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Customer Service: 651-357-1861 | [email protected] | www.extrememax.com

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Battery Holder
3004.0180

Post Mount Single Battery Tray 

Assembly & Installation Instructions

Fig. 2

3092ex0418

If you have questions or do not understand any of the procedures, 

STOP

, and call the Boat Lift Boss Service Dept. at 

651-357-1861 between 8:00 A.M. and 5:00 P.M. Central Standard Time, Monday - Friday.

Fig. 1

 Caution:

• Do not exceed the one-battery capacity.
•  Periodically check all mounting hardware. Replace or repair 

any loose, missing, or damaged pieces.

Positioning the Battery Tray:

Determine the desired height and position for the battery tray. 
Optimal positioning should place the batteries 2’ – 3’ from the 
unit being powered for the easy cable attachment. Be aware of 
the boatlift’s entire range of motion and ensure the battery tray 
is clear of any moving pieces. The battery tray may be fastened 
with either the provided hose clamps or the provided self-
tapping screws. 

Installation with Hose Clamps:

Place the battery tray mounting bracket against the upright in 
the desired location. Use the two provided hose clamps to fasten 
the mounting bracket to the upright, one above the battery tray 
and one beneath the battery tray as shown. Tighten the clamps 
firmly before placing any weight onto the battery tray. 

Installation with Screws:

Place the battery tray mounting bracket against the upright in 
the desired location. Use the two provided self-tapping screws 
to fasten the mounting bracket to the upright, using the two 
screw holes located in the mounting bracket. Tighten the screws 
firmly before placing any weight onto the battery tray. 

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