--- product_id: 185542850 title: "ULTRA MAX NP2.3-12, 12V 2.3Ah LEAD-ACID ALARM BATTERY NP2.1-12" brand: "ultra max" price: "¥7812" currency: JPY in_stock: true category: "Ultra Max" url: https://www.desertcart.jp/products/185542850-ultra-max-np2-3-12-12v-2-3ah-lead-acid store_origin: JP region: Japan --- # 2.3Ah reliable capacity Compact 179x35x66mm size 12V power punch ULTRA MAX NP2.3-12, 12V 2.3Ah LEAD-ACID ALARM BATTERY NP2.1-12 **Brand:** ultra max **Price:** ¥7812 **Availability:** ✅ In Stock ## Summary > 🔋 Stay charged, stay secure — never miss a beat with Ultra MAX NP2.3-12! ## Quick Answers - **What is this?** ULTRA MAX NP2.3-12, 12V 2.3Ah LEAD-ACID ALARM BATTERY NP2.1-12 by ultra max - **How much does it cost?** ¥7812 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/185542850-ultra-max-np2-3-12-12v-2-3ah-lead-acid) ## Best For - ultra max enthusiasts ## Why This Product - Trusted ultra max brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power That Lasts:** 2.3Ah capacity ensures your security system stays alert longer - • **Versatile Mounting:** Can be installed upright or sideways to fit any alarm panel setup - • **Durable & Leak-Free:** Sealed Lead Acid AGM technology for maintenance-free, spill-proof reliability - • **Peace of Mind Warranty:** Backed by 12-month warranty and hassle-free 30-day returns - • **Perfect Fit Replacement:** Compatible with multiple 12V 2.1-2.3Ah batteries for seamless swap ## Overview The Ultra MAX NP2.3-12 is a compact, sealed lead acid (AGM) 12V 2.3Ah rechargeable battery designed primarily for burglar alarm systems. It offers a reliable, maintenance-free power source compatible with various 12V 2.1-2.3Ah replacements, featuring versatile mounting options and backed by a 12-month warranty for dependable security performance. ## Description NP2.3-12, 12v 2.3Ah Ultramax Lead Acid rechargeable Battery Mostly used as burglar alarm battery in panel units and bell boxes in the security industry. Can be mounted on it's side as well as upright. Can be used to replace Yuasa NP2.1-12, Yuasa NP2.3-12, Yucel y2.1-12, Power Sonic PS-1221, Power Sonic PS-1220. Dimensions: 179 35 66 ## Features - Ultramax NP2.3-12, 12v 2.3Ah Sealed Lead Acid - AGM - VRLA Battery. DIMENSIONS: L 179mm x W 35mm x H 66mm including terminals - Ultramax replacement compatible with any 12v 2.1Ah 2.2Ah & 2.3Ah Battery. Exact replacement for the original battery - Voltage: 12V (12 Volts); Capacity: 2.3Ah (2300mAh); Terminals: F1; Chemistry: Sealed Lead Acid (AGM); Weight: 0.8 kg each - IMPORTANT: You MUST RE-USE: your existing cabling and hardware. These are replacement batteries only - NOTE: It is your responsibility to verify the batteries being ordered match the batteries in your unit prior to placing your order. We are not responsible for incorrect orders Backed by easy 30-day returns and 12-month warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B084JJTNQ4 | | Amperage | 0.35 Amps | | Antenna Location | Alarm | | Battery Capacity | 2.3 Amp Hours | | Battery Cell Type | Sealed Lead Acid | | Battery Weight | 800 Grams | | Best Sellers Rank | 15,025 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 372 in Rechargeable Household Batteries | | Brand Name | Ultra MAX | | Customer Reviews | 4.5 4.5 out of 5 stars (222) | | Item Dimensions | 17.9 x 3.5 x 6.6 centimetres | | Item Weight | 0.8 Kilograms | | Manufacturer | ULTRAMAX | | Number of Batteries | 1 12V batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1.0 count | | Voltage | 12 Volts | ## Product Details - **Battery capacity:** 2.3 Amp Hours - **Battery cell composition:** Sealed Lead Acid - **Brand:** Ultra MAX - **Number of batteries:** 1 12V batteries required. (included) - **Recommended uses for product:** Alarm ## Images ![ULTRA MAX NP2.3-12, 12V 2.3Ah LEAD-ACID ALARM BATTERY NP2.1-12 - Image 1](https://m.media-amazon.com/images/I/81Wgx2E9baL.jpg) ## Frequently Bought Together - ULTRA MAX NP2.3-12, 12V 2.3Ah LEAD-ACID ALARM BATTERY NP2.1-12 - Duracell CR2032 Lithium Coin Batteries 3V (4 Pack) - Up to 70% Extra Life* - Baby Secure Technology – Recommended for use in Apple AirTag - Use in Key Fobs, Home Devices, Fitness, Medical Accessories --- ## 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.jp/products/185542850-ultra-max-np2-3-12-12v-2-3ah-lead-acid](https://www.desertcart.jp/products/185542850-ultra-max-np2-3-12-12v-2-3ah-lead-acid) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-13*