– 24 –Charger■ Power supply (Fig. 2.1)■ Charge indicator (Fig. 2.2)■ Charger plug (Fig. 2.3)Important note:The battery packs must be charged before using them for the first time.Charging process1. Connect the charging cable with the USB power supply unit and plug the USB power supplyunit into a socket. The charge indicator (Fig. 2.2) will light up green.2. Remove the contact protector (Fig. 1.4) and connect both battery packs to the charging plugsof the charging cable (Fig. 2.4). Please refer to the diagram on the charging plugs for correctorientation. The battery packs can be charged in any operating mode.3. The charging process starts after one-time operation of the control button (Fig. 1.3.).4. The charge indicator (Fig. 2.2) will light up red during the charging process.5. Once the battery packs are fully charged, the charging process automatically ends and thecharge indicator (Fig. 2.2) changes back to green.6. The charging status can be monitored by looking at the LEDs on the battery pack, which willlight up in ascending order as the charge increases. It can also be optionally monitored with theLenz Heat App* convenient control app.7. After the end of the charging process, please disconnect both battery packs from the chargingplugs.Important note:■ The percentage indicator in the Lenz Heat App* may show slightly different chargingTECHNICAL SPECIFICATIONSFIRST USE AND CHARGINGGlobal USB power supply unit(with exchangeable plug)Input: 100 V - 240 VAC(50/60 Hz), max. 150 mAOutput: 5V / 1A DClithium pack rcB 1200 Output: 3.7 V / 2400 mAhlithium pack rcB 1800 Output: 3.7 V / 3600 mAhOPERATING INSTRUCTIONS / ENGLISH