XTAR 26650 3.7V 5200mAh Protected Li-Ion Rechargeable Battery (Button Top)

The XTAR 26650 3.7V 5200mAh BT is a high-capacity, protected lithium-ion rechargeable battery designed for demanding applications. With a robust 5200mAh capacity and integrated protection circuit, it delivers reliable, safe power for high-drain devices such as flashlights, power tools, and portable electronics.

Advantages

This battery offers exceptional energy density and long cycle life, ensuring extended runtime and durability. The built-in PCB protects against overcharge, over-discharge, and short circuits, providing peace of mind during use. Its button top design ensures compatibility with a wide range of devices.

Suitable for

• High-performance flashlights and lanterns
• Portable power tools and equipment
• Electronic devices requiring 26650 batteries
• DIY projects and battery packs

Key specifications

• Battery Type: Rechargeable Lithium-Ion (Li-Ion)
• Form Factor: 26650
• Nominal Voltage: 3.7 V
• Capacity: 5200 mAh
• Energy: 19.24 Wh
• Protection Circuit: Yes (Integrated PCB)
• Terminal Type: Button Top
• Max Continuous Discharge Current: 10 A
• Max Charge Current: 2 A
• Cycle Life: >500 cycles
• Operating Temperature (Discharge): -20°C to 60°C
• Operating Temperature (Charge): 0°C to 45°C
• Overcharge Protection Voltage: 4.25 V ± 0.05 V
• Over-discharge Protection Voltage: 2.5 V ± 0.1 V
• Short Circuit Protection: Yes
• Internal Resistance: < 50 mΩ

Recommendations

For optimal performance and safety, use a compatible charger designed for Li-Ion 26650 batteries. Always follow manufacturer guidelines for charging and storage.