PD4655 Charging Graph
I have been reading quite a bit about different converters and charge rates, specifically some claims that PD's seem to drop off earlier than other brands. That is not what I have noticed on my setup,...
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Converter voltage doesn't appear to max out at 14.4V Here's another plot, same result. This setup also has 2 x G24 batteries with resistance about 12 mohm.
Your plot is also looking good because the batteries aren't charged that hard. You got 60A/300AH = 0.2C. Many have a 60A PD. If you have 2xG24, that's 170AH. They're trying to charge at 60A/170AH = 0.35C. The PD won't do it. Other converters with output voltage of 14.8V have no problems goosing the batteries with 60A.
BTW, the PD won't charge 2x GC2 at 220AH. Charge rate = 60A/220AH = 0.27.
Your plot is also looking good because the batteries aren't charged that hard. You got 60A/300AH = 0.2C. Many have a 60A PD. If you have 2xG24, that's 170AH. They're trying to charge at 60A/170AH = 0.35C. The PD won't do it. Other converters with output voltage of 14.8V have no problems goosing the batteries with 60A.
BTW, the PD won't charge 2x GC2 at 220AH. Charge rate = 60A/220AH = 0.27.
ah64id wrote:
Based purely on what I saw with mine and what the battery voltage is I am going to assume that the voltage at the converter (on the circuit board) was instantly, or nearly instantly, brought up to ~14.4 and that is why the PD started cutting amperage.
