Specifications

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 Charging the battery
1. Insert the plug of the battery charger into an electrical outlet.
2. Place the battery securely into the battery charger as far as it will go.
* The charging time is approximately 1.5 hours. (Note that the actual time will vary depending on the amount of charge
remaining in the battery.)
3. When the CHARGE indicator (orange) turns off, charging is complete.
* If the ERROR indicator flashes, it means that there may be a problem with the battery. Refer to the troubleshooting section
for details.
4. Disconnect the plug of the battery charger from the electrical outlet, and store the battery charger in a safe place according to
the safety instructions.
Illuminates orange
 Troubleshooting
If an error occurs
• Remove the battery from the battery charger, disconnect the plug from
the electrical outlet, and then repeat the charging operation.
• If charging cannot be carried out even after the above steps are taken,
the ambient temperature may be too low or too high, or there may be
a problem with the battery.
If charging is not possible, the ERROR
indicator on the battery charger will flash.
INTERCHANGEABILITY INFORMATION
The ULTEGRA 6770 series is not interchangeable with the DURA-ACE 7970 series.