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Thank you for purchasing the ThermoCharge- rechargeable 
power pack & hand warmer! The ThermoCharge is an essential 
multi-use tool designed to be used in the elements. Its hand 
warmer feature provides long lasting heat, while its portable, 
high-capacity power pack can supply power to your smartphone, 
MP3 player, and many other USB-powered devices.  

WARNING:

  Read all instructions and warnings thoroughly  

before using. Improper use of this product may re-
sult in product damage, excess heat, toxic fumes, 
fire or explosion. Do not allow children to use this 
product without proper adult supervision.

INCLUDED IN THE BOX ARE:

1  - 

ThermoCharge Rechargeable Power Pack & Hand Warmer

1  - 

USB cable with Mini USB connection

1  - 

Soft carrying bag

1  - 

Upper silicone protective cap

1  - 

Lower silicone protective cap

PARTS CALLOUT

1. 

Mini USB IN port

2.

 Green/red LED status indicators

a.  

Green indicates the ThermoCharge is charging an  
external device

b.

 Red indicates hand warmer mode is on

3. 

On/off button

4.

 Blue LED status indicator

       a. 

 Blue indicates the internal battery is charging

5. 

USB 2.0 OUT Port

6. 

Top silicone cap

7. 

Bottom silicone cap

1.  CHARGING THE INTERNAL LITHIUM  

ION BATTERY 

Your ThermoCharge 2-in-1 device has an internal, 4400 mAh 
rechargeable lithium ion battery, which allows for up to 6 hours 
of continuous use at a constant temperature of 40° to 45° Celsius 
(104° to 113° Fahrenheit). It ships with a partial charge, but you 
should charge it completely before using it for the first time.  

Follow these steps to charge the internal battery:   
1.  Plug the standard USB plug end of the included USB cable 

into a USB port on a PC, laptop, car charger or USB 5V-500mA 
adapter plug.

2.  Once plugged in, the blue LED (4) will start to blink, indicating 

that charging is in progress.

3. Charging is complete when the blue LED (4) stops blinking.  

NOTE:  

The ThermoCharge is designed with overcharge protection 
to prevent damage to the internal battery

2. USING THE HAND WARMER FEATURE

•  Press and release the on/off button once (3). The unit will begin 

to heat up.  In minutes, it will reach its maximum temperature 
and you will feel the heat being conducted through the alumi-
num housing.  

•  Press the on/off button twice to turn off.
•  Use the included caps when extra protection is needed.  These 

silicone caps help repel moisture and protect the device should 
it be dropped on a hard surface.

3. CHARGING AN EXTERNAL DEVICE

•  Plug your device’s USB charging cable into the USB 2.0 OUT 

port (5).

•  Press and release the on/off button (3) quickly, then press and 

hold the on/off button to begin charging. Your device should 
indicate it is charging.

•  When charge is complete, the ThermoCharge will automatically 

power off.

4. SPECIFICATIONS

BATTERY: 

Rechargeable lithium polymer – (2) x  2200 mAh 

INPUT: 

Mini USB Connector / 5V- 900 mA  

OUTPUT: 

Standard 2.0 USB Connector / 5V- 1A

INTERNAL BATTERY CHARGE TIME: 

USB -  5 hours

MINIMUM NUMBER OF RECHARGES: 

>500 

LED STATUS INDICATORS

(1)   Green LED/Red LED -  

• Green indicates charging external device 
• Red indicates hand warmer mode 

(1) Blue LED indicates internal battery charging

 

HAND WARMER TEMPERATURE RANGE 
40° TO 45° 

Celsius (104° TO 113° Fahrenheit)

HAND WARMER CONTINUOUS USE TIME

 

    At least 6 hours continuous use (based on fully charged battery)

OPERATING TEMPERATURE RANGE 
     

0° to 45° Celsius ( 32° to 113° Fahrenheit) 

STORAGE TEMPERATURE RANGE

     68° to 77° Fahrenheit (optimal)
WEIGHT  5.22 oz. (148 grams)  

DIMENSIONS
    

1.77 in x  3.74 in x .90 in (45 mm x 95 mm x 23 mm)

POWER DELIVERY CHART 

iPhone 5 (1540 mAh)       1.7 to 1.8 hours
iPhone 4  (1400 mAh)       1.5 to 1.6 hours
iPhone3 /ipod (1200 mAh)   1.3 to 2.4  hours
MP3 (300 mAh) 

      30 minutes

NOTE:  

Storage of more than 6 months without use may have detrimental 
effects on the condition of the lithium ion battery.  It is recommended 
that you discharge and recharge fully every 3-4 months to maintain 
optimal battery life.

WARNINGS:

 

Read all instructions and warnings prior to using this product. 
Improper use of this product may result in product damage, 
excess heat, toxic fumes, fire or explosion, for which damages 
you (“Purchaser”), and not Smart Team or Celestron (collectively 
“Manufacturer”) are responsible.
•  Do not store battery in high temperature environment, including 

intense sunlight. 

•  

Do not place battery in fire or other excessively hot 
environments. 

•  Be cautious of excessive drops, bumps, abrasions or other 

impacts to this battery. If there is any damage to the battery 
such as dents, punctures, tears, deformities or corrosion, due 
to any cause, discontinue use and contact manufacturer or 
dispose of it in an appropriate manner at your local battery 
recycling center. 

•  Do not disassemble this battery or attempt to repair or modify 

it in any manner.

•  Do not expose this battery to moisture or submerge it in liquid. 

Keep battery dry at all times.

•  Do not attempt to charge battery using any method, apparatus 

or connection other than the device’s USB connector. For 
questions or instructions for the various ways to charge the 
Rechargeable Power Pack & Hand Warmer, refer to this manual.

•  Do not attempt to replace any part of this battery.

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Model # 93550

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