{"product_id":"luminous-red-charge-rc-15000-18000-inverter-battery","title":"Luminous Red Charge RC 15000\/18000 Inverter Battery","description":"\u003c!-- SECTION 1 — PRODUCT HIGHLIGHTS --\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul style=\"line-height: 1.9;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Luminous Power Technologies Pvt. Ltd.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Range:\u003c\/strong\u003e Red Charge Series - Tubular Inverter Battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Models:\u003c\/strong\u003e RC 15000 PRO (Short Tubular), RC 18000ST (Short Tubular), RC 18000TT (Tall Tubular)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Advanced tubular plate engineering with low-antimony spine alloy grids\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 12V (single-battery setup across all variants)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Range:\u003c\/strong\u003e 120Ah – 150Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Microporous ceramic disc float indicators for at-a-glance water level checks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Up to 48 months (varies by model - see comparison table)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SECTION 2 — PRODUCT DESCRIPTION --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLuminous Red Charge Series\u003c\/strong\u003e powers your home seamlessly through extended outages with one of India's most trusted backup power lineups. It combines high-grade spine alloy grids with advanced tubular technology to deliver rapid charging, minimal water topping, and heavy-duty load handling.\u003c\/p\u003e\n\u003cp\u003eAvailable in space-saving \u003cstrong\u003eShort Tubular (ST)\u003c\/strong\u003e and high-density \u003cstrong\u003eTall Tubular (TT)\u003c\/strong\u003e designs, the series lets you choose the perfect physical footprint and backup capacity for your specific home or office layout - from compact apartment trolleys to dedicated inverter rooms with heavy-duty demands.\u003c\/p\u003e\n\u003c!-- KEY FEATURES — YELLOW CALLOUT --\u003e\n\u003cdiv style=\"background-color: #fcefb9; padding: 15px; border-left: 4px solid #efc41a; margin: 15px 0; border-radius: 5px;\"\u003e\n\u003ch4 style=\"color: #000000; margin-top: 0;\"\u003eKey Features\u003c\/h4\u003e\n\u003cul style=\"line-height: 1.9; margin-bottom: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Tubular Plate Engineering:\u003c\/strong\u003e Robust thick-plate structure withstands deep cyclical discharges for steady power during long, frequent outages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Spine Alloy Composition:\u003c\/strong\u003e Low-antimony alloy mixture minimizes internal grid corrosion, extending battery lifespan and stabilizing performance in extreme heat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge Acceptance:\u003c\/strong\u003e Recharges rapidly between successive power failures — ideal for regions with frequent back-to-back outages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Maintenance Design:\u003c\/strong\u003e Highly visible microporous ceramic disc float indicators let you check distilled water levels at a glance while preventing harmful acid fumes from escaping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Footprint Form Factors:\u003c\/strong\u003e Choose ultra-compact Short Tubular variants for sleek cabinets, or the heavy-duty Tall Tubular variant for maximum thermal stability and long-term deep cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- TECHNICAL SPECIFICATIONS — VARIANT COMPARISON TABLE --\u003e\n\u003ch3\u003eTechnical Specifications — Variant Comparison\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fcefb9; padding: 15px; border-left: 4px solid #328616; border-radius: 5px; margin: 15px 0;\"\u003e\n\u003ch4 style=\"color: #000000; margin-top: 0;\"\u003eTechnical Specifications Matrix\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 10px 0; border: 1px solid #ddd;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #efc41a; color: #000000;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eRC 15000 PRO (ST)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eRC 18000ST\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eRC 18000TT\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12V\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12V\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e120 Ah\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e150 Ah\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e150 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eShort Tubular\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eShort Tubular\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eTall Tubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTotal Warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e48 Months\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e36 Months\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e36 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWarranty Breakdown\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e24 Months Free Replacement + 24 Months Pro-Rata\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e18 Months Free Replacement + 18 Months Pro-Rata\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e18 Months Free Replacement + 18 Months Pro-Rata\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e50.5 x 22.0 x 30.8 cm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e50.5 x 22.0 x 30.8 cm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e50.2 x 19.1 x 44.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFilled Weight (Approx.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~39.0 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~43.5 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e~53.