FIELD: electricity.
SUBSTANCE: uninterrupted power supply is attributed to electric power supply devices with backing-up of class ac/dc electric power converter by packaged floating storage battery of acid-lead type. Uninterrupted power supply can be used to supply electric power to equipment of different purposes. To achieve technical result diode and resistor have been additionally used which fact allowed to exclude charging currents exceeding permissible values.
EFFECT: increase of lifetime of sealed accumulator battery of acid-lead type in uninterrupted power supply unit.
2 dwg
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