Congrates! That was another reason I replaced my OEM converter with the PD converter. Every time I tested it it was around 13.4 - 13.6. I was afraid I was going to cook my new AGM's so I would only plug it in for one day about once a month while in storage.
Not to mention if they needed to be charged quickly I didnt have any faith they would.
Perhaps they went into "equalization mode" for you? How long where they on charge? I think the PD says their converter goes into a short "15 minute" equalization mode every 21 hours. Not sure how the WFCO is programed.
I used a mutli meter at the batteries to test mine randomly.
Perhaps my OEM converter was fine (its my "backup now") but I didnt want to risk it.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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