--- product_id: 517542357 title: "12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery" brand: "willq" price: "1315.53 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/517542357-12v-20ah-30ah-40ah-50ah-polymer-lithium-battery-waterproof-rechargeable store_origin: TN region: Tunisia --- # Waterproof ABS shell LCD power indicator Up to 50Ah capacity 12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery **Brand:** willq **Price:** 1315.53 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power up smarter, last longer, and ride worry-free! ## Quick Answers - **What is this?** 12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery by willq - **How much does it cost?** 1315.53 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/517542357-12v-20ah-30ah-40ah-50ah-polymer-lithium-battery-waterproof-rechargeable) ## Best For - willq enthusiasts ## Why This Product - Trusted willq brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Power:** Cycle life of 500+ charges means your electric motor stays energized for years. - • **Smart Safety First:** Advanced BMS protects against overcharge, short-circuit, and temperature spikes for worry-free use. - • **Instant Power Insight:** Built-in LCD display keeps you informed of battery status anytime, avoiding unexpected downtime. - • **Lightweight & Durable:** ABS waterproof casing shields your battery from drops and moisture without the bulk. - • **Fast & Efficient Charging:** Comes with a 12.6V 2A charger that fully powers up your battery in just 4 hours. ## Overview This 12V polymer lithium rechargeable battery pack offers capacities from 20Ah to 50Ah, featuring a robust waterproof ABS shell and an intelligent BMS for enhanced safety. Equipped with an LCD display for real-time power monitoring and a fast 4-hour charger, it delivers up to 500 charge cycles and a lifespan of 5 years—making it a superior, lightweight replacement for traditional lead-acid batteries in electric motors. ## Description Battery is equipped with a switch, which can be turned off in time without using the battery to avoid wasting power. The ABS materials shell will protect the battery from the damages of fallen or crashes, also water and moisture. Production process quality inspection and monitoring the use of computers to ensure superior battery performance. The advanced lithium-ion technology offers the highest possible charging cycles and cannot be affected by the so-called memory effect. Equipped with a smart BMS, which protects battery from over-charge, over-discharge, over-voltage, over-current, short-circuit and temperature protection to ensure the safety. Capacity: 20Ah,30Ah,40Ah,50Ah Input voltage: 12.6V Size: 197*115*75mm Input current: 350ma (standard) / 1000ma Output voltage: 12.6-10.8V Output current:1-10A(Customized) Charger input: 100-220V AC Charger output: DC 12V Product life: Cycle charge and discharge times ≥500 times. Package include: 1 X 12V DC Li-ion Battery 1 X 12.6V 2A AC adapter Warm tips: Make sure you buy the suitable battery or motor kits, please check the size and the model carefully before you buy it. When the battery capacity is less than 20%, please charge in time to ensure the battery life. Need to open power switch when Charger. otherwise can't full charge. ## Features - A grade original cell.with the characteristic of long cycle life, light battery weight, high safety performance, green environmental protection, It's a much better battery than a lead-acid battery. - Equipped with BMS protection board. It has to undertake a more accurate calculation of electricity to ensure the service life of the battery, also provides safety while the battery running. - With on/off button, help you save more power. LCD power Indicator, inform you battery power in anytime.The ABS shell will protect the battery from the damages of fallen or crashes, also water and moisture. - Comes with a 12.6V 2A charger, it can be fully charge in 4 hours. Built-in high quality brand lithium cell, battery cycle life up to 500 times, life expectancy of our electric bike battery up to 5 years. - Battery Package contains 1 * 12V polyner lithium battery, 1 * 12.6V 2A Battery charger. Please fully charge before you first use. If you have any questions please contact us for help. ## Technical Specifications | Specification | Value | |---------------|-------| | Antenna Location | Protection | | Asin | B0BYD69VBQ | | Battery Cell Type | Lithium Ion | | Best Sellers Rank | #198,727 in Electronics (See Top 100 in Electronics) #1,259 in Rechargeable Household Batteries | | Brand | WILLQ | | Country Of Origin | China | | Item Dimensions | 19.7 x 11.5 x 7.5 centimeters | | Item Weight | 1.5 Kilograms | | Manufacturer | WILLQ | | Reusability | Rechargeable | | Unit Count | 1.00 Count | | Voltage | 12 Volts | ## Product Details - **Battery cell composition:** Lithium Ion - **Brand:** WILLQ - **Recommended uses for product:** Protection - **Unit count:** 1.00 Count - **Voltage:** 12 Volts ## Images ![12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery - Image 1](https://m.media-amazon.com/images/I/51lRnqJx3mL.jpg) ![12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery - Image 2](https://m.media-amazon.com/images/I/51gb-lKWzQL.jpg) ![12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery - Image 3](https://m.media-amazon.com/images/I/51wdOaHjMvL.jpg) ![12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery - Image 4](https://m.media-amazon.com/images/I/51tXup6hZPL.jpg) ![12V 20Ah 30Ah 40Ah 50Ah Polymer Lithium Battery Waterproof Rechargeable Battery Pack with LCD Display for 12V Electric Motor Replacement Battery - Image 5](https://m.media-amazon.com/images/I/51+C3pVXdmL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## 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.tn/products/517542357-12v-20ah-30ah-40ah-50ah-polymer-lithium-battery-waterproof-rechargeable](https://www.desertcart.tn/products/517542357-12v-20ah-30ah-40ah-50ah-polymer-lithium-battery-waterproof-rechargeable) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-13*