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWater Level Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6 Float Indicators\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6 Float Indicators\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6 Float Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBest Suited For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2-3 Room Apartments \/ Light Loads\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCompact Areas \/ Medium-Heavy Loads\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDedicated Inverter Rooms \/ Heavy Duty Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- BLUE CALLOUT — SMART BUYING RECOMMENDATION --\u003e\n\u003ch3\u003eSmart Buying Recommendation\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #e3f2fd; padding: 15px; border-left: 4px solid #1aa4ef; border-radius: 5px; margin: 15px 0;\"\u003e\n\u003ch4 style=\"color: #000000; margin-top: 0;\"\u003eWhich Variant Should You Choose?\u003c\/h4\u003e\n\u003cul style=\"line-height: 1.9; margin-bottom: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC 15000 PRO (120Ah Short Tubular):\u003c\/strong\u003e Best if you live in a 2BHK apartment, run basic appliances (3 fans, 3 lights, 1 TV), experience short but frequent power cuts, and want the longest available warranty (48 months)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC 18000ST (150Ah Short Tubular):\u003c\/strong\u003e Best if you need higher backup capacity for heavier appliances (mixer grinder, personal cooler) but have strict physical space limitations or a compact, low-height battery trolley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC 18000TT (150Ah Tall Tubular):\u003c\/strong\u003e Best if you experience prolonged outages of 4–6+ hours, have ample vertical space to store the battery safely, and want the best thermal management for high-temperature climates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 3 — FAQs --\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003e1) What is the main structural difference between Short Tubular (ST) and Tall Tubular (TT) batteries?\u003c\/h3\u003e\n\u003cp\u003eThe primary difference lies in their physical shape and acid volume distribution. \u003cstrong\u003eShort Tubular\u003c\/strong\u003e batteries (RC 15000 PRO \u0026amp; RC 18000ST) are wider and shorter, making them highly compact and easy to fit inside small apartments or standard storage trolleys. \u003cstrong\u003eTall Tubular\u003c\/strong\u003e batteries (RC 18000TT) are taller and narrower; they contain a larger volume of acid above the plates, providing superior thermal management, slower water evaporation, and better endurance during long, continuous power outages.\u003c\/p\u003e\n\u003ch3\u003e2) Can I use a 150Ah battery with an inverter that previously ran on a 120Ah battery?\u003c\/h3\u003e\n\u003cp\u003eYes, absolutely. All three batteries in this series operate on standard \u003cstrong\u003e12V DC\u003c\/strong\u003e architecture. Upgrading from a 120Ah (RC 15000 PRO) to a 150Ah variant (RC 18000ST or TT) simply means your inverter will deliver a longer backup duration for the exact same connected electrical load. Just ensure your existing inverter supports a 12V single-battery setup.\u003c\/p\u003e\n\u003ch3\u003e3) How much backup time will these individual variants provide for my home?\u003c\/h3\u003e\n\u003cp\u003eBackup time directly depends on the total wattage of your running appliances. On a typical load of 3 Fans, 3 LED Bulbs, and 1 LED TV (approx. 300W–350W): the \u003cstrong\u003eRC 15000 PRO (120Ah)\u003c\/strong\u003e provides roughly 3 to 3.5 hours of continuous backup, while the \u003cstrong\u003eRC 18000ST \u0026amp; RC 18000TT (150Ah)\u003c\/strong\u003e provide roughly 4.5 to 5 hours.\u003c\/p\u003e\n\u003ch3\u003e4) Why does the 120Ah RC 15000 PRO have a longer warranty than the 150Ah models?\u003c\/h3\u003e\n\u003cp\u003eThe \"PRO\" designation signifies a premium grid and chemical formulation that allows Luminous to offer an extended \u003cstrong\u003e48-month warranty\u003c\/strong\u003e window (24 months free replacement + 24 months pro-rata). The standard Red Charge 18000 series (ST and TT) is optimized for higher-capacity raw output value and carries a competitive \u003cstrong\u003e36-month warranty\u003c\/strong\u003e cycle (18 months free replacement + 18 months pro-rata).\u003c\/p\u003e\n\u003ch3\u003e5) How often do these Red Charge tubular batteries require distilled water topping?\u003c\/h3\u003e\n\u003cp\u003eThanks to the high-quality spine alloy composition that reduces water loss, these batteries typically require water topping only once every \u003cstrong\u003e3 to 6 months\u003c\/strong\u003e, depending on your local climate and usage frequency. Monitor the 6 red-and-green float indicators on top of the battery; when the green indicator dips toward the red line, it's time to top up with pure distilled water.\u003c\/p\u003e\n\u003c!-- SECTION 4 — RETURNS \u0026 EXCHANGE POLICY --\u003e\n\u003ch2\u003eReturns \u0026amp; Exchange Policy\u003c\/h2\u003e\n\u003col style=\"line-height: 1.9;\"\u003e\n\u003cli\u003eReturn within 24 hours of delivery for:\n\u003cul\u003e\n\u003cli\u003eDamaged or defective product\u003c\/li\u003e\n\u003cli\u003eWrong or missing item\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct cannot be returned once installed or used\u003c\/li\u003e\n\u003cli\u003eRefer to Refund Policy for complete details\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"HomeRun","offers":[{"title":"RC 15000 PRO (120Ah Short)","offer_id":51460412801339,"sku":"FMEG-LUM-RC15PRO-ST-BAT","price":10199.0,"currency_code":"INR","in_stock":true},{"title":"RC 18000 (150Ah Short)","offer_id":51460412834107,"sku":"FMEG-LUM-RC18000-ST-BAT","price":11498.0,"currency_code":"INR","in_stock":true},{"title":"RC 18000 (150Ah Tall)","offer_id":51460412866875,"sku":"FMEG-LUM-RC18000-TT-BAT","price":12699.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/6095\/4939\/files\/Luminous_Red_Charge_RC_15000_18000_Inverter_Battery.webp?v=1783929726","url":"https:\/\/home-run.co\/hi\/products\/luminous-red-charge-rc-15000-18000-inverter-battery","provider":"HomeRun","version":"1.0","type":"link"}