Gel Battery Charging

For issue regarding AC operated battery chargers and Smart Charge Manager.

Gel Battery Charging

Postby Kwin on Tue Jun 11, 2013 3:21 pm

I hope someone can help me with providing a reconditioning plan for Gel deep cycle batteries? On our Lagoon 2010 sailboat we have a bank of 4 - 12V - D4 house batteries (Exide Gel, 120.0 Ah each) connected to a Cristec CPS3 - 12V/40A smart charger. There are actually two side by side CPS3 smart charger units, both of which charge the house (Gel batteries). When at the dock with the charger on the batteries charge up to 13.8V maximum and when off charge drop down to 12.4 very quickly (1 day) without any current draw. This seems too low. The batteries have had very little actual use (less than 200 hrs.) since the boat was built. The boat has literally spent the last two years connected to shore power with the smart charger "on".

Can someone suggest some type of equalization/reconditioning procedure? If so could you provide a specific procedure for Gel these batteries?
Kwin
 
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Re: Gel Battery Charging

Postby Coulomb on Tue Jun 11, 2013 6:56 pm

You need a higher voltage to fully charge the batteries. See http://www.amplepower.com/gel/index.html

To recondition them now see http://www.amplepower.com/primer/break-in/index.html
Coulomb
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