ESMARTER 5-LED Rechargeable Headlamp | Waterproof, 4 Modes
ESMARTER 5-LED Rechargeable Headlamp – Your Go-To Hands-Free Light for Every Adventure
Whether you're setting up camp after dark, casting a line at dawn, hitting the trail, or cycling through low-light conditions, the ESMARTER T21 5-LED Rechargeable Headlamp delivers dependable, hands-free illumination whenever and wherever you need it. Featuring a built-in lithium battery, USB recharging, and a waterproof build, this headlamp is engineered for reliability in the great outdoors.
Key Features
- Built-In Rechargeable Lithium Battery (3.7V): No more fumbling with disposable batteries. Simply plug in the included USB cable to recharge — compatible with most USB power sources including power banks, laptops, and wall adapters.
- 5 LED COB Light Source: Combines one powerful main COB LED with four surrounding LEDs for a broad 60° beam angle that floods your path with bright, clear light.
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4 Versatile Lighting Modes:
- Mode 1: Main LED only (focused, long-range beam)
- Mode 2: Four side LEDs on (wide, ambient illumination)
- Mode 3: All 5 LEDs on (maximum brightness)
- Mode 4: All LEDs on + SOS flash (emergency signaling)
- Waterproof Design: Built to withstand rain, splashes, mist, and humidity so it keeps performing in tough weather conditions.
- High / Medium / Low Brightness Settings: Cycle through brightness levels with a single button — conserve battery on low, or go full power when you need maximum visibility.
- Lightweight & Comfortable Fit: Adjustable head strap sits securely on most head sizes, making it ideal for extended wear during fishing trips, night hikes, cycling rides, and campsite tasks.
- CE & RoHS Certified: Meets international safety and environmental standards for electronics.
Specifications
| Model | T21 |
| LED Quantity | 5 LEDs (COB) |
| Beam Angle | 60° |
| Battery | Built-in Lithium (3.7V) |
| Charging | USB Cable (included) |
| Lighting Modes | 4 Modes (1 LED / 4 LED / 5 LED / SOS Flash) |
| Waterproof | Yes |
| Certifications | CE, RoHS |
| Origin | Made in Mainland China |
What's in the Box
- 1 × 5-LED Headlamp (T21)
- 1 × USB Charging Cable
Care & Usage Tips
- Fully charge the battery before first use for maximum run time.
- Minimize drops and impacts to extend product lifespan.
- While the headlamp is water-resistant, avoid prolonged submersion in water.
Explore More Outdoor Gear
Pair your new headlamp with other adventure essentials from our store:
- 1.2m Foam Pool Noodle – Hollow Float Stick for Kids & Family
- 1.1M Eagle Hawk Kite Bird Scarer – Garden Bird Repellent
- 1-Inch Impact Rocker Sprinkler – Adjustable Rotating Irrigation
Safety & Outdoor Preparedness
A reliable headlamp is a cornerstone of outdoor safety preparedness. Learn more about building a proper emergency kit — including lighting — at Ready.gov: Emergency Supply Kit.
Frequently Asked Questions
Q: How long does the built-in battery last on a full charge?
A: Battery run time varies depending on the brightness mode selected. On the lower brightness modes (Mode 1 or 2), the headlamp can run for several hours, while full-power Mode 3 will draw more battery. For extended outings, we recommend charging fully before departing and carrying a portable power bank for top-ups via the included USB cable.
Q: Is the ESMARTER T21 headlamp suitable for fishing in rainy conditions?
A: Yes! The T21 features a waterproof design that protects against rain, splashes, and humid environments, making it well-suited for fishing, camping in wet weather, or early-morning trail runs where dew and mist are common. However, avoid fully submerging the headlamp in water for prolonged periods.
Q: How do I switch between the different lighting modes?
A: Simply press the power button repeatedly to cycle through the four modes: 1 press for the main LED only, 2 presses for the four side LEDs, 3 presses for all 5 LEDs at full brightness, and 4 presses to activate the SOS emergency flash mode. Press and hold (or press a fifth time) to turn the headlamp off.
Q: What type of USB cable is used for charging?
A: The headlamp charges via a standard USB cable (included in the box) and is compatible with most USB power sources such as wall adapters, car chargers, laptops, and portable power banks — making it easy to recharge wherever you are.
Details
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.
Shipping & Returns
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.