Rayovac or Varta Made in Germany Zinc Air Battery for Hearing Aids. The hearing aid batteries type Rayovac Varta HA312 are a blessing for all consumers! They are lightweight, compact, and offer excellent value for money, but most importantly, they have proven to have a long lifespan, averaging ten days. They weigh only five grams and are available in a convenient, rotating blister pack. The Varta HA312 batteries are mercury-free.

Optimal power supply for all types of hearing aids - for example, with Rayovac, Varta, Power One Made in Germany batteries. Long runtimes and a high voltage level characterize these special batteries. The delivery is made in packs of 6 on a blister card (price for 6 batteries). Varta is a brand of Rayovac.

Technical specifications:
Rayovac H 312MF, Varta Type HA312, International size PR41, Electrochemical system Primary Zinc Air, Diameter 7.8 mm, Height 3.45 mm, Weight 53 grams, Capacity min. 160 mAh, max. 180 mAh, Voltage 1.45 volts. Varta and Rayovac: In 2004, the stake of Microlite, a Brazilian device battery manufacturer, in Rayovac was sold. In July 2005, Spectrum Brands, as Rayovac was now called, announced the joint venture with Varta and then completely took over the Varta consumer battery business.