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🔋 Upgrade your Switch, upgrade your game — never miss a moment!
The NYI Upgraded 4550mAh HAC-003 Battery Replacement is a high-capacity, lithium-ion internal battery designed specifically for Nintendo Switch HAC-001 consoles. Offering 25% more power than typical replacements at 3.7V/16.8Wh, it comes with a full installation toolkit including precision screwdrivers, a scraper, adhesive tape, and shockproof padding. Engineered with multiple safety protections and backed by an 18-month warranty, this battery ensures longer playtime, reliable performance, and an easy DIY upgrade experience.









| ASIN | B09QKX539N |
| Antenna Location | Gaming Console |
| Battery Capacity | 4550 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 75.8 Grams |
| Best Sellers Rank | #571 in Video Games ( See Top 100 in Video Games ) #4 in Nintendo Switch Consoles |
| Brand | NYI |
| Compatible Phone Models | Compatible with Nintendo Switch HAC-001, Nintendo HAC-S-JP/EU-C0 |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,155) |
| Manufacturer | MSW (Shenzhen) Technology Limited |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 761587382384 |
| Unit Count | 1.0 Count |
| Voltage | 3.7 Volts |
| Warranty Description | 1 year warranty |
K**N
Everything You Need to Replace Your Switch Battery - Easy to Install, Clear Instructions
The NYI Battery Replacement for the Nintendo Switch is a great option if your Switch battery farts out and you need a reliable replacement. The kit includes everything you need to replace the battery: the battery, a screwdriver and matching tips, and a spatula for removing the battery. The instructions were very clear and easy to follow, though I would still look up a video for reference, as there are a few steps that are quite delicate, such as detaching the SD card slot and the battery itself. Additionally, I would definitely advise using the tray everything was sent in to separate your screws as you remove them as they come in different sizes and head shapes. I thankfully did this by group, and didn't have an issue with the screws getting mixed up. As of the battery itself, it seems to be working perfectly. My Switch now stays charged for more than a minute (it was that bad) and I can travel with my console and enjoy using it while on the go again. I can't say much about longevity of the battery as I've only just installed it, but if starts wearing out quickly, I'll update. At ~$17 for the battery, it's a small price to pay to get my console working again and much cheaper than getting an OEM Switch battery. It seems like an excellent value for what I'm getting so far. Overall, it's a great kit and something I would purchase again if my battery decides to stop working again.
B**D
Decent kit/semi complicated install
Seemed to work very well with 2 notes; The instructions are good until it comes to removing the old battery. It’s a really stuck in there with tape, and I felt I was risking rupturing it with how hard you have to pry to take it out. Firm, even pressure making sure not to crease it. The tool they give for removal seems suboptimal. Second, when i completed the instal and turned the machine on, the unit had a very hard time determining the battery level. Plugged in it said 100% however when I unplugged it the battery display was unstable changing every few seconds; 10%…29%…. 75%…. 100%…..15%…. 30%…..65%… and so on. The info I found online said let the battery completely die and completely recharge it to reset the sensors. This did not work the first time I did it. It did work the second time I did it. It holds a chamge as good as new now. Hope that helps.
K**N
Was able to get it changed out in 45 mins but...
Amending once more after receiving replacement. As a note, the issue may not *actually* be the battery (it still could be), but the switch battery indicator incorrectly reading battery life incorrectly, which Nintendo has an article for (solution didn't work for me however). I tested the original NYI battery I received by playing and letting the indicator drop to 1% and seeing how long the battery lasted afterwards, and the battery lasted a total of 3 hours for Mario rpg (not too graphic intense). It's definitely no where near the original battery's life when I first got the switch, but it's better than the Nintendo battery after 8 years/SO many hours of play and changing, lasting an unpredictable 1 hr sometimes, 30 minutes others. I opted not to use the replacement I got because every time you have to change out this stuff/unplug connectors there is more chance of something breaking/bending. I am satisfied with this overall and would buy again. Amending my original review (below) because after charging and playing for about 15 minutes last night, my switch sat in sleep mode. I turned it on at lunchtime today to see if had dropped to 56%, and then when I went to turn it on after work it was completely dead. I charged it again to test it and this time I left it on for 10 minutes. Watched the battery drop rapidly to 56% then a couple minutes later it showed 4%. Ordered a replacement... It will amend my review again if i receive an actual working part. The kit had *almost* everything needed, and the instructions were very easy to follow. As others said and I had read, the adhesive on the original battery was REALLY tough to break. I watched a YouTube video that used isopropyl alcohol and a straw to drip it down the sides of the battery/tilt the switch and get underneath. The plastic tool that came in this kit was a little too thick to get under all sides of the battery, but ended up being able to pry from the bottom of the battery. After getting it out the rest was simple. The battery charged, and so far seems to hold the charge (this is less than 24 hrs after installation) so I will come back and amend my review if I have any issues, but as of now this kit/replacement gets an A+
S**A
It’s fine I guess
The kit it self is great. Great quality tools and instructions was easy to replace battery. The new battery sucks tho. My switch is constantly on the charger just like before the replacement battery. I’m pretty disappointed honestly I was really excited for a new and improved battery so I could stay off the charger for a couple hours. I would love for them to send me a new battery to try out at this point because it seems like they gave me their worst one.
W**T
Terrible capacity and run time.
Well technically it works, but the capacity is not anywhere near what's claimed. Installed just fine, no issues there and the included tools are decent enough. BUT even after letting the battery charge for over a day it goes from 100% down to 80% in about 10 minutes just sitting at the menu, not even running any games. You can literally watch it count down about 1% every 30 seconds or so. I'm guessing it wont last 30 min even with a low demand game.
T**R
Excellent screwdriver kit and instructions
Crossing my fingers the battery performance is solid, but the kit is well done with excellent instructions. Everything is easy, except the physical removal of the factory battery - it has strong adhesive holding it down. What you need to do to loosen the adhesive is to gently use some isopropyl alcohol and let it work for a few minutes. After that, gently pry the old battery out, little by little, edge by edge. That’s the hardest part. The spudger/pry tool is OK but the screwdriver and bits are perfect. Take your time, use a nice work light and keep your screws organized together (they are tiny!) and you’ll be golden.
M**Z
Great value for wonderful products!!!
Absolutely buy it if you need it, was not hard to change at all and had step my step instructions on how to disassemble as well! 100% worth the buy!
E**A
Tiene lo necesario para instalar la bateria y el manual aunque muy sencillo indica con claridad que tornillos debes quitar y que desarmador usar (están incluidos). Necesitarás paciencia para ir despegando la bateria y la pala incluida te ayuda bastante, asegúrate de desconectar la bocina que esta junto a la bateria para evitar romper el cable. Una vez que levantas un 10% de la bateria, lo demás es facil. Respecto a su desempeño. esperaba que duraría más; yo la compre para el primer switch que salió (la primer versión de hardware) y mi bateria original ya se me acababa en 2 o 3 horas, esta dura unas 7 horas continuas (a veces más, a veces menos depende el juego o si esta descargando programas) pero en general es aceptable. Si la recomiendo, pero no esperes que realmente la bateria sea de larga duración.
Trustpilot
1 month ago
3 days ago