The Weltool UB14-11 is an USB-C rechargeable 14500 Li-ion battery. It comes equipped with a built-in protection circuit, including four protective measures, ensuring safe and efficient use. The battery is durable, with a steel shell that is riveted and integrated with the battery core, making it highly resistant to collisions and wear. The USB-C charging interface allows for effortless charging using a USB-C cable, a 5V adapter, a computer USB interface, or a mobile power source. The battery has high capacity, low internal resistance, making it the ideal choice for high drain torches and other compatible electronic devices.

Specifications:

• Model: UB14-11
• Nominal capacity: 1150mAh
• Typical capacity: 1100mAh
• Internal resistance: ≤65mΩ
• Voltage: 3.6V
• Continuous discharge current: 2.5A (25℃)
• Charging current: 0.4A (Type-C interface charging current)
• Overcharge protection voltage: 4.2±0.03V
• Over-discharge protection voltage: 2.5±0.1V
• Number of cycle charge and discharge: After 500 times, the battery still has 84% capacity
• Charging indicator: red light (charging), blue light (charging completed)
• Charging temperature: 0~+45℃
• Discharge temperature: -20~+60℃
• Storage temperature: -20~+40℃ (within 3 months)
• Dimensions: (diameter) 14.30±0.3mmx (length) 50.50mm
• Weight: 20±0.05g