
52 TESTER
CHARGING THE BATTERY PACK
The Tester constantly charges the NiCad battery pack as long as it is connected to a 12
VDC power source. In normal use, the Tester keeps the battery pack adequately charged.
However, if the Tester is used for extended periods of time with the vehicle ignition off, or
stored for an extended period of time without use, the NiCad battery pack may become
discharged.
To recharge the battery pack, connect the Tester to a 12 VDC power source such as the
vehicle battery or the 12-volt AC/DC power supply or remove the six batteries from the
battery pack and recharge the individual cells in a commercially available AA cell NiCad
battery charger. It takes approximately 16 hours to fully recharge the battery pack.
However, 4 hours of charging time provides a partial charge and allows approximately 30
minutes of Tester operation.
Remember, the battery pack is required only when power is not available at the cigarette
lighter socket. If the battery pack is not charged and you need to use the Tester, simply
connect the Tester directly to the vehicle’s battery with the Battery Adapter Cable and
cigarette lighter DC power cable supplied with the Tester kit. This allows operation of all
diagnostic procedures with the Tester and starts recharging the battery pack at the same
time.
It is recommended that the battery pack be charged overnight using the AC/DC power
supply at least once a week (or more often if required). You can’t charge the battery pack
too often.
If “ATTENTION! TESTER BATTERY VOLTAGE LOW” is displayed after the battery
pack has been properly charged, then the NiCad batteries are not capable of being
recharged and must be replaced.
REPLACING THE NICAD BATTERIES
The capacity of the NiCad batteries decreases over time and needs to be replaced
periodically. The six batteries originally equipped with the Tester are 1.2-volt High
Capacity 700 milliampere hour (mAh), AA size, NiCad rechargeable batteries. This type
of battery is available at certain electronic supply stores, or may be ordered from the
nearest Vetronix Service Center listed in the Introduction. Lower capacity batteries (500
mAh) can also be used in place of the high capacity type. (Note: Do not mix high capacity
and low capacity NiCad cells within the battery pack.) When replacing NiCad batteries,
always replace all six cells for maximum battery life.
To replace the batteries, do the following:
1. Disconnect the power supply cable from the vehicle and from the Tester.
2. Press px to turn the Tester off.
3. Press the tab at the bottom end of the battery pack while pulling the battery pack
toward the bottom of the Tester.
CAUTION
CAUTION!
Only use NiCad rechargeable batteries in the Tester battery
pack. Other types of batteries may burst causing personal injury
and damage to the Tester.
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