Review on Sony MDR-RF860, MDR-RF4000, π MDR-RF970, MDR-RF970RK, MDR-RF925 Battery Replacement by Darin Merriwether
The battery doesn't hold a charge after 2 uses
I should have guessed there might be a problem when I noticed that the replacement battery is noticeably lighter than the original battery. I charged it fully before using it and it lasted the whole movie. I returned it to the charging station (which works fine) and the next time I used it it failed in less than 15 minutes. The battery pickup service was fine, nothing special considering the high shipping cost and the fact that the seller is less than 10 miles from my house. This is the worst purchase I have ever made from Revain!
- understandable also for the old
- update available
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