SP21500 Cylindrical Lithium-Ion Polymer Battery 3.7V 2000mAh 7.40Wh (Rechargeable Li-Ion Cell)
The SP21500 Cylindrical Lithium-Ion Polymer Battery is a high-performance rechargeable lithium-ion cell designed for portable electronic devices, battery packs, LED lighting, medical equipment, backup power systems, and DIY electronics. It features a 3.7V nominal voltage, 7.40Wh energy capacity, and approximately 2000mAh capacity, providing stable power output, high energy density, and long cycle life.
Marked with GB1901 and 15A112, this cylindrical rechargeable cell is suitable for custom battery pack assemblies and a wide range of industrial and consumer electronic applications.
Key Features -
• Cylindrical lithium-ion polymer rechargeable battery
• 3.7V nominal voltage
• 7.40Wh energy capacity
• Approximately 2000mAh capacity
• High energy density
• Long charge and discharge cycle life
• Low self-discharge rate
• Stable discharge performance
Specifications -
• Product Type: Rechargeable Lithium-Ion Battery
• Model: SP21500
• Battery Size: 21500 Cylindrical Cell
• Battery Chemistry: Lithium-Ion Polymer (Li-Ion)
• Nominal Voltage: 3.7V
• Energy Rating: 7.40Wh
• Capacity: Approximately 2000mAh
• Marking: GB1901, 15A112
• Rechargeable: Yes
• Cell Shape: Cylindrical
• Protection Circuit: Depends on Battery Variant
• Mounting Type: Battery Holder or Spot Weld Assembly
• Additional Features: High energy density, low self-discharge, long cycle life
Applications -
• Battery pack assemblies
• Portable electronic devices
• LED lighting systems
• Medical equipment
• Backup power systems
• Industrial electronic equipment
• Energy storage systems
• DIY electronic projects