Was $1.25 NOW 75¢ each. Zinc-chloride 9V battery, the economical choice for low drain devices like remote controls, clocks, smoke alarms, radios and flashlights.
The price was fantastic, so I figured hope it lasts one hour or so. Boy, was I wrong! You just can not expect better for $1.25. Also, alkaline batteries kinda gives cheesy feeling and a little deformation (only detectable with osc.) when using with high gain opamp based circuits. Hence, carbon zinc is the only reliable option left.
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Reviewer: A viewer
from arkansas
zinc chloride batteries do not last long. do not use in smoke detectors. they also tend to leak more often.
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