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18 Wrangler
VI. BATTERIES AND CHARGING
FREQUENTLY ASKED QUESTIONS (FAQS)
How does the charger work?
When your Wranglers battery voltage is low, the charger works harder and sends more electrical current to the
batteries to bring up their charge. As the voltage of the batteries approaches a full charge, the charger sends less
electrical current to the batteries. When the batteries are fully charged, the current sent to them from the charger is
at nearly zero amperage. Therefore, when the charger is plugged in, it maintains the charge on your Wranglers
batteries but does not overcharge them. Even though the charging maintenance feature is built into your Wranglers
onboard charger, we do not recommend that you charge your Wranglers batteries for more than 24 consecutive
hours.
Can I use a different charger?
For the safest, most efficient, and balanced charging of your Wranglers batteries, you should simultaneously
charge both batteries using only the manufacturer-supplied onboard battery charger.
How often must I charge the batteries?
Two major factors must be considered when deciding how often to charge your Wranglers batteries: all day PMV
use on a daily basis, and infrequent PMV use.
With these considerations in mind, you can determine just how often and for how long you should charge your
Wranglers batteries. We designed the onboard charger so that it does not overcharge your PMVs batteries;
however, you may encounter some problems if you do not charge your batteries often enough and if you do not
charge them on a regular basis. Following the five guidelines below provides safe and reliable battery operation and
charging.
n If you use your Wrangler daily, charge its batteries as soon as you finish using it for the day. Your PMV will be
ready each morning to give you a full day of service. We recommend you charge your Wranglers batteries
for 8 to 14 hours after daily use.
n If you use your Wrangler once a week or less, charge its batteries at least once a week for 12 to 14 hours at
a time.
n Keep your Wranglers batteries fully charged.
n Avoid deeply discharging your Wranglers batteries.
n Do not charge your Wranglers batteries for more than 24 consecutive hours.
How can I get maximum range or distance per charge?
Rarely will you have ideal driving conditionssmooth, flat, hard driving surfaces with no wind or curves. You will
often face hills, sidewalk cracks, uneven and loosely packed surfaces, curves, and wind. All of these driving
conditions affect the distance or running time per battery charge. The following are a few suggestions for obtaining
the maximum range per battery charge.
n Always fully charge your Wranglers batteries prior to your daily use.
n Maintain 14 psi (pounds per square inch) in all of your Wranglers tires.
n Plan your route ahead to avoid as many hills, cracked, broken, or soft surfaces as possible.
n Limit your baggage weight to essential items.
n Try to maintain an even speed while your Wrangler is in motion.
n Avoid stop-and-go driving.