21 COOL BATTERY LIFE HACKS

How to squeeze the maximum out of the battery? There is an incredible number of ways to use batteries with benefit, including not for their intended purpose. Battery can be a heater for hands, cigarette lighter, electromagnet, stylus. Do you know how to replace a lighter with a regular battery? Take a strip of foil. You can even use cigarette foil. Attach its ends to the battery poles. Take a cotton wool, napkin or small sawdust - for example, from a sharpened pencil - and bring it to the foil. Look, ca