RE: Spoke with ResMed, got cable info for both batteries. Double checking with you.
Two sealed Pb-acid batteries in parallel is a non-issue when load currents and charging currents are low.
At high current, a slight mismatch in internal resistance may cause one battery to current hog.
A Battery tender Junior and the draw for a CPAP blower are a low current environment for a 35 Amp-Hr scooter battery.
They can be paralleled -- just use 10 G wire.
Starting batteries can short a cell because their plates are a lead grid with a coating that sheds and falls to the bottom of a flooded Pb-acid battery.
The ultimate battery backup:
At high current, a slight mismatch in internal resistance may cause one battery to current hog.
A Battery tender Junior and the draw for a CPAP blower are a low current environment for a 35 Amp-Hr scooter battery.
They can be paralleled -- just use 10 G wire.
Starting batteries can short a cell because their plates are a lead grid with a coating that sheds and falls to the bottom of a flooded Pb-acid battery.
The ultimate battery backup:
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JustMongo passed away in August 2017
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~ Rest in Peace ~
Click HERE to read his Memorial Thread
~ Rest in Peace ~