--- product_id: 160730069 title: "Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery" brand: "shunbin" price: "KD 134.14" currency: KWD in_stock: true reviews_count: 3 url: https://www.desertcart.com.kw/products/160730069-maxwell-durablue-18v-500f-super-capacitor-battery-3000farad-car-audio store_origin: KW region: Kuwait --- # 6700W/kg power density 8M-120M cycle lifespan 10s-10min ultra-fast charge Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery **Brand:** shunbin **Price:** KD 134.14 **Availability:** ✅ In Stock ## Summary > ⚡ Power your ride with lightning-fast energy and legendary endurance! ## Quick Answers - **What is this?** Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery by shunbin - **How much does it cost?** KD 134.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/160730069-maxwell-durablue-18v-500f-super-capacitor-battery-3000farad-car-audio) ## Best For - shunbin enthusiasts ## Why This Product - Trusted shunbin brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Longevity:** Up to 120 million charge cycles means this supercapacitor outlasts traditional batteries by decades. - • **Blazing Fast Recharge:** Reach 95% capacity in as little as 10 seconds—never wait to power your system again. - • **Powerhouse Performance:** High power density of 6700W/kg delivers instant, stable voltage for your car audio or engine start. - • **Low ESR for Maximum Efficiency:** Minimal internal resistance ensures reliable backup power and smooth energy delivery. - • **Certified Quality & Peace of Mind:** ISO-certified manufacturing plus a 3-year warranty keeps your investment protected. ## Overview The Maxwell Durablue 18V 500F Super Capacitor Battery is a cutting-edge energy storage solution designed for car audio amplifiers and engine starts. Featuring an ultra-long lifespan of up to 120 million cycles, a high power density of 6700W/kg, and rapid recharge times between 10 seconds and 10 minutes, it ensures stable voltage and reliable backup power. ISO-certified and backed by a 3-year warranty, this supercapacitor is engineered for professionals demanding peak performance and durability. ## Description 1.long life: up to 8 million to 120 million cycles 2.High Power density: up 6700w/kg 3.Low ESR: can be used as a rechargeable battery and ideal for back up purposes 4.Quick charge: charging 10 seconds to 10 minutes to reach its rated capacity of more than 95% 5.Quality standard:ISO 9001:2000;ISO 9001:2008;ISO 14001:2004 6.Excellent service: ensure products quality,promise one year after-sold service,there is no worry for you Suitable for: auto rectifier, can improve/stereo/speaker, extend battery life, balance voltage, series add fuse and wire Can be used in parallel on the battery! Effect:More than 30 percent of the slopes and powerful features are also used for solar energy. Review: WHITE POWDER AND CORROSION ON SUPERCAP WHEN OPENED BOX 5.26.2021 - THIS MAY BE A GOOD COMPANY BUT I WAS NOT ABLE TO USE THIS PRODUCT. IT SEEMS THAT ONE CELL HAS LEAKED OR SOMETHING LIKE ACID IS ON IT. THAT IS WHY I DID GIVE AN AVERAGE 3 Review: I love it - I love this battery cause it keeps my voltage steady when ever I crank up the bass on my 24,000 watt system along with my lithium batteries ## Features - Maxwell Durablue super capacitor Module 18V 500F with balance circuit board (3.0V 3000F ×6pcs) - long life: up to 8 million to 120 million cycles - High Power density: up 6700W/kg - Low ESR: can be used as a rechargeable battery and ideal for back up purposes - Quick charge: charging 10 seconds to 10 minutes to reach its rated capacity of more than 95% ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WPC8G3Z | | Batteries | 1 12V batteries required. | | Best Sellers Rank | #300 in Car Amplifier Capacitors | | Customer Reviews | 3.0 3.0 out of 5 stars (8) | | Date First Available | August 25, 2019 | | Item Weight | 7.7 pounds | | Manufacturer | Maxwell | | Maximum Voltage | 12 Volts | | Mounting Type | Surface Mount | | Warranty | 3 years warranty | ## Product Details - **Brand:** SHUNBIN - **Capacitance:** 3000 Farad - **Material:** Ceramic, Tantalum - **Operating Voltage:** 12 Volts - **Shape:** Round ## Images ![Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery - Image 1](https://m.media-amazon.com/images/I/610gQSb+4hL.jpg) ![Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery - Image 2](https://m.media-amazon.com/images/I/614lH8mY8qL.jpg) ![Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery - Image 3](https://m.media-amazon.com/images/I/61hIiEGL34L.jpg) ![Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery - Image 4](https://m.media-amazon.com/images/I/61uWnQW8WLL.jpg) ![Maxwell Durablue 18V 500F Super Capacitor Battery 3000farad car Audio Amplifier 12V Engine Start Battery - Image 5](https://m.media-amazon.com/images/I/61Ym6AE1NIL.jpg) ## Questions & Answers **Q: Can this replace the battery for a backup generator? It would be constantly on charge until needed.** A: You need to use it in parallel with the car battery **Q: Does this need to be wired in parallel to go with the car battery** A: Yes, it needs to connected in parallel to the car battery **Q: Whats the charging voltage and can this be used with a 12 volt system?** A: Yes, it can used together **Q: Can you use this with a semi Truck?** A: Yes, you just need 2 of them in serial connection ## Customer Reviews ### ⭐⭐⭐ WHITE POWDER AND CORROSION ON SUPERCAP WHEN OPENED BOX 5.26.2021 *by N***Y on May 26, 2021* THIS MAY BE A GOOD COMPANY BUT I WAS NOT ABLE TO USE THIS PRODUCT. IT SEEMS THAT ONE CELL HAS LEAKED OR SOMETHING LIKE ACID IS ON IT. THAT IS WHY I DID GIVE AN AVERAGE 3 ### ⭐⭐⭐⭐⭐ I love it *by K***L on May 16, 2024* I love this battery cause it keeps my voltage steady when ever I crank up the bass on my 24,000 watt system along with my lithium batteries ### ⭐⭐⭐⭐⭐ Awesome!! *by J***Z on December 7, 2022* Awesome for car audio! Played a song on new amp and this little unit and wow,will buy another one soon thank ypu shun bin --- ## 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.com.kw/products/160730069-maxwell-durablue-18v-500f-super-capacitor-battery-3000farad-car-audio](https://www.desertcart.com.kw/products/160730069-maxwell-durablue-18v-500f-super-capacitor-battery-3000farad-car-audio) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-16*