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QM-7 SERIES SERVICE MANUAL

PAGE 1.8

JANUARY 2012 SUNRISE MEDICAL

• Batteries function as a power wheelchair’s

fuel tank. The larger the group size, the

farther the wheelchair will go.

• Use the size speciﬁ ed by the wheelchair

manufacturer. Never use undersized

batteries

• This chair uses either 22NF, or GRP 24

Batteries. Flat-top batteries help lower the

seat to ﬂ oor height.

• Deep-cycle batteries used in wheelchairs

are designed to be discharged and

recharged on a regular basis.

• Starting or automotive type batteries use a

rapid burst of power to start an engine and

are quickly recharged by an alternator or

generator. They are rated by cold cranking

amps, a measure that has no relevance to

wheelchair application.

• Marine and RV batteries frequently are

not deep-cycle as they are often used for

starting engines.

• Only use Deep-Cycle sealed type

batteries in a wheelchair.

Battery Types

IT IS THE RESPONSIBILITY OF THE INSTALLER TO KNOW WHAT KIND OF BATTERIES TO

INSTALL IN A CUSTOMER’S WHEELCHAIR!

•

Batteries installed incorrectly can blow the

fuse for this system. Pay careful attention

to install the battery harness across both

batteries instead of to each of the batteries

individually. See Section 7 for correct

Battery Removal and/or Installation

Section 1

Battery Size

Battery Installation

Quickie QM-7 Series User Manual

Questions and Answers: