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The SUNNEAR B31N1911 is a high-performance 42Wh lithium-ion replacement battery designed for ASUS VivoBook Flip 14 and select VivoBook series laptops. Delivering a stable 11.55V output and up to 500 recharge cycles, it ensures reliable, long-lasting power. Included installation tools and compatibility with multiple ASUS models make it an essential upgrade for professionals seeking uninterrupted productivity on the go.












| ASIN | B089GJJXGP |
| Antenna Location | Laptop |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 110 Grams |
| Best Sellers Rank | #73,101 in Electronics ( See Top 100 in Electronics ) #1,150 in Laptop Batteries |
| Brand | SUNNEAR |
| Compatible Phone Models | Replacement for ①ASUS VivoBook Flip 14 TM420IA TM420IA-DB71T TM420IA-CH71 TM420IA-DB51T Series.②ASUS VivoBook 14 M413 M413DA M413DA-EB005T M413DA-EB094T Series③ASUS VivoBook Flip 14 TM420IA TM420IA-AP4513T TM420IA-EC056T Series④ASUS VivoBook 14 F413 K413 X413 Series.⑤ASUS Notebook X X413FF X421DA X421EA X421EP A413FF F413FF K433FA V4050FA V433FA Series. |
| Customer Reviews | 4.0 out of 5 stars 8 Reviews |
| Manufacturer | Shenzhen Shangneng Technology Co., Ltd. |
| Model Name | b31n1911,c31n1911 |
| Model Number | B31N1911 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Laptop |
| Reusability | Rechargeable |
| UPC | 729993924666 |
| Unit Count | 1.0 Count |
| Voltage | 11.55 Volts |
A**N
Good
This fixed my battery problem on my laptop and I can bring my laptop around without having to worry about it die on me.
P**A
Puffy
Would not recommend ordered looked new but Ballew was swollen and did not work Update: Customer service was promt and friendly and offered replacement or refund I opted for reunf
Trustpilot
2 weeks ago
2 weeks ago