--- product_id: 555826075 title: "48Wh PA5278U-1BRS Laptop Battery for Toshiba Portege X30-D X30-E X30-F | Tecra X40-D X40-E X40-F X30-D-10L X30-D-10M X30-D-10V X30-F-10L X30-F-10L X40-F-10D Series PT28U-0LN03X 11.4V 48Wh with Tools" brand: "muls" price: "56510CFA" currency: XOF in_stock: true category: "Muls" url: https://www.desertcart.sn/products/555826075-48wh-pa5278u-1brs-laptop-battery-for-toshiba-portege-x30-d store_origin: SN region: Senegal --- # 11.4V stable voltage Up to 500 recharge cycles 48Wh high-capacity power 48Wh PA5278U-1BRS Laptop Battery for Toshiba Portege X30-D X30-E X30-F | Tecra X40-D X40-E X40-F X30-D-10L X30-D-10M X30-D-10V X30-F-10L X30-F-10L X40-F-10D Series PT28U-0LN03X 11.4V 48Wh with Tools **Brand:** muls **Price:** 56510CFA **Availability:** ✅ In Stock ## Summary > 🔋 Power your professional edge with confidence and longevity! ## Quick Answers - **What is this?** 48Wh PA5278U-1BRS Laptop Battery for Toshiba Portege X30-D X30-E X30-F | Tecra X40-D X40-E X40-F X30-D-10L X30-D-10M X30-D-10V X30-F-10L X30-F-10L X40-F-10D Series PT28U-0LN03X 11.4V 48Wh with Tools by muls - **How much does it cost?** 56510CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/555826075-48wh-pa5278u-1brs-laptop-battery-for-toshiba-portege-x30-d) ## Best For - muls enthusiasts ## Why This Product - Trusted muls brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Safety First:** CE, FCC, and RoHS certifications with built-in protections keep you and your device safe. - • **Enduring Recharge Life:** Up to 500 recharge cycles means your battery stays strong through countless work sessions. - • **Power Through Your Day:** 48Wh capacity ensures long-lasting productivity without constant recharging. - • **Reliable Voltage Stability:** 11.4V output delivers consistent performance for your Toshiba Portege and Tecra laptops. - • **Hassle-Free Support & Warranty:** 12-month exchange and 30-day money-back guarantee with 24/7 customer service—because your peace of mind matters. ## Overview The MULS PA5278U-1BRS is a premium 48Wh, 11.4V lithium-ion replacement battery designed for Toshiba Portege X30 and Tecra X40 series laptops. Engineered for durability with up to 500 recharge cycles, it features certified safety protections and comes backed by a 12-month warranty and responsive customer support, ensuring reliable, long-lasting power for demanding professionals. ## Description Product description About MULS MULS is a manufacturer integrating production and sales. Our products include various batteries, office electronic equipment, and household supplies. All the products had certified and come with excellent after-sales service. MULS PA5278U-1BRS Replacement Battery Specification Voltage: 11.4V Capatity:48Wh 4080mAh 100% brand new from manufacture, Grade A cell Replacement for Part Number： PA5278U-1BRS PT28U-0LN03X Compatible Laptop Models For TOSHIBA Portege X30 Series Portege X30-D /Portege X30-D-10L Portege X30-D-10M/Portege X30-D-10V Portege X30-D-119/Portege X30-D-11U Portege X30-D-121/Portege X30-D-123 Portege X30-D-13Z/Portege X30-D-143 Portege X30-D-162/Portege X30-D-16P Portege X30-D-19E Portege X30-E Portege X30-E-10G/Portege X30-E-10U Portege X30-E-11D/Portege X30-E-11T Portege X30-E-11U/Portege X30-E-12H Portege X30-E-19Z/Portege X30-E-BTO Portege X30-F-15U /Portege X30-F1352 Tecra X40 Series Tecra X40-D/Tecra X40-D-10E Tecra X40-D-10F/Tecra X40-D-10G Tecra X40-D-10H/Tecra X40-D-10J Tecra X40-D-10M/Tecra X40-D-10Q Tecra X40-D-10R/Tecra X40-D-10T Tecra X40-D-10U/Tecra X40-D-10V Tecra X40-D-10W/Tecra X40-D-10Z Tecra X40-D-110/Tecra X40-D-11F Tecra X40-D-11H/Tecra X40-D-11Q Tecra X40-D-11Z/Tecra X40-D-122 Tecra X40-D-123/Tecra X40-D-124 Tecra X40-D-12H/Tecra X40-D-13C Tecra X40-D-13X/Tecra X40-D-145 Tecra X40-D-149/Tecra X40-D-14M Tecra X40-D-14P/Tecra X40-D-14T Tecra X40-D-152/Tecra X40-D-15F Tecra X40-D-15T/Tecra X40-D-15U Tecra X40-D-15Z/Tecra X40-D-161 Tecra X40-D-166/Tecra X40-D-167 Tecra X40-D-168/Tecra X40-D-16J Tecra X40-D-173/Tecra X40-D-176 Tecra X40-D-179/Tecra X40-D-17C Tecra X40-D1452 Tecra X40-E Tecra X40-E-013/Tecra X40-E-108 Tecra X40-E-109/Tecra X40-E-10G Tecra X40-E-10H/Tecra X40-E-10J Tecra X40-E-10L/Tecra X40-E-10N Tecra X40-E-10Q/Tecra X40-E-10R Tecra X40-E-10U/Tecra X40-E-10W Tecra X40-E-10X/Tecra X40-E-114 Tecra X40-E-115/Tecra X40-E-11K Tecra X40-E-11M/Tecra X40-E-122 Tecra X40-E-123/Tecra X40-E-137 Tecra X40-E-138/Tecra X40-E-13G Tecra X40-E-14E/Tecra X40-E-171 Tecra X40-E-173/Tecra X40-E-177 Tecra X40-E-18G/Tecra X40-E-18H Tecra X40-E-18M/Tecra X40-E-18P Tecra X40-E-1EZ/TECRA X40-E-1F5 Tecra X40-E-1FU/Tecra X40-E-1H6 