
Brand: RESKY
Product Description
Lithium Ion Battery Pack 104050 3.7v 7.4v 2500mAh 9.25wh Rechargeable Solar Lipo Batteries
Li-Ion Battery Cell 104050 3.7v 7.4v 2500mAh 9.25wh Rechargeable Li-Polymer Battery Pack
Product Specifications
NO. Items Specifications
1 Batteries 3.7v 2500mah lipo battery
2 Charge voltage 4.2V
3 Nominal voltage 3.7V
4 Nominal capacity 2500mAh 0.2C Discharge
5 Charge current Standard Charging:0.5C
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 1.0C
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:50±2mm (not including tabs)
Width:40±0.5mm
Thickness:10±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 ≥500times
Key Advantages
  • Compact Design: Slim and compact form factor ideal for size-sensitive wearable and handheld devices.
  • High Energy Density: 2500mAh nominal capacity with 9.25Wh energy density provides 6-12 hours of continuous power for small devices.
  • Temperature Adaptability: Wide operating temperature range supports discharge from -20℃ to 60℃.
  • Safety Features: Built-in overcharge, over-discharge, and short-circuit protection circuits with soft-pack structure for enhanced safety.
  • Long Cycle Life: Over 500 cycles under 0.5C charge/discharge conditions with ≥80% capacity retention.
  • Low Self-Discharge: Monthly self-discharge rate ≤3%, making it suitable for backup power applications.
Typical Applications
  1. Small Digital and Entertainment Devices
    • Bluetooth Speakers/Headphones: Medium capacity supports 3-8 hours of continuous playback; soft-pack design optimizes internal space layout.
    • Handheld Game Consoles/VR Accessories: High-rate discharge meets instantaneous power consumption during gaming; ultra-thin design enhances wearing comfort.
    • Action Cameras/Drones: Low-temperature performance and high-rate discharge short-distance flights.
  2. Outdoor and Thermal Equipment
    • Heated Gloves/Protective Gear
    • Outdoor Lighting Equipment: Such as headlamps and flashlights; wide operating temperature range and long battery life suitable for camping, exploration, and other scenarios.
  3. Smart Home and IoT Terminals
    • Smart Lock Backup Power: Low self-discharge ensures long standby time; ultra-thin size allows for embedding within the lock body.
    • Wireless Sensors/Surveillance Cameras: Battery power reduces wiring costs; medium capacity meets monitoring needs for weeks or even months.
Product Images

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Company Shenzhen Resky Electronics Co., Ltd.
Location Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person Alice

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