Overview

Hand warmer integrated with power bank offers two functions:

1) Generate heat to keep your hands warm in cold weather;

2) Charge your electronic devices such as smartphones or tablets.

It is ideal for outdoor activities, commuting, and many other situations.

Main Functions

1)  Fast heat up function

2)  Constant temperature function (20°C~50 °C adjustable)

3)  Short circuit protection

4)  Built-in battery for enduring usage up to 5h.

5)  CE and 3C certified

6)  Charging current: 2A, 5V

7)  Digital display of temperature an battery level

Specification:

MCU part no.: MCU part no.: NY63DS16

Voltage: DC5V

Current:<2A

Switching Frequency:10K~100K

Operation Temperature: -40°C~85°C

ADC Accuracy: 12BIT