Keystone offers the most complete, proven line of battery holders, components and hardware worldwide. Designed and engineered for equipment manufacturers who produce electronic instruments, apparatus and systems, the prime feature of their products is their "high reliability".

They maintain constant spring tension, assuring low contact resistance. This makes them ideally suited for applications such as electronic components, computers, office equipment, home and industrial controls, appliances, power tools, automotive, medical and defense electronics.

Pioneering new products to high standards of engineering excellence, their expertise exemplified by the broad range of battery components they manufacture. They offer aluminum, steel and plastic holders; a wide range of clips, contacts and accessories, molded and stamped coin cell holders, battery connectors and battery snap-ons. All are available in stand-alone and PC board configurations.

Their battery holders, components and hardware will accommodate "A" • "AA" • "AAA" • "AAAA" • "N" • "C" • "D" • "9 Volt" • "Button" and "Coin Cell" sizes, in complete range of energy systems - Alkaline, Lithium, NiCd, NiMH and Zinc type batteries. RoHS complaint