Weltool UB14-11 14500 USB-C Rechargeable Lithium-Ion Battery – 1100mAh High-Performance Cell
Weltool UB14-11 14500 USB-C Rechargeable Lithium-Ion Battery – 1100mAh High-Performance Cell
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The Weltool UB14-11 14500 USB-C Rechargeable Lithium-Ion Battery is a compact powerhouse built for modern flashlights and EDC devices. With 1100mAh of reliable capacity, a built-in USB-C charging port, and up to 500 full charge cycles, this battery is engineered for performance and convenience.
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1100mAh Capacity – Long runtimes for compact flashlights.
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USB-C Rechargeable – Built-in port eliminates external chargers.
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Fast & Safe Charging – Red indicator for charging, blue for full.
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High Output – Delivers 2.5A continuous discharge for demanding lights.
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Durable & Reliable – Retains 84% capacity after 500 cycles.
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Temperature Ready – Works from -20°C to +60°C.
Specifications (Table):
| Specification | Detail |
|---|---|
| Model | UB14-11 |
| Nominal Capacity | 1150mAh |
| Typical Capacity | 1100mAh |
| Voltage | 3.6V |
| Internal Resistance | ≤65mΩ |
| Continuous Discharge Current | 2.5A (25°C) |
| Charging Current | 0.4A (via USB-C) |
| Overcharge Protection Voltage | 4.2 ±0.03V |
| Over-discharge Protection | 2.5 ±0.1V |
| Cycle Life | 500 cycles (84% capacity retained) |
| Charging Indicator | Red = charging, Blue = full |
| Charging Temperature | 0°C ~ +45°C |
| Discharge Temperature | -20°C ~ +60°C |
| Storage Temperature | -20°C ~ +40°C (≤3 months) |
| Dimensions | 14.3mm × 50.5mm |
| Weight | 20g ±0.05g |

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