{"product_id":"pu-500ah-2v-deep-cycle-agm-battery-cell-for-12v-24v-48v-bank-systems","title":"500Ah 2V Deep Cycle AGM Battery Cell - For 12V\/24V\/48V Bank Systems","description":"\u003c!-- SEO Product Name: Photonic Universe 500Ah 2V Deep Cycle AGM Battery Cell - For 12V\/24V\/48V Bank Systems --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; font-family:Arial, Helvetica, sans-serif; color:#222; line-height:1.55;\"\u003e\n\n  \u003cp\u003eThe Photonic Universe 500Ah 2V AGM Battery is a single \u003cstrong\u003e2V deep cycle cell\u003c\/strong\u003e designed to be combined with others to build a \u003cstrong\u003ebespoke 12V, 24V, or 48V energy storage bank\u003c\/strong\u003e. It's also supplied as a direct \u003cstrong\u003ereplacement cell\u003c\/strong\u003e for existing systems already built from 500Ah 2V AGM batteries. Like other AGM designs, all electrolyte is absorbed into a glass-fibre mat, making the battery \u003cstrong\u003enon-spillable, completely sealed, and maintenance-free\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003c!-- Six-tile stat strip --\u003e\n  \u003cdiv style=\"display:table; width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n    \u003cdiv style=\"display:table-row;\"\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eCell Voltage\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e2V\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eCapacity\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e500Ah (10h) \/ 508Ah (20h)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eMax Charge Current\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e100A\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eCycle Life\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e1200 @ 30% DoD\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eTerminal Type\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003eM10 bolts\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:16.6%; background:#008377CF; color:#fff; text-align:center; padding:12px 6px; font-weight:bold; font-size:14px;\"\u003eWeight\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e27 kg\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Teal callout: informational --\u003e\n  \u003cdiv style=\"border-left:4px solid #008377CF; background:#e6f3f2; padding:12px 16px; margin:16px 0;\"\u003e\n    \u003cstrong style=\"color:#008377CF;\"\u003eBuilding a Battery Bank:\u003c\/strong\u003e As a single 2V cell, multiple units are wired in series to build higher-voltage banks — for example, \u003cstrong\u003e6 cells for a 12V bank, 12 cells for 24V, or 24 cells for 48V\u003c\/strong\u003e. This cell is also suitable as a like-for-like replacement in an existing 2V AGM bank.\n  \u003c\/div\u003e\n\n  \u003c!-- Amber callout: compatibility --\u003e\n  \u003cdiv style=\"border-left:4px solid #d98c00; background:#fdf3e3; padding:12px 16px; margin:16px 0;\"\u003e\n    \u003cstrong style=\"color:#d98c00;\"\u003eCharging Current Limit:\u003c\/strong\u003e Keep any charge controller or charger output at or below the \u003cstrong\u003e100A maximum charging current\u003c\/strong\u003e for this cell. When several cells are wired in series for a bank, the same current flows through the whole string, so the bank's charge current is still limited to 100A regardless of the number of cells.\n  \u003c\/div\u003e\n\n  \u003c!-- Red callout: safety --\u003e\n  \u003cdiv style=\"border-left:4px solid #cc0000; background:#fdecec; padding:12px 16px; margin:16px 0;\"\u003e\n    \u003cstrong style=\"color:#cc0000;\"\u003eOperating Temperature Range:\u003c\/strong\u003e Rated for use between \u003cstrong\u003e-10°C and +40°C\u003c\/strong\u003e. Operating outside this range, particularly on the high end, can accelerate degradation and shorten service life — ensure the battery compartment has adequate ventilation.\n  \u003c\/div\u003e\n\n  \u003c!-- Feature grid --\u003e\n  \u003cdiv style=\"display:table; width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n    \u003cdiv style=\"display:table-row;\"\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eMaintenance-Free AGM Design\u003c\/strong\u003e\u003cbr\u003e\n        With the electrolyte absorbed into a glass-fibre mat, there's no need for liquid or electrolyte top-ups over the cell's operating life.\n      \u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eSealed \u0026amp; Terminal-Protected\u003c\/strong\u003e\u003cbr\u003e\n        Completely sealed and non-spillable, with a protective covering over the terminals — an important safety feature for banks built from multiple series-connected cells.\n      \u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eLow Self-Discharge\u003c\/strong\u003e\u003cbr\u003e\n        Less prone to sulphation than flooded batteries, holding its charge for longer — useful where a bank sits idle between periods of use.\n      \u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eVibration \u0026amp; Shock Resistant\u003c\/strong\u003e\u003cbr\u003e\n        Good resistance to shock and vibration, and the cell's position doesn't have to remain upright at all times, giving flexibility in bank layout and mounting.\n      \u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eStrong Deep-Discharge Recovery\u003c\/strong\u003e\u003cbr\u003e\n        Recovers well from deep discharge cycles compared with flooded lead-acid alternatives, supporting repeated heavy use in off-grid storage systems.