Is the Starter of your vehicle making a click sound whenever you start it? There can be several reasons behind this click sound. If the click sound happens in a continuous form, then it is confirmed that the battery of your vehicle has gone down. The battery of your vehicle should have enough juice in it so that it can make the vehicle to start up and turn its fly wheel to the crankshaft so that its engine works.
Foremost thing is that, you need to find it out that really it is the fault of your vehicle battery or not. You can easily find out this by turning headlights of your vehicle on and off. You should also turn on and off its ignition switch. If the light of your vehicle are not functioning, then the probability is that battery is at fault. The best option here will be to purchase an inexpensive and small battery. You can easily find them in automotive stores. You should look for a trickle charger. These chargers are used for charging the battery all night. Once you have charged the battery of you vehicle and still you are facing problems in Starter. In that case, you need to look for an alternative solution. You can remove all battery terminals from battery post and you should clean its post and check it out cable clamp present inside your vehicle. You will also find a bolt of measurement 7mm. you should also clean this bolt as well as terminals too and now try starting your vehicle again.