Charging Batteries - Invacare Wheelchair Pronto M91 Base Owner's Manual

SECTION 9—BATTERIES

Charging Batteries

DANGER
When using an extension cord, use only a three wire extension cord having at least
16 AWG (American Wire Gauge) wire and the same or higher electrical rating as
the devise being connected. Use of improper extension cord could result in a risk of
fire and electric shock. Three prong to two prong adapters should not be used. Use
of three prong adapters can result in improper grounding and present a shock
hazard to the user.
WARNING
Never attempt to recharge the batteries by attaching cables directly to the battery
terminals.
DO NOT attempt to recharge the batteries and operate the wheelchair at the same
time.
DO NOT attempt to recharge the batteries when the wheelchair has been exposed
to ANY type of moisture.
DO NOT attempt to recharge the batteries when the wheelchair is outside.
DO NOT sit in the wheelchair while charging the batteries.
DO NOT attempt to recharge the batteries using both the on-board battery
charger AND an independent battery charger (plugged into the joystick charger
port) at the SAME time. Doing so will reduce the life of the batteries.
READ and CAREFULLY follow the manufactures instructions for each charger
(supplied or purchased). If charging instructions are not supplied, consult a qualified
technician for proper procedures prior to use.
CAUTION
New batteries MUST be fully charged prior to initial use of the wheelchair.
Always fully charge new batteries before initial use or battery life will be reduced.
As a general rule, you should recharge your batteries as frequently as possible to
assure the longest possible life and to minimize required charging time. Plan to
recharge them when you do not anticipate using the wheelchair.
Some basic concepts which will help you understand this automatic process are:
The amount of electrical current drawn within a given time to charge a battery is called
"charge rate". If, due to usage, the charge stored in the battery is low, the charge rate is
high. As a charge builds up, the charge rate is reduced, and the battery charger rate
decreases to a "trickle charge".
NOTE: If the batteries need to be charged more often or take longer to charge than normal, they
may need to be replaced. Contact a qualified technician.
NOTE: The batteries can be charged using the on‐board battery charger or by plugging an
independent battery charger into the port located on the front of the SPJ‐80/DPJ/MPJ joysticks.
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Part No 1143153 Pronto® M91™Base with SureStep®