ESMARTER T21 Rechargeable LED Headlamp – Super Bright, Waterproof & Hands-Free

Light up your adventures with the ESMARTER T21 LED Headlamp — a powerful, hands-free lighting solution built for night fishing, hiking, camping, cycling, and everyday outdoor use. Featuring a 20W T6 LED array with up to 100-metre illumination range, this headlamp delivers brilliant, reliable light wherever you need it most. Made in Mainland China.

Key Features

💡 Super Bright T6 LED Bulbs: 7/5 high-performance LED bulbs deliver powerful illumination up to 100 metres — ideal for night-time outdoor activities and low-visibility environments.
🔄 180° Adjustable Beam Angle: Rotate the head unit a full 180° to direct light exactly where you need it, whether indoors or outdoors.
5 Versatile Lighting Modes: Switch effortlessly between: Main light only, Side light only, All lights at normal brightness, All lights at full brightness, and SOS strobe mode — ready for any situation.
💧 Waterproof Construction: Splash-proof design and a sealed battery compartment keep the headlamp performing reliably through rain, snow, and wet conditions.
🔋 USB Fast-Charge & Long Runtime: Comes with a USB charging cable and a high-capacity 18650 lithium-ion battery (included). A full charge delivers 8–12 hours of continuous use.
👤 Comfortable, Adjustable Fit: The elastic headband adjusts easily for adults and children, sitting securely without slipping during active use.

Specifications

Model	T21
LED Model	T6
Wattage	20W
Beam Angle	180°
Nominal Voltage	3.7V
Battery Type	18650 Lithium-Ion (Included)
Charging	USB (cable included)
Runtime	8–12 hours (fully charged)
Waterproof	Yes – splash-proof sealed design
Certifications	CE, RoHS
Origin	Made in Mainland China

Perfect For

Night fishing · Hiking & trail running · Camping & climbing · Cycling · Home repairs & DIY · Emergency preparedness

Explore More Outdoor Essentials

For guidance on safe outdoor and camping lighting practices, visit the National Park Service – Leave No Trace Principles.

Learn more: Headlamp

Frequently Asked Questions

Q: How long does the ESMARTER T21 headlamp battery last on a full charge?

A: The T21 headlamp uses a high-capacity 18650 lithium-ion battery that, once fully charged via USB, provides approximately 8–12 hours of continuous use depending on the lighting mode selected. Higher brightness modes will draw more power, while lower modes extend runtime.

Q: Is this LED headlamp suitable for use in the rain?

A: Yes — the T21 features a waterproof, splash-proof design with a sealed battery compartment, making it reliable in rain and wet outdoor conditions. It is splash-resistant, not designed for full submersion.

Q: What are the 5 lighting modes on this headlamp?

A: The five modes are: (1) Main light only, (2) Side light only, (3) All lights at normal brightness, (4) All lights at maximum brightness, and (5) SOS strobe mode for emergency signalling.

Q: Can children use this headlamp?

A: Yes — the adjustable elastic headband is designed to fit both adults and children comfortably. It stays secure without slipping during active movement.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.