--- product_id: 51429981 title: "Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B)" brand: "ultramax" price: "8871271₫" currency: VND in_stock: true reviews_count: 8 category: "Ultramax" url: https://www.desertcart.vn/products/51429981-ultramax-lawnmower-battery-12v-18ah-replaces-f19-12b store_origin: VN region: Vietnam --- # Usable in Any Orientation 12V 18Ah Power Boost Heavy-Duty Plates for Longevity Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) **Brand:** ultramax **Price:** 8871271₫ **Availability:** ✅ In Stock ## Summary > 🔋 Power your lawn, power your lifestyle—Ultramax keeps you cutting edge. ## Quick Answers - **What is this?** Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) by ultramax - **How much does it cost?** 8871271₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/51429981-ultramax-lawnmower-battery-12v-18ah-replaces-f19-12b) ## Best For - ultramax enthusiasts ## Why This Product - Trusted ultramax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fits Like a Glove:** Compact dimensions (181x76x167 mm) designed to replace popular models like Yuasa NP17-12 and Powersonic PS12180 seamlessly. - • **Peace of Mind Included:** Backed by a 1-year manufacturer warranty and glowing 4.6-star reviews—join thousands of satisfied pros who trust Ultramax. - • **Versatile Orientation Use:** Install it any way you want (except continuous inverted) for flexible, hassle-free setup in your equipment. - • **Power That Lasts Twice as Long:** Heavy-duty plates and unique separators double your battery’s lifespan, keeping your mower running stronger, longer. - • **Ready to Go, Right Out of the Box:** Supplied fully charged and fresh from the factory for maximum performance—no waiting, just mowing. ## Overview The Ultramax Lawnmower Battery 12V 18Ah is a sealed lead-acid rechargeable battery engineered for high performance and extended lifespan. With heavy-duty plates and unique separators, it delivers twice the cyclic capability of conventional batteries. Compact and fully charged on arrival, it fits popular lawn mower models and supports versatile installation orientations. Backed by a 1-year warranty and strong customer satisfaction, it’s the reliable power source for your outdoor equipment. ## Description Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B): desertcart.co.uk: Garden Review: Works Great! - The Battery Is A Good Job Fits And Works Great Will Please ! Review: Good replacement at a good price. - Arrived on time and fully charged. Easy to fit and started first time so works fine on our Mountfield 1530 H. At £49.99 an excellent price compared to Mountfield. Early days so can’t comment on how long it will last but will report back if there’s a problem. ## Features - Ultra Max NP18-12, 12v 18Ah. Dimensions: L(mm) W(mm) H(mm) 181 76 167 - Brand New Fresh Stock for Maximum Performance 12v 18Ah Usable in any orientation (except continuous inverted). - Longer lifespan due to Heavy-duty plates and unique separator systems to deliver cyclic capability twice as long as conventional batteries - Supplied with 1 Year Manufacturer Warranty Support - Superior High Performance Battery - Supplied Fully Charged ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00TPPYGDI | | Amperage | 18 Amps | | Antenna Location | Emergency,Medical | | Battery Capacity | 18 Amp Hours | | Battery Cell Type | Sealed Lead Acid | | Battery capacity | 18 Amp Hours | | Battery cell composition | Sealed Lead Acid | | Best Sellers Rank | 14,826 in Garden ( See Top 100 in Garden ) 9 in Lawn Mower Batteries | | Brand | Ultramax | | Brand Name | Ultramax | | Customer Reviews | 4.6 out of 5 stars 351 Reviews | | Item Dimensions | 18.1 x 7.6 x 16.7 centimetres | | Manufacturer | ULTRA MAX | | Model Number | SLAUMXNP18-12 | | Number of Batteries | 1 12V batteries required. | | Number of batteries | 1 12V batteries required. | | Recommended uses for product | Emergency,Medical | | Reusability | Rechargeable | | Unit Count | 1 count | | Unit count | 1 count | | Voltage | 12 Volts | ## Product Details - **Battery capacity:** 18 Amp Hours - **Battery cell composition:** Sealed Lead Acid - **Brand:** Ultramax - **Number of batteries:** 1 12V batteries required. - **Recommended uses for product:** Emergency,Medical ## Images ![Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) - Image 1](https://m.media-amazon.com/images/I/71DO7nJnS-S.jpg) ![Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) - Image 2](https://m.media-amazon.com/images/I/71kXFM6jGvS.jpg) ![Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) - Image 3](https://m.media-amazon.com/images/I/71zebHAoIOL.jpg) ![Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) - Image 4](https://m.media-amazon.com/images/I/61FMrv8Ng1L.jpg) ![Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B) - Image 5](https://m.media-amazon.com/images/I/71DXRrsc2fL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works Great! *by J***Z on 7 February 2025* The Battery Is A Good Job Fits And Works Great Will Please ! ### ⭐⭐⭐⭐⭐ Good replacement at a good price. *by J***B on 11 March 2025* Arrived on time and fully charged. Easy to fit and started first time so works fine on our Mountfield 1530 H. At £49.99 an excellent price compared to Mountfield. Early days so can’t comment on how long it will last but will report back if there’s a problem. ### ⭐⭐⭐⭐⭐ Used on my Mountfield *by A***R on 23 November 2023* Last battery lasted over 15 years but finally died. This turned up quicker than expected - I took it out the box and fitted it straight onto the mower without checking the voltage or connecting it to my battery charger. beforehand. Turned the key and she fired straight up! Very pleased...even comes with a spare set of bolts and washers to connect the leads. ## Frequently Bought Together - ULTRA MAX Lawnmower Battery Ultramax 12V 18Ah - (Replaces F19-12B) - MOTOPOWER MP00205A 12V 800mA Fully Automatic Battery Charger/Maintainer - UK Plug --- ## 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.vn/products/51429981-ultramax-lawnmower-battery-12v-18ah-replaces-f19-12b](https://www.desertcart.vn/products/51429981-ultramax-lawnmower-battery-12v-18ah-replaces-f19-12b) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-14*