3.7V 5200mAh Li-Ion Rechargeable Battery Pack (JST-2P Connector)

Power your devices with confidence using this high-capacity 5200mAh lithium-ion battery pack, engineered for long-lasting performance, stability, and reliability across a wide range of 3.7V–4.2V electronics.

⚡ Key Features

• 🔋 High Capacity Power
  • 2600mah/  delivers extended runtime for your devices
  • Perfect for high-drain applications
• 📈 Consistent Performance
  • Stable voltage output with low internal resistance (18mΩ)
  • Ensures smooth and efficient operation
• 🔄 Long Cycle Life
  • Retains up to 85% capacity after 300 charge cycles
  • Built for durability and repeated use
• 🧩 Wide Compatibility
  • Designed for 3.7V–4.2V devices, including:
    • Bluetooth speakers
    • DIY electronics projects
    • RC cars, trucks, boats & stunt cars
    • Solar outdoor lights
    • Medical equipment
    • Power tools

📏 Specifications

• Battery Type: Lithium-Ion (Li-ion)
• Voltage: 3.7V
• Capacity: 2600mAh
• Energy: 19.24Wh
• Dimensions: 66 x 37 x 20 mm (2.6 x 1.45 x 0.78 in)
• Weight: 98g
• Connector Type: JST-2P
• Cable Length: 5 cm (2 in)

⚠️ Important Compatibility Notice

🚨 This battery is NOT universal. Please verify before purchasing:

• Battery dimensions
• Connector type (JST-2P)
• Connector size
• Polarity (must match your device exactly)

❗ Incorrect polarity can cause short circuits or damage to your device.

📦 What’s Included

• 1 × 2600mAh 3.7V Li-Ion Rechargeable Battery Pack

💡 Why Choose This Battery?

• • Reliable power for DIY and replacement needs
  • Long-lasting performance with high cycle efficiency
  • Compact design with strong output
  • Ideal upgrade for extended device runtime