Portable car battery chargers can both charge a battery enough to start it and top off a battery if your car has been sitting over the winter.
Cold weather battery charger.
Lithium batteries found inside your electronics can be damaged by charging in temperatures below 0 c 32 f so care must be taken when using a cold weather usb charger to recharge your devices on cold days and nights.
The special cold weather performance and adapted ac and dc cables handle severe cold down to 22 degrees f 30 degrees c.
Cold batteries will not accept a normal charge until the batteries reach an ideal temperature or extensive charging time is available.
A portable car battery charger should be part of your emergency roadside kit.
For example tesla cars are equipped with battery pack heater to warm the battery before charging begins in cold climates.
They are also compact enough to easily tuck into your trunk so you will always have the charger handy in case you need it.
Cold batteries can take up to 30 hours to warm back up to.
Vosker rechargeable battery pack and charger for v100 and v200 security cameras long lasting lithium ion fast charge 2000 mah capacity cold weather resistant 4 7 out of 5 stars 5 69 99 69.
It is an advanced microprocessor controlled battery charger providing unrivalled performance on batteries from 1 2ah to 110ah.