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John User

WBT power options

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The WBT can be powered by any power source from 8V to 24V using the main power connector.  The system ships with an AC brick that will run the system from AC power (110 to 240 VAC, 50-60Hz), and a DC power cable (cigarette lighter interface).  Additionally, QRC has available external battery packs that can power the system for hours if another power source isn’t available.  The system can support “hot swapping” of power, to allow time to rotate batteries or to change from one power source to another without interruption or having to power on/off the system.

 

 

Edited by Tom C

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The WBT can be powered by a wired mains connection, a DC connection (car battery), and I believe external battery packs are also purchasable from QRC.

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Does anyone have any anecdotal information about how long the WBT can be powered by a 12V lead acid battery?

We have no antecdotal information, but we do have some recommendations. Use only deep-cycle or marine sealed batteries, using either gel or AGM technology. Conventional automotive starter batteries are designed for starting motors, not for extended discharge, so avoid them.

As an example, this AGM battery from WalMart provides 35 Ah at 12V. The WBT-200 draws about 4.7A at 12V, so just doing the math yields 7.4 hours. However, the battery voltage decreases as it discharges, so we would only get perhaps 80% of that time before under-voltage. This is about 6 hours. Runtime greatly depends on the battery selected.

We do not necessarily recommend this particular battery, it is only used as an example.

http://www.walmart.com/ip/Universal-Studios-SEALED-LEAD-ACID-BATTERIES-12V-35-AH-UB/32524519

As a note the Product "Q3100-POWER" is available which will run a WBT for about 4 hours off of batteries.  Note that the WBT 200 and 210 both have the ability to run while power is swapped for a brief time, so if longer is needed (and you are there) additional batteries can be swapped in to produce a needed run time.  

Attached is a data sheet for that product should it be of interest.  

 

QRC Battery Power Pack 11Sep2015.pdf

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