Hand warmer — voltage 5, capacity 3600/5000mAh. The complete factory specification follows. Made by Dongguan Yuchanming Electronic Technology Co., Ltd. (3 years on the platform, typical reply ≤1h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Hand Warmer
- Power Source: Battery, USB, Electric
- Power (W): 4.5
- Voltage (V): 5
- Capacity: 3600/5000mAh
- Material: Stainless Steel
- Warranty: 1 Year
Technical Specifications
| Function | Adjustable Thermostat, Overheat Protection |
|---|---|
| Material | Stainless Steel |
| Power Source | Battery, USB, Electric |
| Warranty | 1 Year |
| Application | Outdoor, Hotel, Household |
| After-Sales Service Provided | Return and Replacement |
| App-Controlled | No |
| Operating Language | English |
| Private Mold | Yes |
| Packaging Types | Color Box |
| Place Of Origin | Guangdong, China |
| Brand Name | YCM |
| Dimensions (L X W X H (Inches) | 102*30*61mm(4.02*1.18*2.40in) |
| Item Weight | 150g(5.29oz) |
| Power (W) | 4.5 |
| Voltage (V) | 5 |
| Product Name | Hand Warmer Power Bank |
| Color | Pink White Black Green |
| Keywords | Portable Usb Hand Warmer |
| Logo | Customized Logo Accept |
| Usage | Home+Hotel+Office+Outdoor |
| Capacity | 3600/5000mAh |
| Charging Time | 2 Hours |
| Working Time | 3-6 Hours |
| MOQ | 100pcs |
| Selling Units | Single item |
| Single Package Size | 10.2X3X6.1 cm |
| Single Gross Weight | 0.16 kg |
Product Details




Product Name | Rechargeable Hand Warmer Power Bank |
Place of Origin | Dongguan, China |
Brand Name | OEM |
Model Number | N20 |
Power (W) | 4.5W |
Voltage (V) | 5v=1A |
Warranty | 1 Year |
Color | White/Black/Green/Pink |
Capacity | 3600/5000mAh |
Size / Weight | 102*30*61mm/150g |
Material | ABS+Aluminum Alloy |








































Every year we will develop a lot of new design product to cater for market and products are highly-recognized and appreciated in
the market. For your assurance, all our products are CE-, FCC- and RoHS-compliant.
One-year Warranty and After-sales Service
All products are sold with a minimum of one year warranty. Fully supported by our professional after-sales service team, your
inquiries will be promptly responded to ensure your utmost satisfaction
We provide:
Product pictures.
Product video.
Product parameter information.
LOGO customized.
Packaging customized.
Manual customized.
Product accessories customized.
Contact us!








A1: Yes, we are and welcome to visit our factories.
Q2: Are you a one person service or you have a team and a company?
A2: We are a professional procurement company with R&D,purchasing,sales, product control and warehousing team.
Q3: How long you have been working as a sourcing agent?
A3: Over 10+ years of one-stop experience.
Q4:Are you specialized in sourcing specialty?
A4: Yes, we are.We develop, we source, we manufacture and we deliver.
Q5: Are you able to offer me the satisfied customer reference?
A5: Yes,we could. You could contact us for more details.
Q6:How do you qualify the factory?
A6: A.Factory Audit on site (worker/facilities etc.)
B.SOP & product management & Quality Control system
C.Last but not the least, the factory culture, whether they are responsible and countable.
Q7: You do the inspection or you hire a third party for inspection?
A7: We do the inspection by ourselves.
Q8: How do you charge?
A8: It all depends.Mostly we will charge the product price we quoted.Anyway,it's negotiable.
Q9: Do you take factory kickbacks?
A9: No. We never do so and won't scrifice the quality and buyer's trust! There's saying goes,the benefit comes, after all, from
the price one has paid.
Q10: Define service scopebased on your fees?
A10: Our service scope including sourcing, R&D,consolidation,inspection,warehousing & delivering at reasonable and workable price!
Ordering and Pricing
- Minimum order quantity: 2 box
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this hand warmer?
The standard minimum order quantity is 2 box. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the hand warmer be supplied for my local voltage?
The standard configuration is 5. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Dongguan Yuchanming Electronic Technology Co., Ltd., based in China. The company 3 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Dongguan Yuchanming Electronic Technology Co., Ltd. range on HVACR Nexus.
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