--- product_id: 177442138 title: "Lasica Replacement for Worx Battery Charger 20V WA3742 Compatible with Worx 20V Lithium Battery WA3520 WA3525 WA3578 WA3575 WA3522 WA3732 WA3770 WA3875 WA3881 Battery Charger" brand: "lasica" price: "€ 32.92" currency: EUR in_stock: true reviews_count: 8 category: "Lasica" url: https://www.desertcart.hr/products/177442138-lasica-replacement-for-worx-battery-charger-20v-wa3742-compatible-worx store_origin: HR region: Croatia --- # 20V output power Multi-model battery compatibility 5-hour fast charge Lasica Replacement for Worx Battery Charger 20V WA3742 Compatible with Worx 20V Lithium Battery WA3520 WA3525 WA3578 WA3575 WA3522 WA3732 WA3770 WA3875 WA3881 Battery Charger **Brand:** lasica **Price:** € 32.92 **Availability:** ✅ In Stock ## Summary > 🔌 Power up your Worx gear — fast, smart, and worry-free! ## Quick Answers - **What is this?** Lasica Replacement for Worx Battery Charger 20V WA3742 Compatible with Worx 20V Lithium Battery WA3520 WA3525 WA3578 WA3575 WA3522 WA3732 WA3770 WA3875 WA3881 Battery Charger by lasica - **How much does it cost?** € 32.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/177442138-lasica-replacement-for-worx-battery-charger-20v-wa3742-compatible-worx) ## Best For - lasica enthusiasts ## Why This Product - Trusted lasica brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart LED Indicators:** Stay informed with intuitive 4-LED status lights showing charging progress, temperature alerts, and battery health. - • **Rapid 5-Hour Recharge:** Get back to work faster with a reliable full charge in just 5 hours—no downtime, no delays. - • **Energy-Saving Sleep Mode:** Protect your battery’s lifespan and save energy by automatically entering sleep mode once fully charged. - • **Universal Worx Compatibility:** Seamlessly charges 18V & 20V Worx lithium batteries across 20+ models for ultimate tool synergy. - • **Certified Safety & Durability:** CE, FCC, and RoHS certified for peace of mind with multi-protection systems ensuring safe, long-lasting charging. ## Overview The Lasica WA3742 Replacement Charger is a certified, high-performance 20V lithium-ion battery charger compatible with a wide range of Worx 18V and 20V cordless tool batteries. Featuring a rapid 5-hour charge time, smart LED indicators, and energy-saving sleep mode, it ensures safe, efficient, and reliable power delivery. Lightweight and compact, it’s the perfect backup or replacement charger for professionals who demand uninterrupted productivity. ## Description Product description Compatible with Worx Charger ITEM Compatible with Worx Battery ITEM Compatible with Worx 18V 20V MAX Lithium Ion Battery WA3578 WA3520, WA3525, WA3512, WA3512.1, WA3522, WA3544, WA3575. Replacement for Worx Charger ITEM Replacement for Worx 18V 20V Lithium Battery Charger WA3732, WA3742, WA3875, WA3881, WA3847, WA3868, WA3835, WA3764. Compatible with Worx Power Tools ITEM 1. Compatible with Worx 40V Cordless Tools (40v power using two 20v modules) Compatible with Worx 40V (2x20V) Power Share Cordless Tools WG584 WG284 WG284.9 WG644 WG644.9 WG184 WG184.9 WG779 WG744 WG751 WG779.9 WG744.9 2. Compatible with Worx 20V Cordless Tools Compatible with Worx 20V Cordless Tools WX178L WX174L WX169L WX176L WX290L WX027L WX026L WX027L.9 Compatible with Worx 20V Cordless Tools WG162 WG170 WG170.1 WG154 WG155 WX682L WX801L WX530L WX523L WX530L.9 Compatible with Worx 20V Cordless Tools WG547 WG545.4 WG547.2 WX093L WG546 WG261 WG255.1 WG275 WG801 Compatible with Worx 20V Cordless Tools WG629.2 WG629.1 WG625 WX550L WX543L WG320 WG321 WG322 WG323 WX820L WA3742 20V Charger Advantages 🟆 Multifunctional LED indicators, multi protections, avoid over-charging, extending battery life; 🟆 LED light indicator shows the battery charge status, full charger time is 3-5 hours as the original ; 🟆 Compact design (2.5-6.0" Long, only 0.46 lbs.) is ideal for job site portability and storage; 🟆 Spare Charger: Like to keep a spare one case it is needed; 🟆 As a Gift: Ready for gifting yourself or someone else, treat yourself or someone special to it. 20V Charger has a 4-LED display The WA3742 charger has a 4-LED display, which communicates to the user when the battery is charging, charged, on a hot/cold delay, and when the battery is defective. LED Indicator Communications Fully Charged = Green Light Solid Charging = Green Light Flashing Battery Defective = Red Light Solid Temperature Anomaly = Red Light Flashing Easy-to-read LED status indicator lights 1. The easy-to-read LED status indicator lights to let you know when your battery is fully charged, and the device will automatically enter sleep mode once the charge is complete. 