\n      \u003c\/div\u003e\n      \u003cdiv style=\"display:table-cell; width:33.3%; padding:10px; border:1px solid #008377CF; vertical-align:top;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eRobust M10 Terminals\u003c\/strong\u003e\u003cbr\u003e\n        Fitted with M10 bolt terminals suited to the heavier interconnecting cables typically used in high-capacity multi-cell bank wiring.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Spec table --\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#fff; font-weight:bold; padding:8px;\"\u003eElectrical Specifications\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e500Ah (10-hour rate) \/ 508Ah (20-hour rate)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMaximum Charging Current\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCycle Lifetime (at 30% D.O.D.)\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1200 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePressure Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSafety valve installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\n    \u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#fff; font-weight:bold; padding:8px;\"\u003ePhysical \u0026amp; Build Specifications\u003c\/td\u003e\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBattery Technology\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAGM (Absorbed Glass Mat), sealed lead-acid\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eTerminal Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eM10 bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e-10°C to +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e242 x 174 x 365 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e27 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eIncluded in Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBattery, user manual\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv style=\"margin-top:24px;\"\u003e\n    \u003cdetails style=\"margin-bottom:8px; border:1px solid #008377CF; border-radius:4px;\"\u003e\n      \u003csummary style=\"background:#008377CF; color:#fff; padding:10px 14px; font-weight:bold; cursor:pointer;\"\u003eHow many of these cells do I need for a 12V, 24V or 48V bank?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eAs a 2V cell, you'll need \u003cstrong\u003e6 cells wired in series for a 12V bank\u003c\/strong\u003e, \u003cstrong\u003e12 for 24V\u003c\/strong\u003e, or \u003cstrong\u003e24 for 48V\u003c\/strong\u003e. All cells in a series string should be the same age and condition for balanced performance.\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"margin-bottom:8px; border:1px solid #008377CF; border-radius:4px;\"\u003e\n      \u003csummary style=\"background:#008377CF; color:#fff; padding:10px 14px; font-weight:bold; cursor:pointer;\"\u003eCan I use this as a replacement for an existing battery bank?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eYes — this cell can be used as a \u003cstrong\u003ereplacement battery\u003c\/strong\u003e for systems already built from 500Ah 2V AGM cells. If replacing only some cells in an older bank, bear in mind mixing new and used cells in series can lead to imbalance over time.\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"margin-bottom:8px; border:1px solid #008377CF; border-radius:4px;\"\u003e\n      \u003csummary style=\"background:#008377CF; color:#fff; padding:10px 14px; font-weight:bold; cursor:pointer;\"\u003eWhat's the maximum charging current for a full bank built from these cells?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eEach cell is rated to a \u003cstrong\u003emaximum charging current of 100A\u003c\/strong\u003e. Since cells in a series bank share the same current path, the whole bank's charge current should also stay within 100A, regardless of how many cells are connected in series.\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"margin-bottom:8px; border:1px solid #008377CF; border-radius:4px;\"\u003e\n      \u003csummary style=\"background:#008377CF; color:#fff; padding:10px 14px; font-weight:bold; cursor:pointer;\"\u003eDoes this battery need to be kept upright?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eNo — the AGM design means the cell's \u003cstrong\u003eposition doesn't have to be upright at all times\u003c\/strong\u003e, giving more flexibility when arranging cells in a bank or fitting them into a battery compartment.\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"margin-bottom:8px; border:1px solid #008377CF; border-radius:4px;\"\u003e\n      \u003csummary style=\"background:#008377CF; color:#fff; padding:10px 14px; font-weight:bold; cursor:pointer;\"\u003eWhat terminal hardware does this battery use?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eThis cell is fitted with \u003cstrong\u003eM10 bolt terminals\u003c\/strong\u003e, suited to the heavier-gauge interconnecting cables typically used when wiring multiple high-capacity cells into a bank.\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Photonic Universe","offers":[{"title":"Default Title","offer_id":65349171937629,"sku":"AGM500AH-2V","price":330.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/500Ah2VdeepcycleAGMbattery.jpg?v=1784829312","url":"https:\/\/qualityheating.co.uk\/products\/pu-500ah-2v-deep-cycle-agm-battery-cell-for-12v-24v-48v-bank-systems","provider":"AIZO Quality Heating","version":"1.0","type":"link"}