--- product_id: 354169071 title: "RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh" brand: "kingsener" price: "¥25492" currency: JPY in_stock: true category: "King Sener" url: https://www.desertcart.jp/products/354169071-rc30-0248-laptop-battery-for-razer-blade-advanced-15-2018 store_origin: JP region: Japan --- # 15.4V stable voltage 500+ recharge cycles 5209mAh high capacity RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh **Brand:** kingsener **Price:** ¥25492 **Availability:** ✅ In Stock ## Summary > 🔋 Power your Razer Blade like a pro—never miss a beat or a meeting! ## Quick Answers - **What is this?** RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh by kingsener - **How much does it cost?** ¥25492 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/354169071-rc30-0248-laptop-battery-for-razer-blade-advanced-15-2018) ## Best For - kingsener enthusiasts ## Why This Product - Trusted kingsener brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reliable Support:** Backed by KingSener’s professional customer service and a 1-year warranty for zero worries. - • **Engineered for Safety:** Built-in circuit protection ensures durability and peace of mind during every charge. - • **Power Through Your Day:** 5209mAh capacity delivers over 6 hours of uninterrupted productivity or gaming. - • **Seamless Compatibility:** Perfectly designed for Razer Blade Advanced 15 (2018-2019) models with multiple part number replacements. - • **Effortless Installation:** Includes two screwdrivers for a quick, hassle-free battery swap—no tech skills required. ## Overview The KingSener RC30-0248 is a high-capacity 5209mAh Li-ion replacement battery designed specifically for Razer Blade Advanced 15 models from 2018 and 2019. Operating at 15.4V with over 500 recharge cycles, it guarantees long-lasting performance and safety with built-in circuit protection. Easy to install with included tools and supported by a 1-year warranty, it’s the ultimate power upgrade for professionals and gamers seeking reliable, extended laptop usage. ## Description Buy KingSener RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh: Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - BATTERY TYPE:Li-ion Capacity:5209mAh/80WH Voltage:15.4V. High quality built-in circuit protection board guarantee durable usage and safety. More than 500 recharge cycles for the life of the battery - REPLACE PART NUMBERS: RC30-0248;4ICP4/55/162;RZ09-02386.Have Higher Battery Life and Better Experience Anytime and Anywhere - REPLACEMENT FOR LAPTOP MODEL : Razer Blade Advanced 15 2018 Series:15 GTX 1060 Max-Q Series;15 GTX 1070 Max-Q Series; RZ09-02386 RZ09-02486 RZ09-02386E91 RZ09-02386E91-R3U1 Series; RZ09-02385 RZ09-02385W71-R3W1 RZ09-02385E92-R3U1 Series; Razer Blade Advanced 15 2019 Series: 15 RTX 2070 Max-Q (i7-8750H ) - LONG BATTERY LIFE: Two screwdrivers are included to make installation a breeze, and the battery has a long life of more than 6 hours of continuous use so you can work or play for long periods of time without worrying about running out of power. - AFTER-SALES:KingSener are committed to providing professional and friendly customer service!We are confident in the performance of the replacement battery,If there is any quality problem,replace the new battery for free.If you have any doubts,please contact us by email at any time,our professional technical team is always on standby to help you and provide you with considerate after-sales service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B087R1DHSV | | Antenna Location | Laptop | | Battery Capacity | 68 Amp Hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 291 Grams | | Best Sellers Rank | #191,396 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #13,828 in Laptop Batteries | | Brand | KingSener | | Built-In Media | Battery | | Customer Reviews | 4.4 4.4 out of 5 stars (3) | | External Testing Certification | UL | | Item Dimensions | 0.01 inches | | Manufacturer | KingSener | | Model Name | RC30-0248 | | Model Number | RC30-0248 | | Number of Batteries | 1 Lithium Metal batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 15.4 Volts | | Warranty Description | 1 year | ## Product Details - **Battery Capacity:** 68 Amp Hours - **Battery Cell Composition:** Lithium Polymer - **Brand:** KingSener - **Number of Batteries:** 1 Lithium Metal batteries required. (included) - **Recommended Uses For Product:** Laptop ## Images ![RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - Image 1](https://m.media-amazon.com/images/I/61LcD73EpoL.jpg) ![RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - Image 2](https://m.media-amazon.com/images/I/51SNwsT1+3L.jpg) ![RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - Image 3](https://m.media-amazon.com/images/I/71kBzlJBi2L.jpg) ![RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - Image 4](https://m.media-amazon.com/images/I/61euhyUl8UL.jpg) ![RC30-0248 Laptop Battery for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - Image 5](https://m.media-amazon.com/images/I/610JAxBQabL.jpg) ## Frequently Bought Together - KingSener RC30-0248 Laptop Battery Replacement for Razer Blade Advanced 15 2018 2019 RZ09-0238 RZ09-02385 RZ09-02386 RZ09-0288 RZ09-0301 RZ09-02886 RZ09-03135 RZ09-02887E92 15.4V 5209mAh - LeFix 12PCS M2x3 Torx T5 Screws + 1 Screwdriver Compatible with Dell XPS 13 9300 9305 9343 9350 9360 |XPS 15 9550 9560 9570|Precision M5510 5520 5530 5540,for Razer Blade,HP Envy 13|(Silver) - 12PCS M2x3 Torx T5 Screws for Razer Blade 14 15, Dell XPS 13 9343 9350 9360 9370 9380, XPS 15 9500 9510 9520 9530 9550 9560, Precision 5520 5530 5540, HP Envy 13 Laptop w/Screwdriver, Sliver --- ## 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/354169071-rc30-0248-laptop-battery-for-razer-blade-advanced-15-2018](https://www.desertcart.jp/products/354169071-rc30-0248-laptop-battery-for-razer-blade-advanced-15-2018) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-21*