{"id":13872,"date":"2026-05-20T00:56:43","date_gmt":"2026-05-19T16:56:43","guid":{"rendered":"https:\/\/www.balderpower.com\/?post_type=product&#038;p=13872"},"modified":"2026-05-22T21:58:10","modified_gmt":"2026-05-22T13:58:10","slug":"58v-40ah-efoil-battery-pack-ip68-waterproof-underwater-hot-swap-factory-wholesale","status":"publish","type":"product","link":"https:\/\/www.balderpower.com\/ar\/58v-40ah-efoil-battery-pack-ip68-waterproof-underwater-hot-swap-factory-wholesale\/","title":{"rendered":"58.8V 40Ah Electric Hydrofoil Battery Pack \u2014 IP68 Waterproof Underwater Hot-Swap NCM Battery, Factory Direct OEM"},"content":{"rendered":"<p data-start=\"2730\" data-end=\"3094\">The Balder Power 58.8V 40Ah NCM lithium battery pack is purpose-built for the electric hydrofoil, underwater thruster, and marine e-scooter market segment where three operational requirements are non-negotiable: high-depth waterproofing, high-rate continuous discharge, and the ability to exchange the battery mid-session without removing the board from the water.<\/p>\n<p data-start=\"3096\" data-end=\"3640\">At 58.8V fully charged with a 40Ah capacity, this pack delivers approximately 2,352Wh of usable energy \u2014 enough to sustain a 6,000\u20138,000W lift motor through extended riding sessions while maintaining a continuous discharge rate of 110\u2013130A (2.75C). The 395 \u00d7 300 \u00d7 90 mm form factor and 12.5 kg weight were designed to fit the hull battery compartments used across the majority of production eFoil platforms without structural modification, allowing direct drop-in integration for board OEMs and retrofit deployment into existing rental fleets.<\/p>\n<p data-start=\"3642\" data-end=\"4486\">The IP68 waterproof rating is validated to 10\u201320 meters submersion depth \u2014 the defining technical differentiator in this product category. Where standard IP67 batteries are designed for momentary immersion, the Balder Power pack uses a multi-barrier sealing system that maintains integrity under sustained hydrostatic pressure at depth. This enables the pack&#8217;s headline operational feature: <strong data-start=\"4033\" data-end=\"4067\">underwater hot-swap capability<\/strong>, meaning a depleted pack can be replaced with a charged unit without surfacing the board, dramatically increasing daily session throughput for rental schools and resort operators. The enclosure uses Panasonic-process cell manufacturing standards internally, with Japanese-imported IC protection logic providing multi-level safeguards covering overcharge, over-discharge, over-temperature, and short-circuit conditions.<\/p>\n<p data-start=\"4488\" data-end=\"4875\">For procurement teams evaluating this battery for fleet supply, B2B distribution, or OEM board manufacturing, the RS485 communication port enables real-time state-of-charge and health telemetry integration with motor controllers and rider remotes. Custom configurations \u2014 including voltage, capacity, enclosure dimensions, and IP waterproof rating \u2014 are accepted with OEM\/ODM agreements.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"2054\" data-end=\"2207\">\n<p data-start=\"2056\" data-end=\"2207\"><strong data-start=\"2056\" data-end=\"2089\">Balder Power 58.8V \/ 40Ah NCM<\/strong> lithium battery pack engineered for electric hydrofoil boards, underwater thrusters, and e-scooter propulsion systems<\/p>\n<\/li>\n<li data-start=\"2208\" data-end=\"2333\">\n<p data-start=\"2210\" data-end=\"2333\"><strong data-start=\"2210\" data-end=\"2229\">IP68 waterproof<\/strong>, tested to 10\u201320m submersion depth; supports <strong data-start=\"2275\" data-end=\"2298\">underwater hot-swap<\/strong> battery exchange without surfacing<\/p>\n<\/li>\n<li data-start=\"2334\" data-end=\"2453\">\n<p data-start=\"2336\" data-end=\"2453\"><strong data-start=\"2336\" data-end=\"2369\">110\u2013130A continuous discharge<\/strong> (2.75C) \u2014 sustains 6,000\u20138,000W motor systems at full load; max charge current 0.5C<\/p>\n<\/li>\n<li data-start=\"2454\" data-end=\"2567\">\n<p data-start=\"2456\" data-end=\"2567\">RS485 BMS communication port; Panasonic-process cell manufacturing; Japanese-imported IC multi-level protection<\/p>\n<\/li>\n<li data-start=\"2568\" data-end=\"2702\">\n<p data-start=\"2570\" data-end=\"2702\"><strong data-start=\"2570\" data-end=\"2613\">UN38.3, CE, CB, ISO, CCC, PSE certified<\/strong> \u2014 factory direct wholesale, custom voltage \/ capacity \/ waterproof rating \/ OEM accepted<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":13870,"template":"","meta":{"_acf_changed":false,"nf_dc_page":"","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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[]},"product_brand":[],"product_cat":[2257],"product_tag":[2181,1246,2178,2182,1242,2179,890,2180],"class_list":{"0":"post-13872","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ip68-waterproof-battery-packs","7":"product_tag-58-8v-battery","8":"product_tag-efoil-battery","9":"product_tag-electric-hydrofoil-battery","10":"product_tag-hydrofoil-thruster-battery","11":"product_tag-ip68-waterproof-battery","12":"product_tag-ncm-battery-pack","13":"product_tag-oem-battery-manufacturer","14":"product_tag-underwater-hot-swap-battery","15":"desktop-align-left","16":"tablet-align-left","17":"mobile-align-left","18":"ast-product-gallery-layout-horizontal-slider","19":"ast-product-tabs-layout-horizontal","21":"first","22":"instock","23":"shipping-taxable","24":"purchasable","25":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product\/13872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product\/13872\/revisions"}],"predecessor-version":[{"id":14343,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product\/13872\/revisions\/14343"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/media\/13870"}],"wp:attachment":[{"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/media?parent=13872"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product_brand?post=13872"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product_cat?post=13872"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.balderpower.com\/ar\/wp-json\/wp\/v2\/product_tag?post=13872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}