Opto Circuits India Ltd offers Fluid Warmers with Battery-Powered Disposable. Opto Circuits India Ltd has ISO 9001-2000 and ISO 13485-2003 quality system certification. Opto Circuits India Ltd supplies various types of Power Protection & Controlling Equipments. The Fluid Warmers with Battery-Powered Disposable is an in-line, battery-powered disposable, lightweight and completely portable blood and IV fluid infusion warming device, capable of intravenous application and irrigation warming.