Even if your car battery won t start your car give it a charge for about 12 hours and it will power your leds for days if not weeks.
Use car battery to power lights.
Make sure both are connected well and tighten the screw.
When you turn the car on the led lights should turn on as well.
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T01l led closet light bls super bright 20 led under cabinet lighting battery powered dc input wireless motion sensing light auto on off switch motion sensor light sensor light beam adjustable.
Attach the negative side of the led light to the negative side and then bring the negative battery wire back to its original position.
This will reconnect your car battery as well as connect your christmas lights.
705 6 wh 9w 0 85 66 6 hours or 33 3 hours to only discharge 50.
An old car battery is a perfect solution to power 12 volt led lights as it produces 12 volts.