PowerPro Unprotected 26650 Li-ion 3.7V 4200mAh Rechargeable Battery

The PowerPro 26650 Li-ion battery is a rechargeable lithium-ion battery with the following specifications:

• Brand: PowerPro
• Size: 26650
• Nominal Capacity: 4200mAh (milliampere-hours)
• Nominal Voltage: 3.7V (volts)
• Maximum Voltage: 4.2V
• Discharge:
• Maximum Continuous Discharge Current: 25A
• Rated Pulse Discharge Current: 50A
• Positive Terminal: Flat
• Protected: No, it's an unprotected battery
• Rechargeable: Yes
• Dimensions: 26.05mm (diameter) x 66.38mm (length)

These batteries are commonly used in high-drain devices, including some flashlights, vape devices, and other applications that require a high current output. The "unprotected" designation means that this battery does not have built-in protection circuitry and should be used with caution to prevent over-discharge or overcharging.

When using high-drain batteries like this one, it's essential to follow safety guidelines and use appropriate charging equipment to ensure safe and reliable operation. Over-discharging or overcharging unprotected lithium-ion batteries can be dangerous, so it's important to handle them with care.