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Old 05 December 2015, 17:32   #1
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Battery Maintenance Charger

Any recommendations for a maintenance battery charger?

Need to look after two Odyssey PC1500 batteries that have been on the boat for a while, but not in use as yet.

Thanks
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Old 06 December 2015, 03:17   #2
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I'm in the process of selecting a pair of maintenance chargers for my 120Ah gel batteries. Previous posts on here seem to favour the Ctek range of chargers. As John Kennett often says, they're "reassuringly expensive"!
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Old 06 December 2015, 06:09   #3
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I have several ctek maintenance chargers on the go, I've got them on 2 Argocats, a Polaris Ranger and my RIB.

The one on the RIB keeps both batteries "warm" without any issues.

They seem good units.
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Old 06 December 2015, 06:16   #4
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I use a Mascot 2045 that will fast charge a 20amps and hold a maintenance charge at 13.8 volts (sitting 70mA at the minute). These are quite expensive but we use them on some of the medical equipment and they are very reliable. 2045000045 - MASCOT - 2045 Series 12V 20A Bench Charger | CPC UK
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Old 06 December 2015, 07:21   #5
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Quote:
Originally Posted by willk View Post
Previous posts on here seem to favour the Ctek range of chargers. As John Kennett often says, they're "reassuringly expensive"!
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Old 07 December 2015, 15:16   #6
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Thanks Chaps

Think I will go for either a Ctec M100 (expensive as you say) or an Optimate 6 (older but seem to well regarded)
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Old 09 December 2015, 04:16   #7
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I have used a 20 auto charger from Maypole for many years. It has 2 modes, one will top up to and hold the battery at 14.4V (same as an alternator) the other will hold the battery at about 12.85V (maintenance charge). So you don't need to spend a fortune to keep batteries happy. I use this on the RIB, my ride-on lawnmower, vehicles I'm not using, and various other batteries that I have lying around. Sold my 13 year old Discovery a few months back with its original battery in it, so seems to be effective!

I have 4 Maypole chargers from a trickle charger built in to a plug up to a 30A boost charger, and they are all good, both quality and price.
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Old 09 December 2015, 04:53   #8
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Following on from Bog Monster's value angle I'm looking after two small boat leisure batteries and an infrequently used car's battery with one of these...

Battery Charger Streetwize 12V 1.5amp Compact Automatic Trickle Car Motorcycle | eBay

It's reassuringly cheap at around 16 with a reassuringly cheesy name.
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Old 11 December 2015, 08:17   #9
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What a remarkably well timed thread. It has saved me asking the same Q!

I had Halford's "auto switching between charge & maintenance" offering of 10 years ago looking after the leisure battery I fitted to the rib......

I am now shopping for both a new battery & charger........
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Old 11 December 2015, 08:35   #10
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Well I have used a Black &Decker three band charger for years to maintain my two batteries during the winter and never had any problems.


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