Battery Manager 3 User Manual
Contents
1. side of the shunt Operation Operation is described in your BatMan3 manual Resources A 0 25 ohm 1000W resistor can be purchased from DigiKey to use as a load This will place approximately a 50Amp load on a 12V battery during the test The current will slowly go down as the voltage drops It is recommended that you also purchase the mounting kit to go along with it as the resistor gets hot during the drain test 1 FSE1000 0 25 ND 0 25 ohm 1000W resistor 2 K3003 ND FSE1000 mounting kit At the time of this writing these two parts cost about 70 plus shipping and handling 3 1 29 20062. BSDesigns Battery Manager 3EL Battery Manager 3 User Manual Load Switch Appendix Bruce Sherry Designs 15621 N E 164 Street Woodinville WA 98072 8176 1 1 29 2006 BSDesigns Battery Manager 3EL Purpose The Battery Manager 3 Load Switch is an accessory for the Battery Manager 3EL to automate the battery testing process Contents The Battery Manager 3 Load Switch accessory comes with two components e Load Switch Unit e 5 foot BatMan3EL to Load Switch cable Connections The BatMan3EL to Load switch cable plugs into the side of the LoadSwitch and into the red connector from theBatMan3EL It will only plug in one way so that should not be a problem There are four screw connections to be made From left to right in the photograph the connections are 2 1 29 2006 BSDesigns Battery Manager 3EL 1 Battery positive 2 Contactor positive 3 Contactor negative 4 Battery negative The battery positive should be connected to the supply you are using to run the contactor usually the positive of the battery you are testing The contactor positive connection goes to one of the coil connections of your contactor with the contactor negative connection going to the other coil contact on your contactor The battery negative will go to the load side of the shunt connected to your BatMan3 The contacts of your contactor should connect your load resistor from the positive of your battery under test to the load
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