There are many electronics that run on batteries and hence can be used while travelling and where there is no source of electricity. In such cases the batteries need to have high power supply therefore they can be used for a longer duration than usual. An example of such a battery is gel cell batteries. They contain the electrolyte in the form of a gel. They have various other names by which they are popular. It is also called as dry cell, maintenance-free, non spill able batteries. They can endure extreme conditions of low and high temperature. The applications of such batteries are in motorcycles, wheelchairs, and also in the radio communications. They can be used over a long period of time by recharging it periodically. However few directions on how to charge gel cell batteries is essential to recharge.