Dartwood Rechargeable Hand Warmer
In the Box
- 1 x hand warmer
- 1 x charging cable
- 1 x user manual
Safety Precautions
- Do not use this product near a fire source or submerge it under water.
- Do not leave this product exposed to direct sunlight.
- This product is not a toy. Do not let children use it without proper supervision.
- The power bank and the heating functions cannot be used simultaneously.
- Do not attempt to disassemble or repair the hand warmer on your own.
- Avoid using the hand warmer on the same spot for too long or while sleeping to prevent burns.
Introduction to parts
- USB-A port
- Heating zone
- Power button
- Power indicator
- Charging port
How to use the hand warmer
- Connect the hand warmer to a power source using the charging cable.
- Fully charge the battery before first use. 3 solid blue lights indicate the battery is fully charged.
- Press once to check the battery level
- Press and hold for 3 seconds to turn on the heat. The lights will turn solid red.
- Adjust the heat level by continuously pressing. Always start from the lowest level to prevent burns.
- Turn off the heat by holding the button for 3 seconds until the indicator lights turn blue.
Using it as a power bank
- Press once to turn the power on and check the battery level.
- Connect the charging cable from the USB-A port to your device.
Product Specifications
- Charging input/output: 5V 1.0A
- Battery capacity: 5200 mAh
- Weight: 4.76 oz (135 g)
- Usage time: Up to 5 hrs
- Materials: Aluminium and ABS Plastic
- Operating temperatures: 104 – 131°F
Specifications are subject to change without notice. Battery life and charge cycles may vary depending on your settings and actual environmental factors.
FOR MORE MANUALS BY DARTWOOD, VISIT MANUALSLIBRARYY
Dartwood Rechargeable Hand Warmer-FAQs
How do I charge the hand warmer?
Connect the hand warmer to a USB charger using the supplied cable. Charge until the indicator light shows it’s fully charged.
How long does a full charge last?
Depending on the heat setting, a full charge can last 3 to 12 hours.
How do I turn it on and adjust the heat?
Press and hold the power button for 5 seconds to turn it on (high heat). Press once to switch to medium heat, and again for low heat.
What kind of battery is used?
Rechargeable hand warmers typically use a lithium-ion battery.
How long does it take to fully charge?
It usually takes 2–4 hours to fully charge, depending on the battery size.
Can I carry it on a plane?
Yes, rechargeable hand warmers with lithium-ion batteries must go in carry-on luggage, not in checked bags.
Are rechargeable hand warmers safe?
Yes, they are generally safe if used properly. Avoid using damaged devices, exposing them to water, or leaving them on unattended for long periods.
Can it double as a power bank?
Some models allow you to charge smartphones or other devices while keeping your hands warm.
Can I reuse it?
Yes, you can recharge and reuse the hand warmer hundreds of times, typically between 500–1,500 charge cycles.
How hot does it get?
Most rechargeable hand warmers reach temperatures between 104°F and 131°F, adjustable via heat settings.