47 Battery Tester • test range 6 - 20 volts • the open-circuit voltage (at the beginning) and the voltage under load (after the -- characters) are displayed. • after a short while, the display shows „OF“ - the battery tester switches off automatically to protect the battery • no batteries required Ref. no. Colour Voltage levels € 442369 black 6 - 20 V 1/16 Battery Charger for 12 Volt wet batteries and premium AGM batteries • the multi-stage battery charger allows batteries to be charged to almost 100 % of their original capacity thanks to state-of-the-art technology • automatic diagnosis, restoration, charging and maintenance of batteries over months thanks to fully automatic switching between charging and maintenance mode • The following output options are available: 28.6 V, 29.2 V, 14.3 V, 14.6 V • Charging current with 12 Volt battery: 2 A, 5 A and 10 A • Charging current with 24 Volt battery: 2 A and 5 A • no risk of over-charging • electronically secured against user error • spark-proof • overheating protection with mini fan inside • fully protected against short-circuits and incorrect connections • suitable for charging and maintaining electric fence batteries as well as car batteries Ref. no. € 371037 1/10 12 V Batteries What does C100 mean when referring to the capacity of a rechargeable battery? The usable capacity of a rechargeable battery is heavily dependent on the amount of discharge current. Since the rechargeable battery is completely discharged during a measurement, a discharge over a longer period (e.g. 100 hours for C100) means that the discharge current is much lower than during a rapid discharge (e.g. 20 hours at C20; C20 always applies when no other data are provided). As a result, a rechargeable battery in an application with very low discharge current has a higher usable capacity than when the same rechargeable battery is used within a shorter timespan and thus at a higher discharge current. Number of charging/discharging processes 100 Starter battery Battery capacity (% of initial capacity) Special wet battery Standard AGM battery Premium AGM Battery Expert tip: How to calculate the run time of your 12 volt battery: 1. Usable capacity = rated capacity x 0.65 2. Energy consumption of device (Ampere) = energy consumption in mA (see device type plate, e.g. 120 mA) : 1000 3. Operating period (hours) = usable capacity: energy consumption Example: 1. 88 Ah x 0.65 = 57.2 Ah 2. 120 mA : 1000 = 0.120 A 3. 57.2 Ah : 0.120 A = 476 hours (19 days)
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