As stated before, don't skimp on voltage. Lower voltage setups will
increase the current required for a given wattage proportionally. Lower
volts means you need bigger wires, and the drain on the batteries goes
up as well.
Your 70 watts is almost 6 amps at 12 volts, but only 3 amps at 24 volts,
and only 1.5 amps at 48 volts. The higher voltage system is almost
always the better choice.
bp
<part15sbs{at}gmail{dot}com>
On 3/20/2017 10:25 AM, Darin Steffl wrote:
Justin,
Our planned load for this site is only 70 watts for two backhauls, an
omni, and netonix. This should be well within range of the 155 watt
power supply, no? Our ethernet runs are also only 30 feet or less.
I also don't see that the voltage is adjustable on the AD-155 though?
Spec sheet doesn't mention it or have a picture of that.
On Mon, Mar 20, 2017 at 12:21 PM, Justin Wilson <[email protected]
<mailto:[email protected]>> wrote:
Don’t skimp by going with the lower voltage. You will run into an
amperage issues pretty quickly. Seen a 12-13 volt site with 1
backhaul and an omni run into amperage issues within a week.
Voltage is fine, just way too much amperage. It’s not worth the
headache.
Justin Wilson
[email protected] <mailto:[email protected]>
---
http://www.mtin.net Owner/CEO
xISP Solutions- Consulting – Data Centers - Bandwidth
http://www.midwest-ix.com COO/Chairman
Internet Exchange - Peering - Distributed Fabric
On Mar 20, 2017, at 1:11 PM, Darin Steffl
<[email protected] <mailto:[email protected]>> wrote:
Hello all,
We're looking to build our first DC power site for small
MicroPops and I see two options after reviewing the WISPA archives.
The first option would be the the SDR-240-24 and DR-UPS40 with
Two 12v batteries powering a Netonix DC switch.
The second option we were looking at is just doing the AD-155A
with one 12v battery but I see the charging current is only 0.5
amps and voltage is only 13.3V which is not an optimal float voltage.
My question is, to keep cost down, would we be OK going the
AD-155A route with the slightly lower float voltage with a 35ah
battery? We're ok with the battery taking longer to charge but
I'm just most worried if the 13.3V will wreck the battery or not.
Thanks all
--
Darin Steffl
Minnesota WiFi
www.mnwifi.com <http://www.mnwifi.com/>
507-634-WiFi
<http://www.facebook.com/minnesotawifi> Like us on Facebook
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--
Darin Steffl
Minnesota WiFi
www.mnwifi.com <http://www.mnwifi.com/>
507-634-WiFi
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