Features:

*Get the batteries up to 100~110°F (38~43°C) for maximum performance
*Flatter discharge curve & less fade
*Lower internal resistance
*Get the batteries to the temperature within 10 minutes
*Used mainly for stock classes
*Auto cut-off & re-heating
*Made of the fireproof fiber inside the bag
*Excellent in low temperature condition or indoor track with AC
*4mm gold banana plugs

Now the racers are using high current battery cycling to heat the battery before a race.  With this warming bag, racers can easily heat the battery before a race.
Connect to 12V DC power supply

Although the warming bag works when connecting to 2S or 4S battery pack, but we suggest to use 12V to have a stable performance.

Warning:
*The bag is designed to use 12V power source.
*Use this safety bag only in low temperature.
*Please don’t heat batteries in safety bag for more than 25 minutes.  It will accumulate too much heat inside the bag. 
*Never leave a charging battery unattended.  Always ensure the battery is on a non-flammable surface. 
*Ensure flap is sealed while charging. 
*This charging bag is intended to reduce the chance of damage in the event of a LiPo fire.
*Not recommended for batteries exceeding 30 watt-hours

*Cars, parts, accessories & others are not included.*

Please notice the bag is flexible.  Dimensions below is for your reference.
The actual size can be larger.

Size:
W × D × H – 200× 90× 70 mm (outside)