Car Parts
Battery Booster - High Power Upgrade Chip for 12V 20AH + Batteries, Stable Output Voltage Current with Aluminum Alloy Shell, Easy Install for Automotive and Energy Storage
High Power Upgrade Chip: Features a built-in advanced chip converting low frequency vibrations into electrical energy, boosting output voltage and current effectively, ensuring reliable performance for your 12V 20AH+ batteries in any application....
https://www.bizrate.co.uk/carparts1/battery-booster-high-power-upgrade-oid40336089516.html
