CTEK might take their time to release products but when they do they normally reset the bar. These units are no exception.

CS Free a truly portable battery charger, removed from mains power. The onboard Lithium Power Bank provides the energy to the smart intuitive CTEK smart charger. It provides power from 5V right up to 20V DC for charging USB-C devices. It can maintenance charger a typical 12V battery, doesn't matter if it's Lead Acid or Lithium - the CS Free will work it out. If your car has a flat battery within 20 minutes the CS Free would have replaced enough energy for you to start the vehicle and get back on the road. The CS Free is a portable charging revelation.

Updated Battery Sense App download the latest version of the app which includes temperature monitoring, state of charge and voltage. A great local addition and reminder to charge, maintain and service your vehicles charging needs.

D250SE is the replacement for the D250S Dual & D250SA. But now includes an AGM Charge Profile along with a Lithium Profile and Ignition Feed Input. A software upgrade also means this unit can charge and maintain your start battery from the solar input once the house batteries are fully charged. Other features included from the previous model are the MPPT solar & alternator input.