Targa 1029 User Manual page 8

Standby mode. Then reconnect the power adapter in order to recharge the
battery.
4. As a rule the battery capacity will reduce to approx. 85% after performing
500 charging cycles.
5. Never leave the battery unused for a long period of time. All batteries are
subject to self-discharge. Storing the battery for a long time may cause a low
discharge status that could damage the battery. Make sure that you charge
the battery from time to time (approx. every 4 weeks).
6. While charging, never exposure the battery to high temperatures
(higher than 45 °C or 113 °F).
VIII