{"product_id":"power-sonic-12v-128ah-agm-deep-cycle-battery","title":"Power-Sonic 12V 128Ah AGM Deep Cycle Battery","description":"\u003ch2\u003ePower-Sonic PDC-121300: 128Ah AGM Deep Cycle Battery for Reliable Off-Grid Energy\u003c\/h2\u003e \u003ch3\u003eEngineered for Sustained Deep Cycling in Caravans, Marine, and Mobility Applications\u003c\/h3\u003e \u003cp\u003eThe \u003cstrong\u003ePower-Sonic 12V 128Ah AGM Deep Cycle Battery\u003c\/strong\u003e is purpose-built for applications demanding regular, deep discharges and reliable recharge cycles. Part of the PDC series, it features \u003cstrong\u003eoversized negative plates\u003c\/strong\u003e and a \u003cstrong\u003especialised paste formulation\u003c\/strong\u003e that delivers consistent power over extended periods, reducing the risk of premature capacity loss common in standard batteries used for cycling. This makes it an excellent choice for \u003cstrong\u003ecaravan solar systems\u003c\/strong\u003e, \u003cstrong\u003emarine house banks\u003c\/strong\u003e, \u003cstrong\u003emobility scooters\u003c\/strong\u003e, and other deep cycle applications where dependable energy storage is critical.\u003c\/p\u003e \u003cp\u003eUnlike conventional flooded batteries, the \u003cstrong\u003eAbsorbent Glass Mat (AGM) technology\u003c\/strong\u003e immobilises the electrolyte, enabling \u003cstrong\u003espill-proof, maintenance-free operation\u003c\/strong\u003e in any orientation except inverted. The \u003cstrong\u003evalve-regulated design\u003c\/strong\u003e eliminates the need for watering and minimises gas emissions, making it safer for enclosed spaces like caravans and boat compartments. With a \u003cstrong\u003enominal capacity of 128Ah at a 20-hour rate\u003c\/strong\u003e, this battery provides ample reserve for multi-day off-grid adventures or daily mobility use.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eTrue deep cycle design\u003c\/strong\u003e with oversized negative plates and advanced paste for extended cycle life\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAGM construction\u003c\/strong\u003e ensures leak-proof, vibration-resistant performance in mobile environments\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHigh energy density\u003c\/strong\u003e delivers more usable power per kilogram compared to many flooded equivalents\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow internal resistance\u003c\/strong\u003e (approx. 3.6 mΩ) supports efficient charging and higher discharge rates\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRugged ABS case\u003c\/strong\u003e (UL94-HB) withstands impacts and harsh conditions\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCertified for air transport\u003c\/strong\u003e (D.O.T., I.A.T.A., F.A.A., C.A.B.) and U.L. recognised (MH 20845)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegrated carry handles\u003c\/strong\u003e simplify lifting and installation despite the 37.3 kg weight\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eOptimised for Deep Discharge Recovery\u003c\/h3\u003e \u003cp\u003eDeep cycle batteries often face deep discharges that can permanently damage standard batteries. The PDC series incorporates \u003cstrong\u003especial additives in the paste\u003c\/strong\u003e that enhance recovery from deep discharge events, helping to maintain capacity over hundreds of cycles. This resilience is particularly valuable in solar storage systems where daily depth of discharge can reach 50% or more, or in mobility scooters that require consistent power throughout the day.\u003c\/p\u003e \u003ch3\u003eVersatile Applications\u003c\/h3\u003e \u003cp\u003eThis battery is suited to a wide range of 12V deep cycle applications:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eCaravans and RVs:\u003c\/strong\u003e Powers lights, pumps, and appliances during extended off-grid stays\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMarine:\u003c\/strong\u003e Ideal for trolling motors, fish finders, and house loads on boats\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCamping:\u003c\/strong\u003e Reliable energy for portable fridges, lighting, and charging stations\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMobility Scooters and Electric Bikes:\u003c\/strong\u003e Provides the deep cycle endurance needed for daily use\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOff-Grid Solar:\u003c\/strong\u003e Stores energy from solar panels for use at night or during cloudy periods\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation and Charging Recommendations\u003c\/h3\u003e \u003cp\u003eFor optimal performance and lifespan, pair this battery with a quality charger like the \u003cstrong\u003ePower-Sonic PSC-1212000ACX\u003c\/strong\u003e. For cyclic use, charge at 14.1–14.7V at 20°C with current limited to less than C\/5 Amps (approx. 25.6A). For float service, maintain 13.5–13.8V. The M8 terminal bolts (approx. 5\/16\"-18) accept standard ring lugs, and the compact dimensions (408mm L x 177mm W x 225mm H) fit common battery trays. Note that operating temperature ranges are 0°C to 40°C for charging and -20°C to 55°C for discharging, so consider thermal management in extreme climates.\u003c\/p\u003e \u003ch3\u003eWhy Choose the Power-Sonic PDC Series?\u003c\/h3\u003e \u003cp\u003eCompared to generic AGM batteries, the PDC series is engineered specifically for deep cycling, with a focus on \u003cstrong\u003ecycle life and recovery\u003c\/strong\u003e. The oversized negative plates and specialised paste reduce the risk of sulfation and capacity walk-down, problems that plague standard batteries when cycled deeply. This translates to lower total cost of ownership and fewer replacements over the life of your system.\u003c\/p\u003e \u003cp\u003eWhether you're upgrading your caravan's house battery, building a marine electrical system, or powering a mobility device, the Power-Sonic 12V 128Ah AGM Deep Cycle Battery offers the durability and performance needed for demanding off-grid applications.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReady to power your next adventure? Order the Power-Sonic 128Ah AGM Deep Cycle Battery today and experience reliable, maintenance-free energy storage built for the long haul.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Power-Sonic","offers":[{"title":"Default Title","offer_id":55056635953491,"sku":"PDC121300","price":355.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/power-sonic-12v-128ah-agm-deep-cycle-battery-pdc121300.webp?v=1790335795","url":"https:\/\/progradewarehouse.com\/products\/power-sonic-12v-128ah-agm-deep-cycle-battery","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}