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The Qoutmcuy EB-BA426ABY is a high-capacity 5100mAh lithium polymer replacement battery designed for Samsung Galaxy A42 5G, A32, and A72 models. Operating at 3.86 volts, it ensures stable and efficient power delivery. This rechargeable battery comes with a tool kit for easy installation and achieves optimal performance after 3-5 full charge cycles, making it a reliable choice to extend your phoneโs battery life.






| ASIN | B0D2R21FYZ |
| Antenna Location | Indoor/Outdoor |
| Battery Capacity | 5100 milliamp_hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 50 g |
| Best Sellers Rank | #11,628 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #25 in Cell Phone Replacement Batteries |
| Brand | Qoutmcuy |
| Compatible Phone Models | For Galaxy A42 5G |
| Customer Reviews | 4.0 out of 5 stars 241 Reviews |
| Item Weight | 50 g |
| Manufacturer | Shenzhen Xiaoyongda Trading Co., Ltd. |
| Model Name | For A42 battery |
| Model Number | For Galaxy A42 5G |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Recommended Uses For Product | Indoor/Outdoor |
| Reusability | Rechargeable |
| UPC | 700433210051 |
| Unit Count | 1 Count |
| Voltage | 3.86 volts |
| Warranty Description | 1 |
C**Z
Holds up well
Works great. Doesn't hold a charge like when I got the phone new but definitely gives me the opportunity to enjoy the phone prior to replacing the battery
R**F
4800 not 5500
All proper tools non defective battery. However it is a 4800 not 5500 mah battery, about phone and battery info didn't update to 5500mah after install. Full charged it at 12pm and have screen full bright with apps running to drain it and charge to calibrate it, currently at 2:30pm it's at 68% so not too bad. Easy to install, total of 11 screws to take out coil and speaker to reach battery. After 4 years my battery eas swollen taking it out.
D**N
Failed after a few months
Failed after a few months. Made the phone stuck in a reboot loop. Is a bit smaller than battery space but that's not really an issue
K**N
A02S BATTERY
Came perfectly package I bought this battery for my mom's phone, which is the Galaxy A02s, and so far it's working good if there's any changes, I will surely update my comment. great product
Z**4
Worth the price if looking to replace dying battery!
I'll say that the battery has helped. the installation was a little tricky for me but i did it. it fitted perfectly it's definitely worth the price if your looking for to replace your battery. the performance is night and day difference. i hope that anyone who ordered this got it safely and not defective.
C**E
Good Kit!
Included tools and battery worked great - just wished there were instructions.
U**K
Not much of an improvement
Very similar battery life to my old swollen battery I just replaced
P**S
Kudos to seller.
Purchased in Sept 2025. Initially worked well. By late November battery life dropped to 4-8 hours. Contacted company. Wow, they were great. Offered replacement very politely. Received a new battery very quickly. KUDOS to this seller. So much for giving praise. New replacement battery turned out to be worse. I have battery saving features on my Samsung Xcover 6 Pro . I am not sure what to do. This phone is noted for battery life issues so it may be my phone. I think all the batteries for this phone come from the same source.....??
Trustpilot
2 weeks ago
1 week ago