Use Instructions

INSTRUCTIONS FOR USE / ENGLISH
TECHNICAL SPECIFICATIONS
USB charger
cable Surefoot**
Input: 5V
Max. 2000 mA
Output:
4.2V / 2000 mA
Winterheat
3400
Ouput : 3.7 V/
3400 mAh
*Optional accessory from Surefoot
**available in Surefoot retail locations
FIRST USE AND CHARGING OF THE Winterheat
BATTERY
Important note:
The Winterheat battery must be charged before using
them for the first time.
Preparing a USB power supply. Slide your adapter into
the slot on the back of the charger until it locks in with an
audible click.
USB cable charging process:
1. Please ensure that the Winterheat is switch OFF while
charging.
2. Plug the USB cable into the USB port. The charge
indicator (1.6) will light up red. Lift up metal clip to access
to charging trap. Next, you plug the charging connectors
of the cable into the batteries (1.5 1.7). The charging
process will start automatically and the charge indicator
(1.6) will light up in red during charging.
3. Once the Winterheat batteries are fully charged, the
charging process is automatically concluded and the LED
on the charge indicator (1.6) will switch back to green.
4. Remove both Winterheat batteries from the charging
connectors.
Important note:
Recharge the Winterheat battery after each use. This
extends the service life of the batteries and ensures that
the device is always ready for use.
The battery consists of lithium ion cells and can be
charged in any state. For this reason, the battery does
not need to be fully discharged before charging.