--- product_id: 45680063 title: "Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack)" brand: "biswaye" price: "β‚©93636" currency: KRW in_stock: true reviews_count: 8 category: "Biswaye" url: https://www.desertcart.kr/products/45680063-biswaye-4-0ah-20v-lithium-battery-lbxr20-compatible-with-black store_origin: KR region: South Korea --- # 20V max output voltage 4.0Ah high-capacity power Built-in overcharge protection Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) **Brand:** biswaye **Price:** β‚©93636 **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power up your toolkit with unstoppable energy! ## Quick Answers - **What is this?** Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) by biswaye - **How much does it cost?** β‚©93636 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/45680063-biswaye-4-0ah-20v-lithium-battery-lbxr20-compatible-with-black) ## Best For - biswaye enthusiasts ## Why This Product - Trusted biswaye brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Double the Power:** 2-pack bundle keeps you charged and readyβ€”swap batteries, never stop working. - β€’ **Smart Safety Tech:** Integrated microchip prevents overcharging, ensuring battery longevity and your peace of mind. - β€’ **Seamless Compatibility:** Works flawlessly with Black & Decker 20V Max cordless toolsβ€”no hassle, just power. - β€’ **Trusted Quality & Warranty:** Backed by a 30-day money-back guarantee and 1-year warranty for risk-free performance. - β€’ **Power Through Your Projects:** 4.0Ah capacity delivers long-lasting energy for uninterrupted work sessions. ## Overview The Biswaye 4.0Ah 20V Lithium Battery (2-pack) is a high-capacity, rechargeable replacement compatible with Black & Decker 20V Max cordless tools. Featuring 4 amp-hours of lithium-ion power, built-in overcharge protection, and broad tool compatibility, it ensures reliable performance for extended outdoor and DIY projects. Comes with a 30-day money-back guarantee and 1-year warranty for confident use. ## Description Biswaye We supply kinds of replacement battery, charger and adapter. To extend your vacuum or tools life, save your money, help your life. 20V Max battery and charger Visit the Store 20V Max battery and charger Visit the Store Biswaye takes quality and service as the top priority, all of our products comply with CE FCC, RoHS certified standards. Biswaye provides one-stop power solution to both OEM and private customers in the marker since 2003, we commit to make goods match OEM device or upgrade the function & performance to meet customer. We want to bring you more convenience in life. We are happy to hear suggestions from you, and thanks for your support! Biswaye takes quality and service as the top priority, all of our products comply with CE FCC, RoHS certified standards. Biswaye provides one-stop power solution to both OEM and private customers in the marker since 2003, we commit to make goods match OEM device or upgrade the function & performance to meet customer. We want to bring you more convenience in life. We are happy to hear suggestions from you, and thanks for your support! Use high-quality battery cells Review: Good replacement for LBXR2520 battery - Works with our Black & Decker LST522 string trimmer and charger unit. Review: Great price - Love the new batteries. They do take quite a while to charge. Like that I got two for a great price. ## Features - Compatible replacement for Black & Decker 20V MAX lithium batteries - LB20, LBX20, LBX4020, LB2X4020, LBXR20-OPE, LBXR2520, LBXR2020, LB2X3020-OPE - Powers Black & Decker 20V MAX cordless tools including trimmer, blower, drill, weed wacker - LST201, LST220, LST300, LST522, LSTE525, LSW221, LSW321, LCC221, LHT2220 - Built-in microchip prevents overcharging; Complies with FCC, RoHS and CE safety standards - 2-pack rechargeable lithium-ion batteries offer 4000mAh capacity and 20V output - 30-day money back guarantee and 1-year warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071KW8D4X | | Amperage | 4 Amps | | Antenna Location | Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 | | Battery Capacity | 4 Amp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 