Velleman projects K8012 Assembly instructions - Manual (Page 15)

15
Use: perform the necessary settings before you hook-up the battery to the unit :
Select the appropriate charge current and voltage according to the capacity of the battery.
Batteries < 4Ah: 0.3A charge current
Batteries > 4Ah: 1A charge current
You can easily estimate the charging time with the following formula :
Pay attention to the polarity when you hook-up a battery to the charger.
Switch on the unit, to start the charging cycle.
Batteries should be charged in a well ventilated area, because of the possible emission of gases.
Approx. charging time (hours) = (battery capacity (Ah) / charging current (A)) x 1.2
Connection & use