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Free shipping on all order above $49.99 to most countries.
Most flashlights can directly get 5 years warranty; battery and accessories get 1 year warranty.
Any questions, please email to info@sperasflashlight.com

Built with a tabless design ⚙️, the SPERAS PB50 battery significantly improves energy efficiency and helps reduce heat during intensive use. It also includes built-in protection against overcharge and over-discharge, supporting safer operation and a longer battery life cycle.
The solid outer construction adds excellent impact resistance, making it suitable for both daily use and harsh outdoor conditions.
| Model | PB50 |
| Battery Type | 21700 3.6V Lithium Battery |
| Battery Capacity | 5000 mAh |
| Battery Voltage | 3.6 V |
| Energy | 18 Wh |
| Max Continuous Discharge | 40A |
| Dimensions (Length x Diameter) | 74.5 mm (+0.3 mm ~ 0.5 mm) × 21.42 mm (+0.1 ~ 0.15 mm) |
| Net Weight / Gross Weight | 72.18 g / 80.78 g |
It uses a tabless design, which helps improve efficiency, reduce heat, and handle high-drain output more effectively than standard designs.
Yes, with a 40A continuous discharge, it is well-suited for high-performance flashlights 🔦 and similar high-drain devices.
Yes, it includes built-in protection against overcharge and over-discharge, ensuring safe and reliable operation.
Yes, it is a rechargeable lithium-ion battery. Use a compatible high-quality charger for best results and longevity.

