Then, you'll link the charger's favourable clamp to the battery's positive terminal as well as charger's destructive clamp for the battery's damaging terminal. Ordinarily, the charger's positive clamp are going to be pink and the negative clamp will be black. These batteries involve a classy charger to charge them in https://hukums.com/products/elephant-wet-dry-industrial-vacuum-cleaner-machine-30-litre-tank