9V Batteries Carbon 9 Volt Battery for Smoke Detector 6F22 Square Battery, Long-Lasting, 4 Pack

Full Charged: PKNOVA 9V 6F22 batteries are fully charged before leaving factory. Battery life is Long-lasting.

Reliable quality: Smoke detector batteries improved low self discharge design,even at temperatures as low as -4°F degrees or as high as 140°F degrees.

Safety first: PKNOVA 9v batteries are double-sealed for safety and leakage, in addition does not contain chromium, lead, or mercury chemicals.

Wide Application: Smoke detector,multimeter,alarm system, remote control toys, wireless doorbell,wireless microphone, wireless headset,home security devices, medical devices etc.

After-Sales Service: If you have any questions, please feel free to email us. We are committed to providing the highest quality products and outstanding customer service.