Small very convenient charger and electronics that manages the battery charge automatically I test it on a car battery he charge in 6 hours after charging it stops automatically and charge the battery recovers from the request I made the test one week it works very well everything is automatic it's great no risk to the battery it manages very well. This type of charger that is in the conmmerce between 70 and 100 euros .it's true when you see the PRICE this is said is the M ben ...... NO it works very well you can buy in complete confidence .FERM is a DUTCH brand damage climb CHINA .for what is the delivery the next day .commander Thursday RECEIVED AT AMAZON FORT THEREIN.