Lengthening Charging Extension Cord

[This product is only used as a lead-acid battery electric car charger to prolong charging. Our store does not support any other use after purchase, and the property losses caused by it have nothing to do with our store]] as for the choice of living floors, it is recommended to choose 3-5 meters on the first floor, 8-10 meters on the second floor, 12-15 meters on the 3-4th Floor, 18-20 meters on the fifth floor, and so on. Each floor is calculated as 3 meters, after the actual distance is calculated, a distance of two meters is reserved for convenient charger Movable