National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Mains charger with variable output voltage.
Dittrich, Marek ; Šteffan, Pavel (referee) ; Boušek, Jaroslav (advisor)
Nowadays every portable electronic device, tool or machine is powered by some type of accumulator. It is not possible to standardize types because the use of batteries is influenced by the power output, capacity, weight or price. They also differ in charging voltage, depending on their chemical composition. For this reason, it is often necessary for each type to have its own charger. In this case, an attempt has been made to simplify charging and reduce charger procurement expenses by designing a charger with adjustable voltage from 2.6 V to 20 V. This range can cover the charging of most types of accumulators available on the market.
Mains charger with variable output voltage.
Dittrich, Marek ; Šteffan, Pavel (referee) ; Boušek, Jaroslav (advisor)
Nowadays every portable electronic device, tool or machine is powered by some type of accumulator. It is not possible to standardize types because the use of batteries is influenced by the power output, capacity, weight or price. They also differ in charging voltage, depending on their chemical composition. For this reason, it is often necessary for each type to have its own charger. In this case, an attempt has been made to simplify charging and reduce charger procurement expenses by designing a charger with adjustable voltage from 2.6 V to 20 V. This range can cover the charging of most types of accumulators available on the market.

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2 Dittrich, Michal
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