Cupcar

I don't know if posted before, but here is a comparison between 993 70 ampere-hr battery and 993 RS 36 ampere-hour battery.

RS battery WITHOUT electrolyte = 19.2 pounds
993 normal battery WITH electrolyte = 40.6 pounds

Looks like around a 20 pound weight saving with an RS battery.

Don't drive around with A/C on, headlights on, fog lights on, rear window defogger on, stereo on, etc. or you will be left for dead with an RS battery - particularly if you have an RS fan drive as well.

[IMG][/IMG]

[IMG][/IMG]

clubsport1

Interestingly enough you tend to find that many RS come equipped with option M197 = Uprated battery.

This was a default option if you selected a/c (573).

The build sheet on my own RS CS comes with 197.

Johnny_law

What kind of battery is an RS Battery, Gel? Or does it take Electrolyte?

If so, it won't be 20 lb savings.

Cupcar

It is a lead acid battery.

Last time I filled one, I didn't use the entire 850 cc in the acid pack. Let's say I did, then correcting for specific gravity 850 cc X 1.275 = 1083 grams = 2.38 pounds.

19.2 + 2.38 = 21.6 pounds for RS battery, if it takes 850 cc of acid.

So 40.6 - 21.6 = 19 pounds saving.

So you are right, it is not 20 pounds, but I did use the qualifier "around" and did site with and without electrolyte in my posted weights.

Cupcar

I plan on using both depending on weather. I suspect your RS has the 8 mm threaded hole under the battery for the extra bracket required to restrain the RS battery.

993KT

I am deleting everything except for the headlights, but I do want to run a electric pump for the power steering. Not sure if the RS pulley is a good idea even if keep the bigger battery.

RS man

Not sure what all the fuss is about RS battery...... So its smaller and lighter. I've got a heavy Bosch one in mine.