{"id":85353,"date":"2022-09-27T16:18:13","date_gmt":"2022-09-27T13:18:13","guid":{"rendered":"https:\/\/redsanstore.com\/urun\/red-battery-12-v-55-ah\/"},"modified":"2026-02-25T14:46:17","modified_gmt":"2026-02-25T11:46:17","slug":"red-battery-12-v-55-ah","status":"publish","type":"product","link":"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-55-ah\/","title":{"rendered":"Red Battery 12 v 55 ah"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n
Nominal voltage<\/td>\n12V (6 cells per unit)<\/td>\n<\/tr>\n
Rated capacity (10HR)<\/td>\n55Ah\/10.8V<\/td>\n<\/tr>\n
Dimensions<\/td>\nLength<\/td>\n230\u00b12mm (9.06inch)<\/td>\n<\/tr>\n
Width<\/td>\n138\u00b12mm (5.43 inches)<\/td>\n<\/tr>\n
Height<\/td>\n211\u00b12mm (8.31inch)<\/td>\n<\/tr>\n
Total height<\/td>\n215\u00b12mm (8.46inch)<\/td>\n<\/tr>\n
Approx. weight <\/td>\n17.30kg (38.10lbs)\u00b13%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Capacity (25\u00b0C)<\/td>\n10HR (10.8V)<\/td>\n55Ah<\/td>\n<\/tr>\n
3HR (10.8V)<\/td>\n41.1Ah<\/td>\n<\/tr>\n
1HR (10.5V)<\/td>\n30.5Ah<\/td>\n<\/tr>\n
Terminal type<\/td>\nT14<\/td>\n<\/tr>\n
Internal resistance (Fully charged, 25\u00b0C)<\/td>\nApprox. 6.5m\u03a9 <\/td>\n<\/tr>\n
Capacity affected by temperature (10HR)<\/td>\n40\u00b0C<\/td>\n102%<\/td>\n<\/tr>\n
25\u00b0C<\/td>\n

<\/p>\n

100%\n<\/td>\n<\/tr>\n
0\u00b0C<\/td>\n85%<\/td>\n<\/tr>\n
-15\u00b0C<\/td>\n65%<\/td>\n<\/tr>\n
Self-discharge (25\u00b0C)<\/td>\n3 months<\/td>\nRemaining capacity: 91%<\/td>\n<\/tr>\n
6 months<\/td>\nRemaining capacity: 82%<\/td>\n<\/tr>\n
12 months<\/td>\nRemaining capacity: 65%<\/td>\n<\/tr>\n
Nominal operating temperature<\/td>\n25\u00b0C\u00b1 3\u00b0C (77\u00b0F\u00b1 5\u00b0F)<\/td>\n<\/tr>\n
Operating temperature range<\/td>\nDischarge<\/td>\n– 15\u00b0C~ 50\u00b0C (5\u00b0F ~ 122\u00b0F)<\/td>\n<\/tr>\n
Charge<\/td>\n– 10\u00b0C~ 50\u00b0C (14\u00b0F ~ 122\u00b0F)<\/td>\n<\/tr>\n
Storage<\/td>\n– 20\u00b0C~ 50\u00b0C (-4\u00b0F ~ 122\u00b0F)<\/td>\n<\/tr>\n
Float charging voltage (25\u00b0C)<\/td>\n13.50 to 13.80V Temperature compensation: -18mV\/\u00b0C\/Block<\/td>\n<\/tr>\n
Cyclic charging voltage (25\u00b0C)<\/td>\n14.50 to 15.00V Temperature compensation: -30mV\/\u00b0C\/Block<\/td>\n<\/tr>\n
Maximum charging current<\/td>\n16.5A<\/td>\n<\/tr>\n
Maximum discharge current<\/td>\n550A (5 sec.)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Red Battery 12V 55Ah Maintenance-Free Dry Cell Battery<\/h2>\n

Red Battery 12V 55Ah battery is a maintenance-free dry-type battery featuring VRLA (Valve Regulated Lead Acid) technology, designed for systems with high energy requirements. With a nominal voltage of 12 volts and a capacity of 55Ah, this model provides reliable and long-lasting power for uninterruptible power supplies (UPS), solar energy systems, telecommunications infrastructure, security systems, and industrial applications. <\/p>\n

