Top positive review
1 people found this helpful
Dont have a shelf life as long as name brands.
By Soldat_1958 on Reviewed in the United States on June 11, 2025
These are OK batteries, but I would not recommend buying a lot of them for storage for later use, as I did. (All sizes). Brand name batteries usually have about a 10 year shelf life. I have a large home, 15 rooms total with a smoke/heat detectors in every room except the bathrooms and laundry room. So I bought quite a few of these in a couple of orders because I sawp out annually. A little over a year after my first purchase, half the D's in the box were discharged and most of the AA and AAA's were done. Buy them to use immediately, not to use later would be my suggestion.
Top critical review
1 people found this helpful
Not confidence-inspiring for long-term or rugged use.
By Edisson Salazar on Reviewed in the United States on May 11, 2025
As an audio technician, I rely heavily on 9V batteries for wireless mics, effects pedals, and testing equipment. I decided to try the Amazon Basics 9V batteries thinking they'd offer decent performance for non-critical uses—but unfortunately, they’ve been completely unreliable. Voltage Instability: From the start, several units tested below 9.0V fresh out of the package—some as low as 8.4V. That’s a red flag for any critical application. When used in wireless transmitters, these batteries caused inconsistent signal drops and early low-battery warnings, even after less than 2 hours of use. Discharge Rate: The self-discharge rate is clearly high. Batteries stored for 3 months in room temperature already showed degraded voltage (~8.6V) with no usage. I monitored power draw over time with a data logger and confirmed that these cells struggle under even moderate loads. Build Quality & Fit: The outer casing feels slightly thinner than name-brand batteries like Duracell or Energizer, and the terminals feel softer—one of them bent slightly during insertion into a battery compartment.
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