Tecra X40-E-BTO Tecra X40-F Tecra X40-F-10D / Tecra X40-F-10F Tecra X40-F-11J / Tecra X40-F-12F Tecra X40-F-12G / Tecra X40-F-13R Tecra X40-F-13Z / Tecra X40-F-140 Tecra X40-F-145 / Tecra X40-F-146 Tecra X40-F-147 / Tecra X40-F-14C Tecra X40-F-14W / Tecra X40-F1430 Tecra X40-F1438 For DYNABOOK Portege X30-F Series / Portege X30-F-10L Portege X30-F-10N / Portege X30-F-12M Portege X30-F-12N / Portege X30-F-12R Portege X30-F-12T / Portege X30-F-12U Portege X30-F-13M / Portege X30-F-14U Portege X30-F-14W / Portege X30-F-14X Portege X30-F-151 / Portege X30-F-157 Portege X30-F-15V / Portege X30-F-15Z Portege X30-F-160 / Portege X30-F-17Q Please open the back cover of your laptop to check the original battery size and capacity before placing an order. Please scroll down to the list to purchase. How to Install A New Battery 1. Turn off your laptop and disconnect the power. 2. Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw. 3. Remove the old battery, carefully connect the new battery to the mainboard, reinstall all the parts that have been removed earlier, and connect the wiring of the new battery. 4. If you don't understand the above steps, you can search the relevant installation tutorial video on YouTube for help. Tips for Battery Maintenance 1. New battery: Discharge the new battery to 10% (not 0%), then charging up to 95% and repeat 3-4 times to activate the maximum capacity. 2. Overuse: Do not always run out of a battery to 0%, that would damage the battery or shorten the usage life. 3. Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug. 4. Fully charge the battery before long-term storage, and keep charging once a month. Do not store the battery at low power circumstances. Why the laptop does not recognize the battery？ Could be caused by battery loss. Please re-install the battery and make sure that the battery cable and the motherboard interface are tightly inserted. Maybe due to conductive material damage which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery. Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update. ## Features - Battery Specification: Capacity: 48Wh 4080mAh Voltage: 11.4V.100% brand new. Up to 500 recharge cycles over the life of the battery. - Replacement For Laptop: Fit for TOSHIBA Portege X30 Series: Portege X30-D, Portege X30-D-10L, Portege X30-D-10M,Portege X30-E, Portege X30-E-10G, Portege X30-E-10U,Portege X30-F-15U, Portege X30-F1352; TOSHIBA Portege Tecra X40 Series: Tecra X40-D, Tecra X40-D-10E, Tecra X40-E-013, Tecra X40-E-108, Tecra X40-F, Tecra X40-F-10D; DYNABOOK Portege X30-F Series: Portege X30-F-10L, Portege X30-F-10N. - Compatible with Part Number: Fit for PA5278U-1BRS PT28U-0LN03X. - Safety Above All: Our batteries are certified by CE, FCC and RoHS to ensure your safety, and packed with prevention measures like short circuit, overheat and overcharge protection.Our laptop batteries are made with premium materials and circuit boards to ensure performance and durability. - Give Customers the Best Benefit: 30 Days no-questions-asked full money back and 12 Months Exchange . (The return window will be closed a month after you received the the product. CONTACT US, we will make it up and solve it more efficiently). We providing you 24/7 email service to support you with any problem, be rest assured that you will get the best when you choose MULS products. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C2Y3MVGD | | Antenna Location | Laptop | | Battery Capacity | 4080 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Best Sellers Rank | #122,982 in Electronics ( See Top 100 in Electronics ) #2,010 in Laptop Batteries | | Brand | MULS | | Compatible Phone Models | Toshiba Portege X30 X30-D X30-D-10L X30-D-10M X30-D-10V | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Manufacturer | Dongguan jiataiyuan electronics Co., Ltd | | Model Name | PA5278U-1BRS | | Model Number | PA5278U-1BRS | | Recommended Uses For Product | Laptop | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 11.4 Volts (AC) | | Warranty Description | 12 | ## Images ![48Wh PA5278U-1BRS Laptop Battery for Toshiba Portege X30-D X30-E X30-F | Tecra X40-D X40-E X40-F X30-D-10L X30-D-10M X30-D-10V X30-F-10L X30-F-10L X40-F-10D Series PT28U-0LN03X 11.4V 48Wh with Tools - Image 1](https://m.media-amazon.com/images/I/61e1TkbMJnL.jpg) --- ## 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.sn/products/555826075-48wh-pa5278u-1brs-laptop-battery-for-toshiba-portege-x30-d](https://www.desertcart.sn/products/555826075-48wh-pa5278u-1brs-laptop-battery-for-toshiba-portege-x30-d) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-16*