Unitech HT660e User Manual

Also see for HT660e: Quick reference guide User manual

16terminal or spare battery from staying in a hot vehicle. For prolonging thestorage time, keep the battery at a 40% charge level. Lithium ion batteriesoxidize least when they are stored at the state of 40% charge.To save the battery power, it is better to turn off wireless mode. Please followthe steps below to turn off the wireless modeTap Setting → Control Panel → DeviceSetting to enter the Device Setting zone.Move to the IO tab and select Disable todisable the wireless mode.Storage and Safety PrecautionsBatteries should be stored in an open environment and placed where there isno risk of accidental shorting or other damage. Although charged Li-Ionbatteries may be left unused for several months, their capacity may be reduceddue to back up and internal resistance. If this happens they will requirerecharging prior to use. Li-Ion batteries may be stored at temperaturesbetween -4°F and 158°F (-20°C to 70°C).