Govert's Tools for Plotting, Printing, PDF

Electronics [this page work in progress]

Lead-acid battery charger

Govert's Tools

Charger for small (< 20Ah) lead-acid batteries. Features:

  • Constant current/constant voltage (0.7A/14.6V*)
  • Automatically switches to float mode (13.7V**) after battery has been charged
  • Protection against wrong polarity of battery
* To be set by replacing the 330 k by a smaller or larger value
** To be set with the 10 k potmeter