Battery Stores in Hayward, CA
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7 locations found near Hayward
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988 Rufus Ct, Hayward CA 94541
“2026 June Update: I did need to make use of GreenTec’s warranty after experiencing two premature battery failures. After working through the issue, it appears the root cause may have been related to the Motor Control Module (MCM) programming that had been updated under Honda Service Bulletin 10‑034 (or a later revision). That updated programming did not seem to work well with GreenTec’s replacement battery under my specific driving conditions. For context, I regularly drove sustained grades in the Bay Area (Vasco Road and Kirker Pass) several times per week. On level roads and moderate terrain, the replacement battery performed very well and helped my vehicle achieve up to 53 MPG on longer trips. However, after several weeks of repeated sustained grade use, MPG dropped substantially and the battery ultimately failed prematurely. GreenTec honored their warranty without difficulty. The solution that resolved the issue was returning the vehicle to its original MCM programming by replacing the programmable unit with a revision 2 (non‑programmable) MCM running the original Honda calibration designed for the factory battery chemistry. Since making that change, the battery has performed much more consistently on sustained grades and my vehicle gets an average of 49 MPG on longer trips. I appreciate that GreenTec stood behind their warranty, and I share this update in case other early Civic Hybrid owners experience similar behavior. It may be worth verifying MCM calibration compatibility when installing a replacement battery. Original Review: I had the hybrid battery on my 2005 Honda Civic replaced by GreenTec Auto. The installation itself was quick and straightforward, which I appreciated. My only concern was that the replacement battery enclosure was quite dusty, as if it had been sitting exposed, and it wasn’t labeled to indicate which batteries were installed (8AH vs. 6.5AH). After a short test drive, I noticed some improvement—on my usual hilly route I still needed to downshift, but the battery didn’t completely run out, which is better than before. In the past, both the original Honda battery and the warranty replacement lasted me about 10 years each, so I’m hopeful this third battery will provide similar longevity.”
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3496 Arden Rd, Hayward CA 94545
“first time at this shop. very nice. In a nice industrial area. Carlos helped me with my caravan's battery issue. he tested it and it was bad battery. Then found me a brand new battery with 5 year warranty and installed it. Very cool and helpful dude. I would highly recommend this place. I also think the cheapest price for brand new battery in town! they are generous and helpful. Thanks again Carlos”
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2487 Amaral Ct, Hayward CA 94544
“Great Products, Great Prices, Been using there products for years. Mike Price is my Rep. He is awesome but busy as all get out. But most definitely worth the wait. Never have I seen someone so dedicated to his customers.”
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30208 Industrial Pkwy SW, Hayward CA 94544
“Came in to get a new battery for my car keys after avoiding it for as long as possible. I'm so glad I came to Interstate. It was super fast, less than 5 minutes, and they had good customer service.”
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800 Jackson Street, Hayward CA 94544
“Kim at O'Reilly's here in Hayward was amazing and very knowledgeable I was very stressed out and concerned about the battery cable coming off my battery he was kind and very helpful and make me feel safe driving my car if I could give him a hundred Stars I would thank you so much Kim”
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24247 Hesperian Boulevard, Hayward CA 94545
“They do not know car parts, you have to do your own research but they are very nice and helpful, the manager is a very nice man, I been coming to this oreilly for years and seen employees come and go, they always hire the best ones don’t go to the one in Castro valley they have a horrible attitude”
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1194 West Tennyson Road, Hayward CA 94544
“Huge thanks to Ariel for being very patient and helpful two nights in a row. I came in very anxious and had lots of questions about some noises my car was making but he was very understanding. Thanks Ariel”
