20 TDS-A-BA-e-23117.5 Rechargeable battery operation (factory option)ATTENTION The rechargeable battery and the battery match with eachother. Only use the delivered mains adapter. Do not use the balance during the loading process. The rechargeable battery can only be replaced by the sameor by a type recommended by the manufacturer. The rechargeable battery is not protected against all environmental in-fluences. If the rechargeable battery is exposed to certain environmen-tal influences, it may set on fire or explode. Persons may be injured ormaterial damage may occur. Protect the rechargeable battery against fire and heat. Do not bring the rechargeable battery in contact with fluids,chemical substances or salt. Do not expose the rechargeable battery to high pressure ormicrowaves. Under no circumstances the rechargeable batteries and thecharging unit may be modified or manipulated. Do not use a defective, damaged or deformed rechargeablebattery. Do not connect or short-circuit the electrical contacts of therechargeable battery with metallic objects. Liquid may squirt out from a damaged rechargeable battery. Ifthe liquid gets into contact with the skin or the eyes, the skinand the eyes may be irritated. Ensure the correct polarity when inserting or changing the recharge-able battery (see instructions in the battery compartment) The rechargeable battery operation is overridden when the mainsadapter is connected. For weighing in mains operation > 48 hrs. therechargeable batteries must be removed! (Danger of overheating). If the rechargeable battery starts to smell, being hot, changingthe colour or being deformed, it must be immediately unplug-ged from mains supply and from the balance if possible.7.5.1 Load rechargeable batteryThe rechargeable battery pack (factory option) is charged using the mains cable sup-pliedBefore the first use, the rechargeable battery package should be charged by con-necting it to the mains power cable for at least 15 hours.To save the rechargeable battery, in menu (see chap. 13.3.1) the automatic switch-off function < Autoff> can be activated.If the capacity of the rechargeable batteries is exhausted, <Lo Bat> appears in thedisplay. Connect the power cable as soon as possible to load the rechargeable battery.Charging time until complete recharging is approx. 8 hrs.