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REPLACING BATTERIES
WARNING
Most batteries are not sold with instructions. How-
ever, warnings are frequently noted on the cell
caps. Read them carefully, otherwise injury or
damage can occur.
NOTE: Invacare recommends that both batteries be re-
placed if one (1) battery is defective.
Recommended Battery Types
WARNING
The waranty and performance specifications
contained in this manual are based on the use
of deep cycle gel cell or sealed lead acid
bateries. Invacare strongly recommends their
use as the power source for this unit.
CAUTION
Failure to use the correct battery size and/or volt-
age may cause damage to your wheelchair and
give you unsatisfactory performance.
CHAIR SEAT QTY VOLTS *BATTERY REMARKS
WIDTH SIZE
16,18,20-inches 2 12 22NF Deep Cycle
*NOTE: RANGER II
250 SERIES
requires U1 gel cell batter-
ies.
1. Remove the battery boxes from the wheelchair. Refer
to
REMOVING/INSTALLING BATTERY BOXES in
this procedure of the manual.
2. Remove existing batteries from the battery boxes. Re-
fer to
INSTALLING/REMOVING BATTERIES INTO/
FROM BATTERY BOXES in PROCEDURE 10 of this
manual.
3. Clean the new battery terminals.
4. Install the new batteries into the battery boxes. Refer to
INSTALLING/REMOVING BATTERIES INTO/FROM
BATTERY BOXES in PROCEDURE 10 of this manual.
Cleaning Battery Terminals
WARNING
DO NOT allow the liquid in the battery to come in
contact with skin, clothes or other possessions. It is a
form of acid and harmful or damaging burns may
result. Should the liquid touch your skin, wash the
area immediately and thoroughly with cool water.
In serious cases or if eye contact is made, seek
medical attention IMMEDIATELY.
NEVER smoke or strike a match near batteries. If the
caps of the battery cells are removed, NEVER look
directly into them while charging batteries.
PROCEDURE 12MWD WHEELCHAIRS
M
W
D
W
H
E
E
L
C
H
A
I
R
S
From Battery
Charger
Battery Charger Connector (on Side of Wheelchair)
FIGURE 4 - CHARGING BATTERIES
WHEELCHAIRS
WITHOUT
SHROUDS
WHEELCHAIRS
WITH SHROUDS
From Battery Charger
Battery Charger
Connector (at Rear
of Wheelchair)
DETAIL "B"
Front View of
Joystick
Charger Port
Battery Charger
Three (3)
Pronged Plug
From Battery
Charger
Charger
Port
Joystick
Battery
Boxes
Wheelchairs Equipped With Mark IV RII
Joystick (Detail "B" of FIGURE 4)
1. Attach the battery charger connector to the charger
port on the FRONT of the joystick.
2. Plug the charger’s AC power cord, or extension, into
the grounded 120 VAC wall outlet.
3. Wait until charging is complete.
NOTE: Allow eight (8) hours for normal charging. Larger
batteries (greater than 55 ampere-hours) or severely dis-
charged batteries may require up to sixteen (16) hours to
be properly charged and equalized.
DETAIL "A"