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SK-24 Flannel Hand Warmer – 4000mAh Rechargeable Hand Warmer with Digital Temperature Display
SK-24 is a compact rechargeable flannel hand warmer designed for winter warmth, outdoor commuting, office use, travel, gifting, and daily personal comfort. It features a soft flannel surface, digital temperature display, 4 heat levels from 45°C to 60°C, 4000mAh customizable battery capacity, DC 5V/2A input, lightweight 155g body, and compact portable design. Available in Light Gray, Orange, and Beige, it is suitable for retail, wholesale, winter promotions, outdoor product distributors, gift channels, and OEM/ODM projects.

The SK-24 Flannel Hand Warmer is a soft-touch rechargeable warmer designed for daily winter comfort. With its rounded compact body, flannel-textured surface, and digital temperature display, it is suitable for office work, bedroom use, outdoor commuting, travel, school, camping, and personal cold-weather care.
The SK-24 offers 4 adjustable heat levels: 45°C, 50°C, 55°C, and 60°C, allowing users to choose a comfortable temperature according to different weather conditions and personal needs. The digital display clearly shows the working temperature, making daily operation simple and easy to read.
Equipped with a 4000mAh rechargeable battery, the SK-24 provides approximately 2–4 hours runtime depending on the selected heat level and usage environment. Battery capacity can also be customized for wholesale, retail, and OEM/ODM projects.
The product supports DC 5V/2A input and uses a 3.7V battery voltage, making it convenient for daily charging. Its compact product size of 107 × 76 × 41 mm and net weight of 155g make it easy to hold, carry, and store in handbags, pockets, backpacks, and winter travel kits.
Made from ABS, PC, flannel, and electronic components, the SK-24 combines a soft hand-feel with a practical electronic heating structure. Available in Light Gray, Orange, and Beige, it is suitable for retail, wholesale, winter promotions, outdoor product stores, gift channels, office comfort products, and OEM/ODM orders.
Key Features
4 Heat Levels
Supports 45°C, 50°C, 55°C, and 60°C temperature settings for different warmth needs.
Digital Temperature Display
Clear digital display shows the working temperature for easy operation.
4000mAh Battery
Rechargeable 4000mAh battery capacity supports daily winter use and can be customized.
Approx. 2–4 Hours Runtime
Provides around 2–4 hours of warmth depending on heat level and usage conditions.
Soft Flannel Surface
Comfortable flannel-textured surface offers a warm and gentle hand feel.
DC 5V/2A Input
Convenient charging input for daily rechargeable use.
Portable & Lightweight
Only 155g net weight, easy to hold and carry in bags or pockets.
Compact Size
Product size of 107 × 76 × 41 mm, suitable for commuting, travel, office, and outdoor use.
3 Color Options
Available in Light Gray, Orange, and Beige for different market preferences.
Complete Package Set
Includes hand warmer body, USB cable, lanyard, and user manual.
| Specification | Details |
|---|---|
| Model | SK-24 |
| Product Type | Flannel Hand Warmer |
| Heat Levels | Level 1: 45°C / Level 2: 50°C / Level 3: 55°C / Level 4: 60°C |
| Input Voltage | DC 5V / 2A |
| Battery Voltage | 3.7V |
| Battery Capacity | 4000mAh, Customizable |
| Runtime | Approx. 2–4 Hours |
| Material | ABS / PC / Flannel / Electronic Components |
| Net Weight | 155g |
| Gross Weight | 208g |
| Product Size | 107 × 76 × 41 mm |
| Packing Size | 130 × 95 × 45 mm |
| Carton Size | 52 × 28.5 × 49 cm |
| Carton Quantity | 100 PCS |
| Carton Gross Weight | 22kg / 100 PCS |
| Product Colors | Light Gray / Orange / Beige |
| Package Includes | Hand Warmer Body, USB Cable, Lanyard, User Manual |


















