{"id":85357,"date":"2022-09-27T16:14:47","date_gmt":"2022-09-27T13:14:47","guid":{"rendered":"https:\/\/redsanstore.com\/urun\/red-battery-12-v-40-ah\/"},"modified":"2026-02-25T15:09:50","modified_gmt":"2026-02-25T12:09:50","slug":"red-battery-12-v-40-ah","status":"publish","type":"product","link":"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-40-ah\/","title":{"rendered":"Red Battery 12 v 40 ah"},"content":{"rendered":"\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>\n40Ah<\/td>\n<\/tr>\n
3HR (10.8V)<\/td>\n30Ah<\/td>\n<\/tr>\n
1HR (10.5V)<\/td>\n22Ah<\/td>\n<\/tr>\n
Terminal type<\/td>\nT14<\/td>\n<\/tr>\n
Internal resistance (Fully charged, 25\u00b0C)<\/td>\nApprox. 9m\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>\n12A<\/td>\n<\/tr>\n
Maximum discharge current<\/td>\n400A (5 sec.)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\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>\n40Ah\/10.8V<\/td>\n<\/tr>\n
Dimensions<\/td>\nLength<\/td>\n197\u00b12mm (7.76inch)<\/td>\n<\/tr>\n
Width<\/td>\n165\u00b12mm (6.50 inches)<\/td>\n<\/tr>\n
Height<\/td>\n170\u00b12mm (6.69inch)<\/td>\n<\/tr>\n
Total height<\/td>\n170\u00b12mm (6.69inch)<\/td>\n<\/tr>\n
Approx. weight <\/td>\n12.50kg (27.60lbs)\u00b13%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Red Battery 12V 40Ah Maintenance-Free Dry Cell Battery<\/h2>\n

The Red Battery 12V 40Ah battery is a maintenance-free dry-type battery featuring VRLA (Valve Regulated Lead Acid) technology, developed for professional applications requiring high capacity. Offering a nominal voltage of 12 volts and a capacity of 40Ah, this model provides reliable power for UPS systems, solar energy solutions, telecommunications infrastructure, emergency systems, and industrial power applications. <\/p>\n

With a low internal resistance of approximately 9 m\u03a9, it delivers stable performance in loads requiring high current. It provides powerful support for sudden current demands with a maximum discharge capacity of 400A for 5 seconds. Its robust construction and leak-proof design ensure safe, long-lasting and stable operating performance. <\/p>\n

Technical Specifications<\/strong><\/h3>\n
    \n
  • Nominal Voltage: 12V (6 cells)<\/li>\n
  • Capacity (10HR \u2013 10.8V): 40Ah<\/li>\n
  • Capacity (3HR \u2013 10.8V): 30Ah<\/li>\n
  • Capacity (1HR \u2013 10.5V): 22Ah<\/li>\n
  • Terminal Types: T14<\/li>\n
  • Internal Resistance (25\u00b0C, fully charged): Approximately 9 m\u03a9<\/li>\n
  • Maximum Charging Current: 12A<\/li>\n
  • Maximum Discharge Current: 400A (5 seconds)<\/li>\n
  • Approximate Weight: 12.50 kg \u00b13%<\/li>\n<\/ul>\n

    Dimensions<\/strong><\/h3>\n
      \n
    • Length: 197 \u00b12 mm<\/li>\n
    • Width: 165 \u00b12 mm<\/li>\n
    • Height: 170 \u00b12 mm<\/li>\n
    • Total Height: 170 \u00b12 mm<\/li>\n<\/ul>\n

      Temperature Performance<\/strong><\/h3>\n

      The Red Battery 12V 40Ah battery is designed to deliver reliable performance in different environmental conditions.<\/p>\n

        \n
      • Capacity at 40\u00b0C: 102%<\/li>\n
      • Capacity at 25\u00b0C: 100%<\/li>\n
      • Capacity at 0\u00b0C: 85%<\/li>\n
      • Capacity at -15\u00b0C: 65%<\/li>\n<\/ul>\n

        The nominal operating temperature is 25\u00b0C \u00b13\u00b0C. The discharge operating range is between -15\u00b0C and +50\u00b0C, the charge range is between -10\u00b0C and +50\u00b0C, and the storage range is between -20\u00b0C and +50\u00b0C. <\/p>\n

        Charging Features<\/strong><\/h3>\n
          \n
        • Float Charge Voltage (25\u00b0C): 13.50 \u2013 13.80V<\/li>\n
        • Temperature compensation: -18mV\/\u00b0C\/Block<\/li>\n
        • Cyclic Charge Voltage (25\u00b0C): 14.50 \u2013 15.00V<\/li>\n
        • Temperature compensation: -30mV\/\u00b0C\/Block<\/li>\n<\/ul>\n

          Thanks to advanced charging parameters, it provides maximum efficiency in both continuously connected systems (float use) and applications requiring regular discharge-charge cycles.<\/p>\n

          Low Self-Discharge<\/strong><\/h3>\n
            \n
          • Remaining capacity after 3 months: 91%<\/li>\n
          • 6 months later remaining capacity: 82%<\/li>\n
          • 12 months later remaining capacity: 65%<\/li>\n<\/ul>\n

            Thanks to its low self-discharge rate, performance loss during long-term storage is minimal. This feature makes it suitable for use in backup power systems. <\/p>\n

            Areas of Use<\/strong><\/h3>\n
              \n
            • UPS (Uninterruptible Power Supplies)<\/li>\n
            • Solar energy systems<\/li>\n
            • Telecommunications infrastructure<\/li>\n
            • Emergency and fire alarm systems<\/li>\n
            • Industrial control panels<\/li>\n
            • Automation systems<\/li>\n
            • Medical devices<\/li>\n
            • Security and camera systems<\/li>\n<\/ul>\n

              Key Benefits<\/strong><\/h3>\n
                \n
              • Maintenance-free and leak-proof VRLA design<\/li>\n
              • High surge discharge capacity<\/li>\n
              • Low internal resistance with strong performance<\/li>\n
              • Long service life<\/li>\n
              • Stable operation over a wide temperature range<\/li>\n
              • Industrial-grade robust body construction<\/li>\n<\/ul>\n

                The Red Battery 12V 40Ah battery offers a professional solution for systems requiring high capacity and reliable power. It is the ideal choice for users seeking long-lasting, powerful and stable performance. <\/p>\n","protected":false},"excerpt":{"rendered":"

                Capacity (25\u00b0C) 10HR (10.8V) 40Ah 3HR (10.8V) 30Ah 1HR (10.5V) 22Ah Terminal type T14 Internal resistance (Fully charged, 25\u00b0C) Approx.<\/p>\n","protected":false},"featured_media":85149,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[460],"product_tag":[],"class_list":{"0":"post-85357","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 40 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-40-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 40 ah\" \/>\n<meta property=\"og:description\" content=\"Capacity (25\u00b0C) 10HR (10.8V) 40Ah 3HR (10.8V) 30Ah 1HR (10.5V) 22Ah Terminal type T14 Internal resistance (Fully charged, 25\u00b0C) Approx.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-40-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=\"2026-02-25T12:09:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/redsanstore.com\/wp-content\/uploads\/2022\/09\/40-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=\"3 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-40-ah\/\",\"url\":\"https:\/\/redsanstore.com\/en\/urun\/red-battery-12-v-40-ah\/\",\"name\":\"Red Battery 12 v 40 ah - 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