Chicago Approved, White, Nickel Metal Hydride (NiMH) Products (2 items)

Chicago Approved exit signs must meet specific rules and guidelines. Signs must be rectangular 20 gauge sheet metal with a glass or plastic face. The letters and arrows must be red on white. All exit signs must be internally illuminated with at least a 10 watt lamp.

The main housing of these exit signs and emergency lights is painted white or made from a white thermoplastic.

A nickel metal hydride battery, abbreviated NiMH or Ni–MH, is a type of rechargeable battery. A NiMH battery can have two to three times the capacity of an equivalent size NiCd, and its energy density can approach that of a lithium-ion battery.