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Ultra Power 240AC Plus Quad Port Multi-Charger
Showing 1 of 19 conversations about:
Ultra Power 240AC Plus Quad Port Multi-Charger
ck.tan
9
May 8, 2017
I am interested. but any one knows of any existing users or are personally using and having issues like this ? https://www.rcgroups.com/forums/showthread.php?2649422-Ultra-Power-UP240AC-Plus-issues
Hope what he had was just a one-off faulty unit ..
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airjordan
77
May 10, 2017
ck.tan@Dirt_Cheap_RC any input on this issue?
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ck.tan
9
May 10, 2017
airjordanhey airjordan, i won't be joining this drop. I am eyeing instead on this http://www.skyrc.com/index.php?route=product/product&product_id=236.
if you don't need 4 ports, this one has 2 and can handle up to a whopping 400w on a single channel. if you charge 2 at one go, 400w is shared between port 1 and 2.
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Dirt_Cheap_RC
22
Dirt Cheap RC
May 10, 2017
airjordanI'm not a charger programmer, so here are my guesses. 1) It sounds like the charger may be faulty and in need of warranty / repair. We use this charger as well as other ultra power chargers around our shop and don't encounter this issue with good, functional batteries. 2) I believe that most chargers don't 'balance discharge'. So when discharging, they may read the main voltage only. The voltage readings on the entire pack were 9.09V when he was done discharging. So under this theory, the charger simply discharged the battery from the Main Positive and Negative lead, just like your ESC would, and the battery discharged more quickly on cells 2 and 3. This could indicate that those cells are weaker than cell 1, therefore discharging faster. Both are my guesses. I don't know for sure :-/
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