{"product_id":"deep-cycle-agm-batteries-banks-for-off-grid-solar-motorhomes-ups-systems-100ah-500ah-1","title":"Deep Cycle AGM Batteries \u0026 Banks for Off-Grid Solar, Motorhomes \u0026 UPS Systems (100Ah - 500Ah)","description":"\u003c!-- SEO Product Name: Photonic Universe 100Ah 12V Deep Cycle AGM Battery - Leisure Battery for Motorhomes, Caravans, Boats \u0026 Off-Grid Solar --\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 100Ah 12V AGM Battery is a \u003cstrong\u003edeep cycle leisure battery\u003c\/strong\u003e built using \u003cstrong\u003eAbsorbed Glass Mat (AGM)\u003c\/strong\u003e technology, where the electrolyte is held in a glass-fibre mat rather than free liquid. This makes the battery \u003cstrong\u003ecompletely sealed, non-spillable, and maintenance-free\u003c\/strong\u003e — a safe, low-fuss power source for motorhomes, caravans, campervans, boats, and off-grid or backup power systems. Its excellent solar charge acceptance also makes it a strong match for solar and wind charging setups.\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;\"\u003eNominal Voltage\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e12V\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;\"\u003e100Ah (10h) \/ 105Ah (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;\"\u003e25A\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;\"\u003e1000–1100 @ 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;\"\u003eSelf-Discharge\u003cbr\u003e\u003cspan style=\"font-weight:normal; font-size:13px;\"\u003e\u0026lt;3% per month\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;\"\u003e30.0 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;\"\u003eWhat \"Deep Cycle\" Means:\u003c\/strong\u003e This battery is built for applications involving \u003cstrong\u003eregular deep discharge\u003c\/strong\u003e — such as running leisure loads in a caravan or boat overnight — rather than the brief high-current bursts of a standard starter battery. This makes it well suited to solar and wind energy storage, backup power, and off-grid systems.\n  \u003c\/div\u003e\n\n  \u003c!-- Amber callout: compatibility\/ordering --\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 The battery's \u003cstrong\u003emaximum charging current is 25A\u003c\/strong\u003e. When sizing a solar charge controller, wind charge controller, or mains battery charger for this battery, make sure the charging current is set at or below this limit to avoid excessive heat build-up and premature ageing.\n  \u003c\/div\u003e\n\n  \u003c!-- Red callout: safety\/operating limits --\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 This battery is rated for operation between \u003cstrong\u003e+10°C and +40°C\u003c\/strong\u003e. Charging or discharging outside this range can reduce performance and shorten service life — consider battery insulation or a heated compartment for cold-weather or winter use.\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;\"\u003eSealed AGM Construction\u003c\/strong\u003e\u003cbr\u003e\n        With electrolyte fully absorbed into a glass-fibre mat, the battery is non-spillable and maintenance-free, removing the need to check or top up electrolyte levels over its service 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;\"\u003eFlexible Mounting Position\u003c\/strong\u003e\u003cbr\u003e\n        Unlike flooded lead-acid batteries, this AGM design doesn't need to stay strictly upright, giving more flexibility when fitting it into tight battery compartments on boats and vehicles.\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;\"\u003eShock \u0026amp; Vibration Resistant\u003c\/strong\u003e\u003cbr\u003e\n        The glass-mat internal structure gives better resistance to shock and vibration than wet-cell batteries, suiting the constant motion of a moving vehicle or boat underway.\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        The battery recovers well after being deeply discharged, an important trait for leisure use where the battery is routinely run down overnight and recharged the next day.\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        At under 3% self-discharge per month, the battery holds its charge well during storage — useful for seasonal boats or motorhomes that aren't in constant 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;\"\u003eReady to Install\u003c\/strong\u003e\u003cbr\u003e\n        Supplied with terminal bolts and washers plus a user manual, so the battery is ready to wire into your existing system without needing to source extra hardware.\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;\"\u003e12V\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;\"\u003e100Ah (10-hour rate) \/ 105Ah (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;\"\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSelf-Discharge Rate\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u0026lt;3% per month\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\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;\"\u003e1000–1100 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\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;\"\u003eF13 (bolts and washers included)\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;\"\u003e331 x 173 x 217 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;\"\u003e30.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eTypical Service Life\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3–5 years typical, up to 6–8 years with good care\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\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, terminal bolts and washers\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\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;\"\u003eWhat does AGM mean, and why is it better than a standard wet-cell battery?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eAGM stands for \u003cstrong\u003eAbsorbed Glass Mat\u003c\/strong\u003e — the electrolyte is absorbed into a glass-fibre mat instead of sitting as free liquid. This makes the battery sealed, non-spillable, and maintenance-free, with less internal corrosion and degradation than a standard wet-cell battery, giving it a longer service life.\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;\"\u003eIs this battery suitable for a solar charging setup?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eYes — this battery has \u003cstrong\u003eexcellent solar charge acceptance\u003c\/strong\u003e and is a common choice for solar charging kits. Just make sure your solar charge controller's output current doesn't exceed the battery's \u003cstrong\u003e25A maximum charging current\u003c\/strong\u003e.\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 — one of the benefits of AGM construction is that the battery's \u003cstrong\u003eposition doesn't have to be upright at all times\u003c\/strong\u003e, giving more flexibility for fitting in awkward spaces compared with a flooded lead-acid battery.\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;\"\u003eHow long will this battery last?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eTypical service life is \u003cstrong\u003e3–5 years\u003c\/strong\u003e, though with good care — avoiding deep over-discharge and staying within the rated operating temperature — it can last \u003cstrong\u003e6–8 years\u003c\/strong\u003e. Cycle life is rated at 1000–1100 cycles at 30% depth of discharge.\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 included when I buy this battery?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:12px 14px;\"\u003eThe battery is supplied in a carton box along with a \u003cstrong\u003euser manual\u003c\/strong\u003e and the \u003cstrong\u003eterminal bolts and washers\u003c\/strong\u003e needed to connect it, so it's ready to wire straight into your system.\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":63230393876829,"sku":"AGM100AH","price":197.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/DeepCycleAGMBatteries_BanksforOff-GridSolar_Motorhomes_UPSSystems.jpg?v=1784818359","url":"https:\/\/qualityheating.co.uk\/products\/deep-cycle-agm-batteries-banks-for-off-grid-solar-motorhomes-ups-systems-100ah-500ah-1","provider":"AIZO Quality Heating","version":"1.0","type":"link"}