PowerOne No Mercury Size 312, PR41
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49,523 reviews
covering
50+ products
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Hearing Aid Batteries & Chargers
Experiential insights by users
About PowerOne No Mercury Size 312, PR41
Overall Feedback:
88% positive
75% appreciated the broad compatibility, although 25% found it didn't fit their model
I liked the packaging of the batteries.
With the use of the Bluetooth device, the batteries typically last for 5 days.
I faced intermittent problems with the battery, which I found unusual for a battery problem. However, after switching to another brand battery, the problems disappeared.
67% liked the ease of recharging
The free carrier is convenient when attached to a keychain, providing easy access to spare batteries for up to 18 days.
To activate the battery, I need to pull the tab stuck to the back of the battery to uncover some tiny air holes and then wait for about 60 seconds to allow them to energize.
83% liked the durable battery construction, but 17% experienced premature wear
I have been using the product for 4 months with no complaints, indicating its durability.
Our batteries have a short lifespan, lasting only a day or few hours, compared to the other vendor's batteries which last around 5 days.
If the tab is not stuck on well at the factory, the air holes leak and degrade the battery before it is used.
Chinese batteries usually last a week, but they inconsistently fail in 3 to 5 days.
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68% appreciated the easy-to-use design, but 32% found it confusing
I recommend not purchasing batteries online as PowerOne does not know how they store them (temperature, humidity, etc.).
