148 Troubleshooting
Checking compatibility
Check the battery label to see whether the battery is
Li-ion or NiMH. The TP9100 chargers support the
following batteries:
Checking the firmware version of your
charger
To check the firmware version of a charger:
1 Remove DC power from the charger.
2 Insert a metal object, such as a screwdriver, into
the cradle, and use the object to short the middle
two battery contacts.
3 While shorting the contacts, reapply DC power and
count how often the charger LEDs flash:
■ the number of red LED flashes indicates the
major version number.
■ the number of green LED flashes indicates the
minor version.
■ the number of orange LED flashes indicates the
patch version.
Charger Battery type
Desktop charger
(TPA-CH-001)
NiMH only
Desktop charger
(TPA-CH-002)
■ NiMH
■ Li-ion if the charger has firmware
version 2.02
1
or later
(after serial number 21066083)
1. To check the firmware version of a charger, see "Check-
ing the firmware version of your charger" on page 148 be-
low.
Multicharger ■ NiMH
■ Li-ion if the charger has firmware
version 2.02
1
or later
(after serial number 21067274)
Vehicle charger All
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