disability equipment: Power problems lead to summer ramble in Sandy UT - 08/24/12 11:53 PM
Power problems lead to summer ramble in Sandy UT Normally the batteries on my power chair take a beating in the colder temperatures, and snow drifts, of winter ~high demand and super-cooling. So when my power supply recently dropped from providing ten hours of go to twenty minutes of uncertainty, investigation was necessary.
Possible short, or bad battery cell? On strip down, I found both inside brushes had jarred loose, but were still functioning. Batteries showed full charge and tested well under load. Still the malfunction.
Enter my standby batteries. Like spare tires, these batteries normally languish in un-use, looking the … (4 comments)