Rechargeable Flashlight – Key Specifications

Power Source: Built-in rechargeable battery (usually lithium-ion)
Battery Capacity: Commonly 1200 mAh to 5000 mAh, depending on model
Charging Method: USB-C, micro-USB, or proprietary magnetic cable
Light Source: High-efficiency LED (often CREE or COB type)
Brightness Output: Typically 300 to 2000 lumens (some go higher)
Lighting Modes: Usually includes high, medium, low, strobe, SOS
Run Time: 2 to 20+ hours depending on mode and battery size
Body Material: Aluminum alloy or ABS plastic (shock-resistant)
Water Resistance: IPX4 to IPX8 (splashproof to fully submersible)
Size: Compact (pocket-sized) to full-size (tactical/long-range)
Extras: May include zoom/focus beam, magnetic base, side lights, or belt clips