7xinbox
11.1V 48Wh 8858X T54FJ M5Y0X N3X1D 911MD Replacement Laptop Battery for Dell Inspiron 15 4420 7520 5520 5420 5720 7420 7520 7720 E5420 E5430 E5530 E6420 E6430 E6530 N4420 N4720 Notebook
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
About Us:A professional manufacturer in the field of power tool batteries, laptop batteries and charger,provides high-quality, real capacity power products with excellent customer service.Specification:Battery type: Li-ion;Capacity: 48Wh;Voltage: 11.1V;Part Number:04NW9 / 2P2MJ /4YRJH / 8858X / 911MD / CWVXW / DHT0W / HCJWT / KJ321 / M1Y7N /M5Y0X /NHXVW / P8TC7 /P9TJ0 / PRRRF / RU485 / T54F3 / T54FJ / UJ499 / YKF0M / X57F1 / R48V3 / 8P3YX312-1163 / 312-1164 / 312-1242 / 312-1323 / 312-1324 / 312-1325 /312-1310 / 312-1311 / 451-11947Suitable for the following Models:For Dell Latitude E5420 Ser…
SpecPicks Verdict
SpecPicks classifies 11.1V 48Wh 8858X T54FJ M5Y0X N3X1D 911MD Replacement Laptop Battery f… as a niche pick — read recent reviews before buying in the games & cartridges category, based on 73 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. 7xinbox's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Battery type: Li-ion; Capacity: 48Wh; Voltage: 11.1V;
- ✓ Backed by 7xinbox's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Battery type: Li-ion; Capacity: 48Wh; Voltage: 11.1V;
- Compatible Part Number:04NW9 / 2P2MJ /4YRJH / 8858X / 911MD / CWVXW / DHT0W / HCJWT / KJ321 / M1Y7N /M5Y0X / NHXVW / P8TC7 /P9TJ0 / PRRRF / RU485 / T54F3 / T54FJ / UJ499 / YKF0M / X57F1 / R48V3 / 8P3YX 312-1163 / 312-1164 / 312-1242 / 312-1323 / 312-1324 / 312-1325 /312-1310 / 312-1311 / 451-11947
- Compatible Laptop Models:E5420 E5430 E5520 E5520 BRC 6 E5520 E5520m E5530 E6420 E6420 ATG E6420 XFR E6430 E6430 ATG E6430 XFR E6520 E6530 / 4420 4520 4720 5420 5425 5520 5525 5720 7420 7520 7720 M421R M521R N4420 N4520 N4720 N5420 N5520 N5720 N7420 N7520 N7720
- Real capacity, high quality battery cells, longer operating time, convenient to use;Safeguard features against incorrect voltage, short circuit, internal overheating
- 30 Days Money Back and 12 months Warranty. 24 x 7 email support;CE & ROHS certified. 100% compatible with original battery.
Full Specifications
| Brand | 7xinbox |
|---|---|
| Voltage | 11.1 Volts |
| Model Name | n4420 |
| Unit Count | 1.0 Count |
| Reusability | Rechargeable |
| Battery type | Li-ion; Capacity: 48Wh; Voltage: 11.1V; |
| Model Number | E6420 |
| Battery Weight | 350 Grams |
| Antenna Location | Laptop |
| Battery Cell Type | Lithium Ion |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Laptop |
Ready to buy?
11.1V 48Wh 8858X T54FJ M5Y0X N3X1D 911MD Replacement Laptop Battery for Dell Inspiron 15 4420 7520 5520 5420 5720 7420 7520 7720 E5420 E5430 E5530 E6420 E6430 E6530 N4420 N4720 Notebook is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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