ESMARTER Mini Keychain Flashlight – Compact, Rechargeable & Always Ready

Never get caught in the dark again. The ESMARTER K138 Mini Keychain Flashlight is a powerful, pocket-sized LED light that clips right onto your keys, bag, or belt loop. Whether you're navigating a campsite at night, working in a tight space, or need a reliable emergency backup light, this compact 5W LED torch delivers impressive brightness — up to 100–200 metres of illumination distance — in a body small enough to go anywhere.

Key Features

Powerful 5W LED Bulb – Bright, efficient LED light source with a 100–200 m illumination range, ideal for outdoor and work use.
Built-in Rechargeable Battery – Comes with battery included and is USB rechargeable, so you can power it up anywhere without hunting for spare batteries.
Long Battery Life – Engineered for extended run times, making it a dependable companion on camping trips, hikes, and late-night projects.
Waterproof Construction – IPX-rated waterproof design handles rain, splashes, and tough outdoor conditions without skipping a beat.
Durable ABS Body – Lightweight yet tough ABS plastic housing stands up to everyday knocks and drops.
Multi-Function Design – Works as an everyday carry keychain light, emergency flashlight, camping lantern, and hands-free work light.
Keychain Clip Included – Attaches instantly to keys, carabiner, backpack, or tool belt for fast, one-handed access.
CE Certified – Meets European safety standards for electrical equipment.

Specifications

Model	K138
Brand	ESMARTER
Body Material	ABS Plastic
Light Source	LED Bulb
Wattage	5W
Lighting Distance	100–200 m
Power	Built-in Rechargeable Battery (Included)
Waterproof	Yes
Certification	CE
Country of Origin	Made in Mainland China

Perfect For

🏕️ Camping, hiking & backpacking
🔧 Automotive inspections & workshop tasks
🚨 Emergency preparedness kits
🔑 Everyday keychain carry
🌙 Night walks, power outages & home repairs

Related Products You Might Like

Safety & Preparedness Resource

A reliable flashlight is a core component of any emergency kit. Learn more about building a complete emergency preparedness kit at Ready.gov – Emergency Supply Kit.

Frequently Asked Questions

Q: How does the ESMARTER K138 keychain flashlight recharge?

A: The K138 features a built-in rechargeable battery that charges via USB. Simply connect it to any USB power source — a wall adapter, laptop, or power bank — and it will be ready to go in no time. No disposable batteries required.

Q: Is the mini keychain flashlight waterproof enough for camping?

A: Yes! The ESMARTER K138 is designed with waterproof construction, making it suitable for outdoor use in rain and wet conditions. It's a great addition to any camping pack, emergency bag, or everyday carry setup.

Q: How far can the ESMARTER mini flashlight illuminate?

A: Despite its compact size, the K138 boasts an impressive illumination range of 100–200 metres thanks to its efficient 5W LED bulb — more than enough for navigating campsites, trails, or dark workspaces.

Q: Can this flashlight be used as an everyday keychain light?

A: Absolutely. The lightweight ABS body and built-in keychain clip make it perfect for everyday carry on your keys, bag, or carabiner. Its compact form factor means you'll always have a powerful light source within arm's reach.