CTEK CS Free Portable Battery Charger - 12V - 40-462

The CS FREE is a completely portable charger that will charge any 12V lead acid, AGM or lithium battery up to 130Ah. The CS FREE has an internal battery that is easily charged via USB and will hold it's charge for up to 1 year. This means you can leave your charger in your vehicle ready for when it's needed and the CS FREE will use it's Adaptive Boost Technology to get you back up and running in 15 minutes. This charger is very easy to use, is fully automatic and is suitable for maintenance charging.