--- product_id: 144572126 title: "K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ" brand: "k kyuer" price: "43453CFA" currency: XOF in_stock: true reviews_count: 10 category: "K Kyuer" url: https://www.desertcart.sn/products/144572126-k-kyuer-c21n1509-laptop-battery-for-asus-vivobook-x556ua-x556ub store_origin: SN region: Senegal --- # 7.6V stable voltage output Up to 500 recharge cycles 38Wh high-capacity power K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ **Brand:** k kyuer **Price:** 43453CFA **Availability:** ✅ In Stock ## Summary > 🔋 Power your hustle with confidence — stay charged, stay ahead! ## Quick Answers - **What is this?** K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ by k kyuer - **How much does it cost?** 43453CFA 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/144572126-k-kyuer-c21n1509-laptop-battery-for-asus-vivobook-x556ua-x556ub) ## Best For - k kyuer enthusiasts ## Why This Product - Trusted k kyuer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durability You Can Trust:** Engineered for up to 500 recharge cycles, this battery is built to keep pace with your busy, on-the-go lifestyle. - • **Long-lasting Power Boost:** 38Wh capacity keeps your Vivobook running longer, so you never miss a beat during your workday or binge session. - • **Reliable Voltage Stability:** 7.6V output ensures smooth, consistent performance without unexpected shutdowns or slowdowns. - • **Hassle-Free Support & Warranty:** Enjoy 18 months warranty and responsive 24-hour customer service—because your productivity deserves zero downtime. - • **Certified Safety & Eco-Friendly:** CE and FCC certified for your peace of mind, meeting strict environmental and safety standards. ## Overview The K KYUER C21N1509 is a high-performance 38Wh lithium polymer battery designed specifically for a wide range of ASUS Vivobook models. Operating at 7.6 volts and supporting up to 500 recharge cycles, it delivers reliable, long-lasting power. Certified for safety and environmental compliance, it comes with an 18-month warranty and dedicated customer support, making it a smart, dependable upgrade for professionals seeking uninterrupted productivity. ## Description Shop K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ. Free delivery and returns on eligible orders. Review: Asus f556u battery - Works great so far as I am have just had it in the laptop for about 1-2months, from videos on you utube, installed easily, holds power brilliantly, good investment. I would definitely recommend. Review: The battery doesn't work - The battery doesn't charge properly, only charges to 8%. The battery is not as shown in the photo. ## Features - 【Specifications】 Battery Type: Li-ion; Voltage: 7.6V; Capacity: 38WH; Battery life: Up to 500 recharge cycles over the life of the battery. - 【Compatible Part Number】 C21N1509 C21N15WZ C21PQ9H 0B200-01750000 Laptop Battery. - 【Compatible Laptop Models】Asus Vivobook X556 X556U X556UA X556UB X556UF X556UJ X556UQ X556UR X556UV K556 K556U K556UA K556UB K556UF K556UJ K556UQ K556UR K556UV F556U F556UA F556UB F556UF F556UJ F556UQ F556UR F556UV A556U A556UA A556UB A556UF A556UJ A556UQ A556UR A556UV Series (See Description fit Laptop Models)Notebook Battery. - 【Security】All products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. - 【Perfect After-sale】Welcome to email us if you have any issues, questions or concerns, we promise to resolve the problem within 24 hours. We guarantee 30 days money-back and 18-month warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07SB3GD3G | | Amperage | 2.1 Amps | | Antenna Location | Laptop | | Battery Capacity | 38 Watt Hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 220 Grams | | Best Sellers Rank | 178,160 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 4,691 in Laptop Batteries | | Box Contents | laptop battery | | Brand Name | K KYUER | | Country of Origin | China | | Customer Reviews | 4.0 4.0 out of 5 stars (226) | | Item Dimensions | 18.5 x 8.5 x 0.9 centimetres | | Item Weight | 220 Grams | | Manufacturer | K KYUER | | Model Number | C21N1509 | | Number of Batteries | 1 Lithium Polymer batteries required. | | Product Warranty | 1 year | | Reusability | Rechargeable | | UPC | 765951773563 | | Unit Count | 1.0 count | | Voltage | 7.6 Volts | ## Product Details - **Battery capacity:** 38 Watt Hours - **Battery cell composition:** Lithium Polymer - **Brand:** K KYUER - **Number of batteries:** 1 Lithium Polymer batteries required. - **Recommended uses for product:** Laptop ## Images ![K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ - Image 1](https://m.media-amazon.com/images/I/61lmhnmUKVL.jpg) ![K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ - Image 2](https://m.media-amazon.com/images/I/71e9z6soLcL.jpg) ![K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ - Image 3](https://m.media-amazon.com/images/I/71s+bv1ifcL.jpg) ![K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ - Image 4](https://m.media-amazon.com/images/I/71up1GbskeL.jpg) ![K KYUER C21N1509 Laptop Battery for ASUS Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF A556UJ A556UQ - Image 5](https://m.media-amazon.com/images/I/71c6BPEwqPL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Asus f556u battery *by W***. on 7 June 2024* Works great so far as I am have just had it in the laptop for about 1-2months, from videos on you utube, installed easily, holds power brilliantly, good investment. I would definitely recommend. ### ⭐ The battery doesn't work *by K***A on 22 February 2025* The battery doesn't charge properly, only charges to 8%. The battery is not as shown in the photo. ### ⭐⭐⭐⭐⭐ Fit perfect in my laptop *by A***R on 10 September 2019* This was very easy to install in my ASUS X556UV. It came with nearly a full charge which was a surprise. The battery fit perfectly. No special tools were needed in my case, just a small phillips head screwdriver. I think this took less than 10 minutes start to finish on the installation.Iand this battery is showing good health Charge time is as expected. --- ## 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/144572126-k-kyuer-c21n1509-laptop-battery-for-asus-vivobook-x556ua-x556ub](https://www.desertcart.sn/products/144572126-k-kyuer-c21n1509-laptop-battery-for-asus-vivobook-x556ua-x556ub) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-15*