11 Apr
2014
11 Apr
'14
6:20 p.m.
On Fri, Apr 11, 2014 at 3:15 PM, John R Pierce pierce@hogranch.com wrote:
4 large healthy car car batteries in serial will run it for a few hours on a charge. 48VDC is telco power, which is positive ground, negative 'juice'
Or two large diesel truck 24VDC batts. Don't you have those up there? Down here I've seen ' em...
I've found a local seller of a 220V AC to 48VDC switching power supply, very inexpensively because it's used (in working condition). But it's only 480W...
FC