ESMARTER COB Keychain Work Light | 800 Lumen Rechargeable LED

ESMARTER COB Keychain Work Light – Dual Light Source, 5 Modes, 800 Lumens

Meet the ultimate pocket-sized companion for every adventure. The ESMARTER COB Keychain Work Light (Model WJ808) packs an impressive 800 lumens of cool white light into a rugged, ultra-portable keychain form factor. Whether you're navigating a campsite, running at dusk, or working in a tight space, this compact LED powerhouse delivers reliable, bright illumination wherever you need it — and clips right onto your keys, bag, or belt loop.

Made in Mainland China.

Why You'll Love It

• Dual Light Source (COB + XPE): Two independent light types provide wide flood illumination and a focused beam — all in one tiny unit.
• 5 Versatile Lighting Modes: Single-side light, double-side light, high-beam, near-far combined, and strobe. A single press cycles modes; a long press jumps to maximum brightness instantly.
• Up to 800 Lumens: Surprisingly powerful output from such a small package — outshines most standard keychain lights by a wide margin.
• Rechargeable via USB-C: Comes with a Type-C USB charging cable. Fully charges in just 2–3 hours and runs 2–8 hours depending on mode. Red indicator light during charging turns green when done.
• IPX5 Waterproof: Built to handle rain, splashes, and wet-weather use without missing a beat.
• Ultra-Lightweight: Weighs only 57g — you'll forget it's there until you need it.
• 3-in-1 Carry Options: Features a carabiner clip, strong built-in magnet, and bottle opener — attach it anywhere, stick it to metal surfaces hands-free, or pop open a bottle at the campsite.
• Durable Build: Aluminium alloy and ABS construction for lasting toughness in demanding environments.

Specifications

What's in the Box

• 1× COB Keychain Work Light
• 1× USB-C Charging Cable

⚠ Important: Use only a 5V/1A adapter with the included USB-C cable. Do not use high-current chargers, as this may damage the light. Do not disassemble the unit. Keep away from flammable materials while charging. Disconnect from power once fully charged.

Great For

Camping, hiking, trail running, fishing, emergency kits, car repairs, working in dark spaces, night cycling, dog walking, power outages, and everyday carry (EDC).

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For authoritative guidance on portable lighting safety and camping preparedness, visit the Ready.gov Emergency Supply Kit Guide.

Frequently Asked Questions

Q: How do I know when the COB keychain work light is fully charged?

A: When charging begins, the LED indicator light turns red. Once the 800 mAh battery is fully charged (typically in 2–3 hours), the indicator turns green. Always use a 5V/1A USB adapter and disconnect the charger promptly once charging is complete.

Q: Is the ESMARTER COB keychain light waterproof?

A: Yes — the keychain work light carries an IPX5 waterproof rating, meaning it can withstand rain and water splashes during outdoor activities like camping or hiking. However, it should not be fully submerged or soaked in water.

Q: What are the 5 lighting modes and how do I switch between them?

A: The 5 modes are: single-side light, double-side light, high-beam, near-far combined, and strobe. Press the power button once to cycle through modes in order. Long-press the button to jump directly to the brightest (high-beam) mode at any time.

Q: Can this keychain light be attached to a backpack or metal surface?

A: Absolutely! The light features a carabiner clip for attaching to bags, belt loops, or keyrings, and a strong built-in magnet that lets you stick it hands-free to metal surfaces — ideal for auto repairs or campsite setup.