--- product_id: 46662209 title: "8858X T54FJ Laptop Battery Replacement for Dell Inspiron 14R 4420 5420 5425" brand: "zthy" price: "¥8532" currency: JPY in_stock: true category: "Zthy" url: https://www.desertcart.jp/products/46662209-8858x-t54fj-laptop-battery-replacement-for-dell-inspiron-14r-4420 store_origin: JP region: Japan --- # 11.1V stable voltage Up to 500 recharge cycles 48Wh high-capacity power 8858X T54FJ Laptop Battery Replacement for Dell Inspiron 14R 4420 5420 5425 **Brand:** zthy **Price:** ¥8532 **Availability:** ✅ In Stock ## Summary > 🔋 Power your hustle with confidence — never miss a beat! ## Quick Answers - **What is this?** 8858X T54FJ Laptop Battery Replacement for Dell Inspiron 14R 4420 5420 5425 by zthy - **How much does it cost?** ¥8532 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/46662209-8858x-t54fj-laptop-battery-replacement-for-dell-inspiron-14r-4420) ## Best For - zthy enthusiasts ## Why This Product - Trusted zthy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Enduring Recharge Life:** Up to 500 recharge cycles means your battery stays strong through countless workdays. - • **Power Through Your Day:** 48Wh capacity ensures long-lasting productivity without constant recharging. - • **Seamless Compatibility:** Fits a wide range of Dell Inspiron, Latitude, Vostro, and Precision models for effortless replacement. - • **Certified Safety & Quality:** CE and UL certifications guarantee safe, eco-friendly, and reliable battery performance. - • **Reliable Voltage Stability:** 11.1V output delivers consistent performance for your Dell Inspiron and Latitude laptops. ## Overview The 8858X T54FJ is a high-capacity 48Wh Li-ion replacement battery designed for multiple Dell Inspiron, Latitude, Vostro, and Precision laptop models. Operating at 11.1V, it supports up to 500 recharge cycles, ensuring long-term durability. Certified by CE and UL, this battery offers safe, reliable, and eco-conscious power to keep your professional workflow uninterrupted. ## Description desertcart.com: 8858X T54FJ Laptop Battery Replacement for Dell Inspiron 14R 4420 5420 5425 | 7420 15R 4520 5520 5525 7520 17R 4720 5720 7720 Latitude E5420 E5430 E5520 E6420 E6430 E6440 E6520 E6530 Vostro 3460 3560 : Electronics ## Features - Specifications: Battery type: Li-ion. Color: Black. Voltage: 11.1V. Capacity: 48Wh. New from Manufacturer. Up to 500 recharge cycles over the life of the battery - Compatible Part Number: 04NW9 2P2MJ 312-1163 312-1164 312-1242 312-1323 312-1324 312-1325 4YRJH 8858X 911MD CWVXW DHT0W HCJWT KJ321 M1Y7N NHXVW P8TC7 P9TJ0 PRRRF RU485 T54F3 UJ499 YKF0M X57F1 - Compatible Models: Replacement for Dell Latitude E5420 E5430 E5520 E5530 E6420 E6430 E6440 E6520 E6530 E6540 Series; Replacement for Dell Inspiron 4420 4520 4720 5420 5425 5520 5525 5720 7420 7520 7720 Series Replacement for Dell Inspiron M421R M521R N4420 N4520 N4720 N5420 N5520 N5720 N7420 N7520 N7720 Series; Replacement for Dell Precision M2800 Mobile WorkStation; Replacement for Dell Vostro 3460 3560 Series Replacement for Dell Audi A4 A5 S5 Series; Replacement for Dell Inspiron 14R Inspiron 14R Series, Inspiron 14R-4420, Inspiron 14R-5420, Inspiron 14R-5425 Series; Replacement for Dell Inspiron 15R Series; Replacement for Dell Inspiron 17R Series - Security:All ZTHY products are Certified by CE, UL for safety. Strict guidelines for compatibility, and standards compliance for environment safety - Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00XXOA30M | | Amperage | 4400 milliamps | | Antenna Location | Replacement for Dell Inspiron 14R 5420 15R 5520 7520 17R 5720 7720 4420 4520 4720 7420 Latitude E5420 E5520 E5530 E6420 E6430 E6520 Vostro 3460 3560 and more. | | Battery Capacity | 4400 milliamp_hours | | Battery Cell Type | Lithium Ion | | Battery Weight | 348 g | | Best Sellers Rank | #25,157 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #1,706 in Laptop Batteries | | Brand | ZTHY | | Compatible Phone Models | 04NW9 2P2MJ 312-1163 312-1164 312-1242 312-1323 312-1324 312-1325 4YRJH 8858X 911MD CWVXW DHT0W HCJWT KJ321 M1Y7N NHXVW P8TC7 P9TJ0 PRRRF RU485 T54F3 UJ499 YKF0M X57F1 | | Customer Reviews | 4.4 4.4 out of 5 stars (1,057) | | Item Dimensions | 9.84 x 1.97 x 0.79 inches | | Item Weight | 348 g | | Manufacturer | Dongguan jiataiyuan electronics Co., Ltd | | Model Name | E6420 | | Model Number | E6420 | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Reusability | Rechargeable | | UPC | 702403010333 | | Unit Count | 1 Count | | Voltage | 11.1 volts | ## Product Details - **Battery Capacity:** 4400 milliamp_hours - **Battery Cell Composition:** Lithium Ion - **Brand:** ZTHY - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) ## Images ![8858X T54FJ Laptop Battery Replacement for Dell Inspiron 14R 4420 5420 5425 - Image 1](https://m.media-amazon.com/images/I/71my2TG+WlL.jpg) ## Questions & Answers **Q: What do I need to be aware of when I receive a new laptop battery?** A: Check appearance, model, manual. Do 5-6 full charge-discharge cycles to activate. Store long-term at 50%-60% in cool dry place; check every 2-3 months & recharge if needed. These steps extend battery life & reliability. **Q: What should I do if laptop won't boot up after installing a new battery?** A: 1. Check battery seated & contacts clean. 2. Run laptop on charger alone (battery out). 3. If charger works, charge new battery 30 mins then boot with battery. 4. Reset BIOS/EC (hold power 30s). 5. Reinstall old battery to verify laptop hardware. **Q: How should I do if the battery is not recognised?** A: Update BIOS to latest version. Power off, disconnect battery (and adapter), hold power button 20s, reconnect battery and adapter, reboot. If still not recognised, reseat battery and clean contacts. **Q: What should I do if the battery expands?** A: 1. Power off & unplug laptop. 2. Do not charge or use. 3. In ventilated area, remove swollen battery carefully, avoid pressing or puncturing. **Q: What can you do if you are not satisfied with the battery?** A: Please use Amazon's messaging system with your order details. We are committed to your satisfaction and will do our best to help resolve any issue. ## Frequently Bought Together - ZTHY 48Wh 8858X Laptop Battery Replacement for Dell Inspiron 14R 5420 15R 5520 7520 17R 5720 7720 4420 4520 4720 7420 Latitude E5420 E5520 E5530 E6420 E6430 E6520 Vostro 3460 3560 T54FJ 11.1V 6-Cell - Original Dell 65W AC Adapter for Inspiron 15 (3520), Inspiron 15 (3521), Inspiron 15 (3537), Inspiron 15R (5520), Inspiron 15R (5521), Inspiron 15R (7520), Inspiron 15R (N5110) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/46662209-8858x-t54fj-laptop-battery-replacement-for-dell-inspiron-14r-4420](https://www.desertcart.jp/products/46662209-8858x-t54fj-laptop-battery-replacement-for-dell-inspiron-14r-4420) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-29*