Few things can ruin your day as suddenly as trying to start your car and being met with the dead silence of a dead battery. If you’re unlucky, your best bet is to find someone else with a functional ...

This compact but powerful jump starter can revive petrol engines up to 6L – and it’s under £32 in a limited-time deal. This must be one of the cheapest heavy-duty jump-start packs on sale right now, ...