882 Grams | | Best Sellers Rank | #14,052 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #157 in Cordless Tool Battery Packs | | Brand | Biswaye | | Customer Reviews | 4.3 out of 5 stars 1,184 Reviews | | Item Dimensions | 5.12 x 3.74 x 2.75 inches | | Item Weight | 8 ounces | | Manufacturer | CXAB | | Model Name | Compatible with Black and Decker 20V Battery Replacement LBXR20, LB20, LBX20, LBX4020, LB2X4020, LBXR20-OPE, LBXR2020-OPE, LB2X3020-OPE | | Model Number | LBXR20 | | Number of Batteries | 2 Lithium Ion batteries required. (included) | | Recommended Uses For Product | Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 Recommended Uses For Product Compatible with Black & Decker 20V Max Cordless Power Tools Battery LBXR20 LBXR2020 LBX20 LBXR2520 LB2X4020 LB2XR20 See more | | Reusability | Rechargeable | | UPC | 611517092985 | | Unit Count | 2.0 Count | | Voltage | 20 Volts | ## Product Details - **Battery Capacity:** 4 Amp Hours - **Battery Cell Composition:** Lithium Ion - **Brand:** Biswaye - **Number of Batteries:** 2 Lithium Ion batteries required. (included) ## Images ![Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Image 1](https://m.media-amazon.com/images/I/61NHLHtuqrL.jpg) ![Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Image 2](https://m.media-amazon.com/images/I/61v0nE7BB-L.jpg) ![Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Image 3](https://m.media-amazon.com/images/I/61KmQKa1ZOL.jpg) ![Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Image 4](https://m.media-amazon.com/images/I/61lmM598v1L.jpg) ![Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Image 5](https://m.media-amazon.com/images/I/61JTmMlU+nL.jpg) ## Questions & Answers **Q: Can this battery fit on the ldx120c model?** A: Yes. I see ldx120c is a 20-Volt MAX Lithium-Ion Cordless Drill/Driver, our this battery is a 20v lithium battery. So they can work with each. **Q: Will the 2.0 work with an replace the 1.5?** A: Sure, if they are 20v black & decker 20v lithium battery. They are compatiable with each. **Q: Dear Seller, 4AH sounds like nonsense. What is the configuration and type of battery cells inside this battery pack?** A: I do not know what the inside configuration is. I have these batteries. They last longer than any of the other batteries that I have. Bought 2 and they worked so well I bought 2 more. **Q: will this work on B&D weed eaters?** A: They work just fine in my Black & Decker LST 300 Type 1 string trimmer. They are 20 volt. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good replacement for LBXR2520 battery *by D***R on May 22, 2026* Works with our Black & Decker LST522 string trimmer and charger unit. ### ⭐⭐⭐⭐⭐ Great price *by A***R on July 30, 2024* Love the new batteries. They do take quite a while to charge. Like that I got two for a great price. ### ⭐⭐⭐⭐ Tight fit on the charger *by R***S on April 25, 2026* Seem to be working well. The only issue I encountered was that the new replacement batteries didn't fit very well with the original B&D charger. It appeared to be the new batteries were just a bit too wide, but with a little bit of pressure, I got them on. Not as difficult to attach them to the weed eater. Batteries had a nice, strong charge, and worked well as replacemnets. ## Frequently Bought Together - Biswaye 4.0Ah 20V Lithium Battery LBXR20 Compatible with Black and Decker 20V Max Battery LBXR2520 LBXR2020 LB2X3020 LBX20 LB2X4020 & LST522 LHT2220 LST300 20-Volt Max Cordless Power Tools (2-Pack) - Biswaye LCS1620B Charger Compatible with Black and Decker 20V Lithium Battery Charger, Compatible with Black & Decker 20V Max Lithium-ion Battery LBXR20 LBXR20-OPE2 LBXR2020-OPE LB2X3020-OPE LB2X4020 - 10 Pack Weed Eater String Compatible with Black+Decker, AF-100 0.065" Weed Wacker String Refill 240ft Automatic Feed String Trimmer Replacement Spool Line for Black&Decker(8 Spool+2 Cap+2 Spring) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/45680063-biswaye-4-0ah-20v-lithium-battery-lbxr20-compatible-with-black](https://www.desertcart.kr/products/45680063-biswaye-4-0ah-20v-lithium-battery-lbxr20-compatible-with-black) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-06-10*