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built-in battery power bank heater 4400mah/rechargeable usb hand warmer/external battery backup power for mobile

100-2999 Pieces
3000-4999 Pieces
5000-9999 Pieces
>=10000 Pieces
25% OFF
Min. Order
100 Pieces
Total Stock
400 Pieces
Choose your specifications
Company Information

Shenzhen Aoolif Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
US$ 1,300,000+
9 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Output Interface: Micro USB
Input Interface: Micro USB
Supports Solar Energy: No
Is LED Lamp Illumination: No
Battery Type: 18650 Lithium Battery
Place of Origin: Guangdong China
Brand Name: OEM
Model Number: HT320
Dimension: 90*60*24mm
Weight: 132g
Socket Type: USB
Features: Hand Warmer Power Bank
Battery Type: 18650 Li-ion Battery
Input: Micro USB 5V/1A
Product name: usb hand warmer
Material: ABS + Aluminum
Support devices: Mobile Phones / MP3 / Tablet/ Camera
Certification: CE ROHS FCC ISO9001
Capacity: 4400mAh, 5200mAh, 5600mAh
Color: Blue, Gray, Green, Pink, Red, Silver, Yellow
Selling Units: Single item
Single package size: 15X15X8 cm
Single gross weight: 0.5 KG
Package Type: white box packing
Product Description


USB Hand Warmer
ABS + Aluminum
18650 Li-ion Battery
Hand Warmer, Power Bank


1. Double side heater, with two temperature mode, the low temperature mode is about 41-45 degrees, the high temperature mode is about 45-49 degrees.

2. Multifunction, not only can be used as a hand warmer, but also as a power bank for mobile phone and other digital products, and as a LED torch in the dark.

3. Very small, can be put into pocket or your bag, in a word, it is easy to carry and can be used whenever and wherever.

Product Color

We can offer OEM Colors according your requires.

Our Company

     Shenzhen AOOLIF Technology Co., LTD is a manufacturer company located in Shenzhen, China. Established in 2000 year, we has been specialized in Portable Power Bank, USB Hand Warmer and USB Cable for more than 10 years, serving over 100 customers worldwide.

     Cover 2000 square meters, with 5 engineers who have more than 5 year experience in this field, 100 workers, we own complete QA and QC system and machines to make sure the high quality products.

     We accept OEM and ODM orders, could do the new mould for customer. Warmly welcome your inquiry!

Packing & Delivery


* PE bag/PP bag
* Gift box / White box package
* Blister package
* Customized package 


1. We will ship the products within 15-20 working days after receipt of payment.
2. We can ship to you by UPS/FEDEX/DHL and so on. Other shipping terms can also be arranged according to specific requirements.
3. We are not responsible for any accidents, delays or other issues that are the responsibility of the shipping service.  

Replacement Policy

1.We provide one year warranty.
2.If items is defective , please notify us within 3 days of delivery.
3.Any items must be returned in their original condition to qualify for a replacement.
4.The buyer is responsible for all the shipping cost incurred.


1. What is your minimum order quantity?
A: The MOQ is 100 pcs usually.

2. Do you provide sample of this product?
A: Yes, we can provide samples, and We will return you sample fee after you place a real order in the future.

3. What are the payments terms you accept?
A: We accept T/T, L/C, Paypal, etc.

4. What are the shipping ways you can offer?
A: We can deliver the goods by UPS/FEDEX/TNT by air/land express according to customers' requirements. Transport companies and transport modes can be specified according to customers.

5. Do your products come with warranty?
A: Yes, we provide 24 months warranty for all products.