Chassis Battery Bank Example
House Battery Bank Example
The chassis batteries on your motorhome are installed and warranted by the chassis manufacturer. The coach (or
house) batteries on your motorhome are installed by Newmar Corporation, but warranted by the battery manufacturer.
These batteries are used to operate the 12 volt items that are not a direct part of the chassis. Depending on unit the
batteries may be located in the front of the coach under the front cap or may be located on a pull out tray in an outside
compartment.
Do not use the motorhome with the coach batteries disconnected.
The chassis batteries are recharged by the vehicle’s electrical system whenever the engine is running, with added BIRD,
BIM, or Charge bridge soleniods the vehicle's charging system will also charge house batteries if parameters are met. A
decline in the coach battery voltage may be noticed while the chassis batteries are being charged.
The converter will automatically charge the coach batteries when the unit is connected to a 120 volt outside power
source. The chassis batteries are isolated from the coach batteries, however with certain parameters met the
BIRD, BIM, or Charge bridge will activate and allow charge to the chassis battery also . This prevents the chassis
batteries from being drained by the interior 12 volt equipment, allowing ample voltage for engine ignition.
© 2016 Copyright Newmar Corporation. All rights reserved. For the most up-to-date version of this content, and for more product-specific information, please refer to Newgle.
Battery Inspection & Care
Remove rings, metal watch bands, and other metal jewelry before working around batteries. Use caution when
using metal tools. If a tool contacts a battery terminal or metal connected to it, a short circuit could occur
which could cause personal injury, explosion or fire.
Disconnect the 120 volt electrical power cord and the negative terminal from the coach batteries before
working on the electrical system.
Remember that when batteries are not used for an extended period of time, they may lose their charge. Periodic
charging
of the batteries during storage of the unit will increase the life of the battery. Check the external condition of the
battery
periodically. Look for cracks in the cover.