{"id":6739,"date":"2025-12-13T12:29:22","date_gmt":"2025-12-13T12:29:22","guid":{"rendered":"https:\/\/trusttronics.com\/en\/product\/bms-3s-12-6v-40a-lithium-battery-protection-module\/"},"modified":"2025-12-13T12:29:22","modified_gmt":"2025-12-13T12:29:22","slug":"bms-3s-12-6v-40a-lithium-battery-protection-module","status":"publish","type":"product","link":"https:\/\/trusttronics.com\/en\/product\/bms-3s-12-6v-40a-lithium-battery-protection-module\/","title":{"rendered":"BMS 3S (12.6V \u2013 40A) Lithium Battery Protection Module"},"content":{"rendered":"<p style=\"margin-top:0px;margin-bottom:1rem;font-family:aktiv-grotesk,sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:-0.03px;text-transform:none;white-space:normal;text-align:left\">3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board for drill 40A current<\/p>\n<p style=\"margin-top:0px;margin-bottom:1rem;font-family:aktiv-grotesk,sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:-0.03px;text-transform:none;white-space:normal;text-align:left\"><strong style=\"font-weight: bolder\">Specification:<\/strong><\/p>\n<ul style=\"padding-left:2rem;margin-top:0px;margin-bottom:1rem;font-family:aktiv-grotesk,sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:-0.03px;text-transform:none;white-space:normal;text-align:left\">\n<li>Overvoltage range: 4.25 ~ 4.35v \u00b1 0.05v<\/li>\n<li style=\"margin-top:7px\">Over-discharge voltage range: 2.9 ~ 3.3v\u00b10.05v<\/li>\n<li style=\"margin-top:7px\">Maximum operating current: 0 ~ 40A<\/li>\n<li style=\"margin-top:7px\">Overcurrent protection current: 70 ~ 90A<\/li>\n<li style=\"margin-top:7px\">Quiescent current: less than 24uA<\/li>\n<li style=\"margin-top:7px\">Working temperature: -40 +85 C<\/li>\n<li style=\"margin-top:7px\">Short circuit protection: Yes, delayed self-recovery<\/li>\n<li style=\"margin-top:7px\">Size: 60mm x 41mm x 1.2mm (LxWxH)<\/li>\n<\/ul>\n<p style=\"margin-top:0px;margin-bottom:1rem;font-family:aktiv-grotesk,sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:-0.03px;text-transform:none;white-space:normal;text-align:left\"><strong style=\"font-weight: bolder\">Notes:<\/strong><\/p>\n<ul style=\"padding-left:2rem;margin-top:0px;margin-bottom:1rem;font-family:aktiv-grotesk,sans-serif;font-size:16px;font-style:normal;font-weight:400;letter-spacing:-0.03px;text-transform:none;white-space:normal;text-align:left\">\n<li>Strictly according to the diagram wiring, Do not deliberately short circuit.<\/li>\n<li style=\"margin-top:7px\">After the wire is connected, it needs to charge the batteries first, then have output.<\/li>\n<li style=\"margin-top:7px\">When the battery is connected in series with 3 groups, please ensure that the voltage of each battery is the same. If not the same, please fill in each set of batteries and then use them.<\/li>\n<li style=\"margin-top:7px\">Do not mix the good battery and the battery.<\/li>\n<li style=\"margin-top:7px\">It will be better the capacity of the battery internal resistance is closer.+<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board for drill 40A current Specification: Overvoltage range: 4.25 ~ 4.35v \u00b1 0.05v Over-discharge voltage range: 2.9 ~ 3.3v\u00b10.05v Maximum operating current: 0 ~ 40A Overcurrent protection current: 70 ~ 90A Quiescent current: less than 24uA Working temperature: -40 +85 C Short circuit protection: Yes, delayed [&hellip;]<\/p>\n","protected":false},"featured_media":6738,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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3.3v\u00b10.05v Maximum operating current: 0 ~ 40A Overcurrent protection current: 70 ~ 90A Quiescent current: less than 24uA Working temperature: -40 +85 C Short circuit protection: Yes, delayed\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"google-site-verification\" content=\"ZiZTqIe2IMWzm8ppQbhIH7Ycl4-3SB2Z8To5adO3Wo8\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/trusttronics.com\/en\/product\/bms-3s-12-6v-40a-lithium-battery-protection-module\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"trust tronics  -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"BMS 3S (12.6V \u2013 40A) Lithium Battery Protection Module - trust tronics\" \/>\n\t\t<meta property=\"og:description\" content=\"3S 40A BMS 11.1V 12.6V 18650 lithium battery protection Board for 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