Super thing finally all bad old batteries incorruptible sorted, the "good" identified and re-cultivated. Power consumption obviously minimal, no heat generation, Auto-off and (cold) switching power supply.
Important to me was the exact determination of the battery capacity in mAh, and the ability of the battery refresh and revitalize older batteries, if even possible. Giant display, the WG. super bright illumination can serve in the basement as a night light)