Thanks to its high capacity, it provides long-term energy support and delivers stable performance during sudden load changes. Its leak-proof construction, low internal resistance and strong discharge characteristics ensure efficient results in both standby (backup power) and cyclic (charge-discharge) applications. <\/p>\n

Technical Specifications<\/strong><\/h3>\n
    \n
  • Nominal Voltage: 12V (6 cells)<\/li>\n
  • Nominal Capacity (20HR): 55Ah<\/li>\n
  • Terminal Type: Heavy-duty service type screw terminal<\/li>\n
  • Internal Resistance (25\u00b0C, fully charged): Low m\u03a9 value<\/li>\n
  • Maximum Charging Current: High current supported<\/li>\n
  • High Instantaneous Discharge Capacity<\/li>\n
  • Maintenance-free and closed system design<\/li>\n<\/ul>\n

    Charging Features<\/strong><\/h3>\n
      \n
    • Float Charge Voltage (25\u00b0C): 13.50 \u2013 13.80V<\/li>\n
    • Cyclic Charge Voltage (25\u00b0C): 14.40 \u2013 15.00V<\/li>\n
    • Temperature Compensation: Automatic adjustment<\/li>\n<\/ul>\n

      The optimum charging voltage range extends the life of the battery plates and minimises performance loss. It provides balanced charging in long-term connected systems. <\/p>\n

      Temperature Performance<\/strong><\/h3>\n
        \n
      • Nominal Operating Temperature: 25\u00b0C \u00b13\u00b0C<\/li>\n
      • Discharge Range: -15\u00b0C to +50\u00b0C<\/li>\n
      • Charging Range: -10\u00b0C to +50\u00b0C<\/li>\n
      • Storage Range: -20\u00b0C to +50\u00b0C<\/li>\n<\/ul>\n

        Thanks to its wide temperature tolerance, it delivers stable performance even in harsh environmental conditions.<\/p>\n

        Low Self-Discharge<\/strong><\/h3>\n

        The Red Battery 12V 55Ah model has a low self-discharge rate. Capacity loss during long-term storage is minimal, and it can be used safely in emergency systems. <\/p>\n

        Areas of Use<\/strong><\/h3>\n
          \n
        • UPS (Uninterruptible Power Supplies)<\/li>\n
        • Solar energy systems<\/li>\n
        • Telecommunications equipment<\/li>\n
        • Fire alarm and security systems<\/li>\n
        • Automation and control panels<\/li>\n
        • Medical devices<\/li>\n
        • Electric vehicle and mobile system applications<\/li>\n
        • Caravan and marine systems<\/li>\n<\/ul>\n

          Key Benefits<\/strong><\/h3>\n
            \n
          • Long-term energy support with high capacity<\/li>\n
          • Maintenance-free, leak-proof and secure design<\/li>\n
          • High efficiency with low internal resistance<\/li>\n
          • Long service life<\/li>\n
          • Wide range of applications<\/li>\n
          • Durable and robust body construction<\/li>\n<\/ul>\n

            The Red Battery 12V 55Ah battery is a powerful and reliable alternative for professional energy solutions. It is an ideal choice for users seeking high performance, long life and stable operation. <\/p>\n","protected":false},"excerpt":{"rendered":"

            Nominal voltage 12V (6 cells per unit) Rated capacity (10HR) 55Ah\/10.8V Dimensions Length 230\u00b12mm (9.06inch) Width 138\u00b12mm (5.43 inches) Height<\/p>\n","protected":false},"featured_media":85157,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[460],"product_tag":[],"class_list":{"0":"post-85353","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-dry-batteries","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"\nRed Battery 12 v 55 ah - Redsan Store<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-55-ah\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Red Battery 12 v 55 ah\" \/>\n<meta property=\"og:description\" content=\"Nominal voltage 12V (6 cells per unit) Rated capacity (10HR) 55Ah\/10.8V Dimensions Length 230\u00b12mm (9.06inch) Width 138\u00b12mm (5.43 inches) Height\" \/>\n<meta property=\"og:url\" content=\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-55-ah\/\" \/>\n<meta property=\"og:site_name\" content=\"Redsan Store\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/redsanelektronik\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T11:46:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/redsanstore.com\/wp-content\/uploads\/2022\/09\/55-ah.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1440\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-55-ah\/\",\"url\":\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-55-ah\/\",\"name\":\"Red Battery 12 v 55 ah - 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