2. This not only saves on energy costs and avoids over-charging, but it also preserves the lifespan of your battery. 3. This charger work with 20v max tools , so you can feel confident about your purchase. Product Details Product Type: Replacement for Worx 20v lithium charger Model Number: WA3742 Input: 100-240V Output: 20V Current: 0.4A Working frequency: 50-60 Hz Color: Black Exclude: Battery not included Frequently Asked Questions： Q: Does it work on 220v? A: Yes, our charger for 20 volts can support input 100-240V. Hope this helps you, thanks. Q: Does WA3520 battery temperature change the charge time? A: Hello, If the battery is too warm we do advise that you let it cool before attempting to charge. What's in the Box 1 Pack * Lasica 20 Volt Battery Charger WA3742 Compatible with Worx 20-Volt Cordless Power Tools Lithium Battery (Only charger, No battery) How to Maintain the WA3742 charger 20v? If you don't plan on using the 20V charger for a month or more, store it in a clean, dry, cool place away from heat. Please don't stay battery on the charger during storage. Review: Great replacement charger - Works great and easy and quick to use Review: Good buy - Works great ## Features - ✔️【Replacement for Worx Battery 20V Charger】Great Replacement for Worx 20v lithium battery charger WA3742 WA3732 WA3875 WA3881 WA3847 WA3868 WA3835 WA3764. Type: Li-ion battery charger, 100-240V Input US Plug, Compatible with Worx 18 or 20-Volt Max lithium-ion cordless tool battery packs. - ✔️【Compatible with Worx 20V Battery】Widely Compatible with Worx 18v 20v lithium battery WA3525 WA3520 WA3578 WA3575 WA3512 WA3512.1 WA3522 WA3544, also for WX101L, WG385, WG543, WG163, WG261.9, WG584.9, WG322, WG546.9, WG801, WX550L, WG320.9, WG629.9, WX682L.9, WX530L.9, WX169L.9 and WG323 20v/40v cordless tools battery. - ✔️【WA3742 Outdoor Power Tool Battery Charger】Charges 20-volt Max lithium battery in about 5 hours. LED temperature gauge lighting, multi protections, it is easy and safe to work, and Energy-saving sleep mode protects the battery from damage. - ✔️【Intelligent Protection System】This WA3742 20v battery charger is CE, FCC, ROHS certified, tested, and validated by manufacturer to match specifications of OEM products and exported all around the world, has longer service life and safer battery charging. - ✔️【Sincere After-Sale Service】 About the usage and maintenance of WA3742 20v charger, please feel free to contact us, we will accept all opinions with humility and satisfied you. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VHZ1M9R | | Amperage | 0.4 Amps | | Battery Charge Time | 5 Hours | | Best Sellers Rank | #20,384 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #51 in Power Tool Battery Chargers | | Brand | Lasica | | Built-In Media | 1 Pack * Lasica 20 Volt Battery Charger WA3742 Compatible with Worx 20-Volt Cordless Power Tools Lithium Battery (Only charger, No battery) | | Color | Black | | Compatible Devices | Replacement for Worx Battery Charger 20V WA3732 WA3742 WA3875 WA3881, WA3742 Charger Compatible with Worx 20V Lithium Battery WA3520 WA3525 WA3578 | | Current Rating | 400 Milliamps | | Customer Reviews | 4.6 out of 5 stars 1,455 Reviews | | Input Voltage | 240 Volts (AC) | | Item Weight | 0.63 Ounces | | Manufacturer | WALEE | | Mfr Part Number | WOX-WA3742-L | | Model Number | WA3742 battery Charger | | Number of Ports | 1 | | Output Voltage | 20 Volts (DC) | | Specification Met | Comply with FCC, RoHS, and CE security testing standards | | Unit Count | 1 Count | ## Product Details - **Brand:** Lasica - **Color:** Black - **Item Weight:** 0.63 Ounces - **Output Voltage:** 20 Volts (DC) - **Specification Met:** Comply with FCC, RoHS, and CE security testing standards ## Images ![Lasica Replacement for Worx Battery Charger 20V WA3742 Compatible with Worx 20V Lithium Battery WA3520 WA3525 WA3578 WA3575 WA3522 WA3732 WA3770 WA3875 WA3881 Battery Charger - Image 1](https://m.media-amazon.com/images/I/61X89iJi4ZL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great replacement charger *by B***T on January 16, 2026* Works great and easy and quick to use ### ⭐⭐⭐⭐⭐ Good buy *by B***N on December 12, 2025* Works great ### ⭐⭐⭐⭐⭐ Works as supposed to. *by H***4 on December 25, 2025* Perfect replacement. Works well --- ## 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.hr/products/177442138-lasica-replacement-for-worx-battery-charger-20v-wa3742-compatible-worx](https://www.desertcart.hr/products/177442138-lasica-replacement-for-worx-battery-charger-20v-wa3742-compatible-worx) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-12*