Average Reviews:
(More customer reviews)I got these and was excited to find reasonably priced gumstick batteries - and a charger too! But after two days of charging, they still wouldnt' power my Sony RH910 minidisc player. Now after a week of charging, they register as half full when I insert them into the RH910 - but that's enough so I can plug the '910 into the USB of my laptop and it can finish charging the batteries (one at a time). I haven't run them long enough to see if they have the same runtime as the $50 Sony battery.
EDIT: OK, after charging them a few times *in* my minidisc player, they seem to hold a charge about as long as the Sony battery. Not sure why they didn't work right out of the box, but modern batteries are complex chemistry miracles, and maybe they sacrafice the OOB performance to get long-term life?
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Equivalent to original battery model # Sony NH-14WM, NH-9WM, NH-10WM; Energizer ER-GUM1; Aiwa MHB 901; Panasonic HHF-AZ201S, HHF-AZ01T, RP-BP61; Sharp AD-N55BT; Victor BN-R129. For - Aiwa Player AM-HX100, AM-HX150, AM-HX200, Aiwa Recorder AM-F90; JVX/Vicot XM-P55SL; Kenwood Player DMC-P55; Panasonic Player SJ-SW9MD, SJ-SW90MD, MJ88, MJ80; Sharp MD-MT877, MD-MT77, MD-ST70, MD-ST66; Sony Portable MD Player MZ-N1, MZ-N10, MZ-NF810CK, MZ-R909, MZ-R900, MZ-R91, MZ-R90, MZ-E810SP, MZ-700, MZ-E610, MZ-E520, MZ-E510, MZ-E90, MZ-E75, MZ-E70, MZ-E55, MZ-E44, MZ-E33, MZ-E35, MZ-E30, MZ-E25, MZ-E10, MZ-E7W, MZ-EP11, MZ-EP10, MZ-E5, NW-MS9, NW-MS11 and other audio devices.
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