Best quality control

We lead in quality with the industry’s advanced testing facilities. Over the 1M cells we make each year are subjected to severe five-category testing covering discharge performance, leak resistance, shelf life, performance in extreme environments, and product stability over time.

Process Diagram For Comprehensive
Testing Of Alkaline Battery 4Q

test-process

Battery care

Follow the easy battery care tips below to get the most out of you DUREDAY Batteries!

Safety Tips

To prevent battery shorting, leakage or rupture:

  • Never dispose of batteries in fire, as they could explode.

  • Do not attempt to recharge a battery unless the battery specifically is marked "recharge.

Safety Tips

  • Use the correct size and type of battery specified by the manufacturer of your device

  • Keep battery contact surfaces and battery compartment contacts clean by rubbing them with a clean pencil eraser or a rough cloth each time you replace batteries.

    Remove batteries from a device when it is not expected to be in use for several months.

  • Remove batteries from equipment while it is being powered by household (AC) current.

  • Make sure that you insert batteries into your device properly, with the (+) and (-) terminals aligned correctly. CAUTION: Some equipment using more than 3 batteries may appear to work properly even if one battery is inserted incorrectly.

  • Store batteries in a dry place at normal room temperature. Do not refrigerate DUREDAY Batteries. This will not make them last longer. Most DUREDAY Batteries will provide dependable long life even after 5 years of storage in these conditions.

  • Extreme temperatures reduce battery performance. Avoid putting battery-powered devices in very warm places.

DUREDAY Battery Guarantee

  • All DUREDAY Batteries are guaranteed against defects in material and workmanship.