Nothing terribly pretty or fancy here. I have a few cars and a tractor on maintenance chargers, I'm more reliant on this with the lock down thing... Anyway a pet peeve of mine is not knowing what the battery state of charge is when the battery has been on a charger for weeks. Bloody things aren't cheap to replace if ignored. So I'm obliged to get a multi-meter and check the voltage to see if it is acceptable, as in not too low- not too high.
I don't understand why some of the most recommended maintenance chargers do not have a battery voltage readout. I mean - how frekin simple is this to incorporate to a charge device!? Cost about $1 in production But NO ~ I have to go get another device and test for the info the charger should be giving me ! Ugh!
Anyway, way I fixed my shop floor model charger years ago with the addition of a digital battery meter that reads what ever you clamp onto.
And today I added a model airplane type voltmeter to a CTEK charger for the Mustang. and I'm sure I will be modding the new CTEK for X5 as soon as it gets here. This was a 5 minute job... of course you could take 10 or 15 and make it look better.
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Maintenance charger voltmeter mod
- scootr
- Senior Member
- Posts: 1521
- Joined: Mon Sep 16, 2019 11:27 am
- Location: USA
Maintenance charger voltmeter mod
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E89 3.0L 6 MT gone
Michelin P4s
Bilstein struts & shocks
Luxon tower brace
Michelin P4s
Bilstein struts & shocks
Luxon tower brace
- Timmyboybunter
- Senior Member
- Posts: 1477
- Joined: Fri Sep 21, 2018 12:35 pm
- Location: Bristol/Bath
Maintenance charger voltmeter mod
Cool mod
Ctek also do a lead which connects to your battery offering easy/quick connection and disconnection, which also has a built in traffic light system showing the state of charge.
More useful to have the actual voltage though definitely.
Ctek also do a lead which connects to your battery offering easy/quick connection and disconnection, which also has a built in traffic light system showing the state of charge.
More useful to have the actual voltage though definitely.
2012 VW Passat 1.4 Tsi Estate
2005 Mercedes CLK 55 AMG
2015 E89 BMW Z4 sDrive35iS (sold)
2010 E89 BMW Z4 sDrive30i (sold)
2003 E85 BMW Z4 3.0 (sold)
2005 Mercedes CLK 55 AMG
2015 E89 BMW Z4 sDrive35iS (sold)
2010 E89 BMW Z4 sDrive30i (sold)
2003 E85 BMW Z4 3.0 (sold)
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- Lifer
- Posts: 4047
- Joined: Sat May 25, 2013 8:27 pm
- Location: Stourbridge
Maintenance charger voltmeter mod
You can get round voltmeter, the sort you might fit to a bike for £5.
Drill a nice hole and fit, make a professional job of it.
https://www.ebay.co.uk/itm/Universal-Sm ... Sw88hal1JL
Drill a nice hole and fit, make a professional job of it.
https://www.ebay.co.uk/itm/Universal-Sm ... Sw88hal1JL