Other Power Accessories From batteries to bridge rectifiers, Securitron has a number of power supply and transfer accessories to fit all needs and requirements. Bridge RectifierSecuritron BR-4 Bridge Rectifier Cabinet Key LockSecuritron CKL Cabinet Key Lock Power Supply BatteriesSecuritron B-12-5, B-24-5 Lead Acid Power Supply Batteries Power Supply MonitorSecuritron PSM Power Supply Monitor