A&D Weighing EW-12Ki - Manual (Page 34)

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11-3. OP-09 Rechargeable battery pack (Ni-MH)
By installing the rechargeable battery pack (Ni-MH) into the balance, cordless
operation can be carried out for approximately 9 hours (used with the LCD backlight
off).
‰ OP-09 cannot be used together with OP-04.
‰ The battery life will vary depending on how the balance is used,
ambient temperature and so on.
Charging the battery pack
Connect the AC adapter to the balance and turn the power off, then charging starts. It
will take approximately 15 hours to reach full charge.
‰ If “ lb0 ” is displayed when using the battery pack, immediately stop
using it, and recharge the battery pack or use the AC adapter.
‰ Charge the battery pack at a temperature between 0°C (32°F) and
40°C (104°F).
‰ Do not charge too long. Overcharging will reduce the life of the
batteries.
‰ Be sure to charge the battery pack when using for the first time or if
it has not been used for a long time (more than one month).
Recharging two or three times may be needed to reach full charge.
‰ Be sure to use only the AC adapter that is provided with the EK/EW-i
balance.
OP-09 Installation
See the OP-04 installation.
11-4. OP-12 Carrying case
OP-12 is available for the convenience of carrying the balance by hand. However, note
that because these balances are precision equipment, they will not be able to
withstand excessive shock, such as being dropped.