DIGIWEIGH DWP-98D - Manual (Page 25)

8. BATTERY POWER AND RECHARGING
Remaining battery power of the built-in rechargeable battery is displayed on
the BATTERY POWER / LEVEL INDICATOR.
8.1 SYMBOLS AND REMAINING POWER: -
Full Battery:
≥ 6.3V;
2 Blocks:
≥6.0V;
1 Block:
≥5.7V
Frame only: ＜5.7V
8.2 BATTERY OPERATION TIME
Depends on the battery condition, a fully charge new rechargeable battery
will usually give (when connect to one 350 ohm load cell): -
 Around 70 hours of continuous operation with backlight is highest
 Around 200 hours of continuous operation without backlight.
8.3 RECHARGE BATTERY
When appears, (when battery is less than 5.7V), it means the
built-in rechargeable battery is at low voltage status. It is recommended to
recharge as soon as possible.
To protect the built-in rechargeable battery, this instrument will power off
automatically when battery voltage is at extremely low level (when battery is
at around 5.4V). If this is the case, do not attempt to power this instrument
on. Recharge this instrument immediately. Fail in doing so may cause
unrecoverable damage to the built-in rechargeable battery.
Battery charging status is shown on LCD CHARGE STATUS INDICATOR:
When charge , the status is shift of 1 block,2 block ,3 block and only frame
Battery recharge is possible while operating. Overcharge protection circuit
is built inside to prevent battery damages caused by overcharge.
Heat will be generated during recharging and it is normal to feel minor heat
at front housing of this instrument.