Words for Jaycar Kit KA1795 - add-on regulator for car battery charger

Nov 18, 2006 4 Replies

In Electronics Australia July, 1997 there was an article on an add-on regulator kit for an el-cheapo battery charger to make it fully automatic. Jaycar sell the kit.



I've had trouble finding the article and wonder whether anyone has a pdf file or link that will let me read about the kit and see what requirements it has in terms of the battery charger.



Thanks folks, Dave


"Dave"

** Jaycar, DSE etc kits come with reprints of the original article - if you go to a store the staff will let you examine the kit and instructions.

The EA July '97 Add on Regulator etc was shown with an Arlec 4 charger. The article suggests using a transformer with a 13-0-13 volt secondary and a pair of 5 amp diodes for those who wish to roll their own.

BEWARE:

I very strongly suggests you do NOT use a standard toroidal tranny for such a charger as they are COMPLETELY UNSAFE in the application.

......... Phil

I'd be interested to know if it can be used or 24 V batteries

Thanks Phil . . I didn't realsie DSE has it as they are a lot closer for me to visit than Jaycar. I'll have a look there . . and thanks for the advice. I have an Arlec Charger 8.

"Dave"

** The ARLEC Charger 8 is rated at a *meaningless* 8 amps rms OR more correctly at 4.5 amps continuous. The latter figure is the effective charging current.

A C122D SCR conducts at about 1.5 volts, so heat dissipation will be 6.5 watts or so.

....... Phil

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required