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1. Perfect Compatibility: Specifically designed for Sony NC-5WM, NC-6WM, and WM-701C devices, this gumstick battery 1-528-231-11 ensures seamless compatibility. Enjoy peace of mind knowing that your device is powered by a battery tailored to its specifications.
2. Reliable Power: With high-quality construction and reliable performance, this gumstick battery delivers consistent power to your Sony devices. Say goodbye to sudden power failures and enjoy uninterrupted usage for your portable audio equipment.
3. Long-lasting Performance: Equipped with advanced battery technology, this gumstick battery offers extended runtime, allowing you to enjoy your favorite music or recordings for longer periods without needing to recharge frequently. Upgrade your Sony devices with this reliable power source for enhanced convenience.
Compatible with Sony 1-528-231-11, D-777, D-E01, D-E888, D-E900, D-E905, D-E990, D-E999, D-EJ01, D-EJ825, D-EJ885, D-EJ915, D-EJ925, D-EJ955, D-EJ985, D-EJ1000, D-EJ2000, D-NE1, D-NE9, D-NE10, D-NE20, D-NE20LS, D-NE830, D-NE830LS, D-NE900, D-NE920, MZ-E25, MZ-E30, MZ-E33, MZ-E35, MZ-E900, MZ-E909, MZ-E520, MZ-EP11, MZ-M10, MZ-M100, MZ-N1, MZ-N710, MZ-N910, MZ-NF810, MZ-NF810CK, MZ-NH900, MZ-R55, MZ-R90, MZ-R91, MZ-R900, MZ-R900DPC, MZ-R900PC, MZ-R909, MZ-RH10, MZ-RH910, NC-5WM / NC5WM, NC-6WM / NC6WM, NH-9WM / NH9WM / NH-9WM(N) W, NH-10WM / NH10WM, NH-14WM / NH14WM / NH-14WM(A), NW-MS9, NW-MS11, TCM-80V, WM-701C, WM-EX5, WM-EX20, WM-EX190, WM-EX511, WM-EX610, WM-EX612, WM-EX615, WM-EX618, WM-EX622, WM-EX670, WM-EX672, WM-EX900, WM-EX910, WM-EX921, WM-EX2000, WM-F100, WM-FX675, WM-GX674, WM-RX707 Panasonic HHF-AZ09, HHF-AZ01, RFKFHFAZ01E2, RFKFHFAZ09PM, HHF-AZ201S, HHF-1P, HHF-1PSC, IR14M, RP-BP140H, RP-BP61, RP-BP61PY, RP-BP62, RQ-S15, RQ-SX75, RP-BP62, RP-BP105, RX-SA79, SL-CT700, SL-CT730, ST-CT790, SL-CT800, SL-CT810, SL-CT820, SL-CT830, SJ-MR220, SL-J905, SL-J910 Portable CD / MD / MP3 Player JVC BN-R127 / BNR127, BN-R1210 / BNR1210, QAB0011-003 / QAB0011003, XM-P55, XM-P55SL, XM-PX70, XM-PX70WT, XM-PX70BU, XM-PX70PN Sharp AD-N55BT / ADN55BT, MD-MT190, MD-MT190H, MD-MT888, MD-MT888H, MD-ST500, MD-ST70, MD-ST77 Player Aiwa MHB-901 / MHB901, RP BP61, RP BP61PY, RQ-SX40 Energizer ER-GUM1 / ERGUM1 iRiver SlimX iMP-550
Puppy in the summer
Reviewed in the United States on March 18, 2025
Didn't work. Tried to charge it using a CD player connected to a wall plug and a dedicated charger.
C K
Reviewed in the United States on January 22, 2025
Excellent batteries for my little Sony Walkman recorder / radio
Frank C.
Reviewed in the United States on September 7, 2024
This was a replacement battery for my Sony portable disc recorder. I charged correctly and is functioning as it should.
S. Wong
Reviewed in the United States on September 12, 2024
For old Walkman and wasn’t sure it would work. Fit perfectly and now works. I’m so happy.
Ebizen
Reviewed in the United States on November 24, 2024
These do not hold a charge at all. Not recommended.
Jonh
Reviewed in the United States on April 2, 2024
These are definitely the best gum stick battery available on Amazon. Worked great in my vintage sony walkman. I have found that the best ones I've used are from/made in Australia available on ebay.
Jared Stewart
Reviewed in the United States on November 29, 2023
like the title says, the batteries work (in my case for a minidisc player) but they just don't last very long at all.
louise365
Reviewed in the United Kingdom on July 8, 2022
We bought these as my son bought a 90s walkman and this is the battery type that it uses….I’d never heard of or seen them before. They charged quickly and seem to work fine. As far as I know he has had to recharge any since the first time
Customer
Reviewed in Mexico on July 12, 2022
Difícil encontrar este producto. Se ajusta a las necesidades . Quedó Perfecto'
Kindle Customer
Reviewed in the United Kingdom on June 16, 2022
Well, my portable CD works after installing them!!
Muskokaken
Reviewed in Canada on June 1, 2022
Prompt delivery, charged and working fine in my old classic Sony Walkman WM-600 unit purchased in Japan so many moons ago. Only complaint is the green wrap colour - no much though to aesthetics here.Can't really comment on battery life or long term use yet.
Pedro García
Reviewed in Mexico on April 27, 2021
Las pilas resultaron muy útiles, duran varias horas trabajando y son de vuena calidad. Es lo que esperaba de este producto.
Bill P.
Reviewed in the United States on September 6, 2020
I got these to use in a Sony wm-ex633 Walkman. These batteries should work for all of the EX series cassette Walkmen and it did in mine.Finding an original charger or one made for gum stick batteries is hard and expensive but you can just use any universal charger that has an adjustable negative pole and takes up to C or D batteries. I got the one that was frequently bought together with these batteries that Amazon recommended.The thing about the new old stock or used gum stick batteries you can find used is that they’re known not to hold a charge long at all. These may be cheap quality in some people’s eyes but they’re definitely reliable and one of the only sources of these batteries still made today so I’m glad to be able to find these.And like I said, no need to buy a special charger for these. A universal charger that can charge NiMh batteries and is long enough to fit these will do the trick even if they claim to only support cylindrical batteries.
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