{"product_id":"tenhutt-krc-840-03u-4-0a-rapid-charger-for-40v-ko-balt-batteries","title":"TenHutt KRC 840-03U 4.0A Rapid Charger for 40V Ko-balt Batteries","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe TenHutt KRC 840-03U is a compact 4.0A rapid charger designed to pair with Ko-balt 40V batteries. It draws power from a standard wall outlet and fits neatly into busy workspaces or garage setups, delivering reliable charging for a range of tools.\u003c\/p\u003e\u003ch2\u003eFast, predictable charging\u003c\/h2\u003e\u003cp\u003eWith an output of 42V max and up to 4A, this charger moves compatible packs toward full use quickly. Approximate times include 2.5Ah in about 37 minutes, 4.0Ah in 60 minutes, 5.0Ah in 75 minutes, and 6.0Ah in 90 minutes. Real-world times vary with battery age and temperature.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4A maximum output for faster top-ups\u003c\/li\u003e\n\u003cli\u003eUniversal input 100-240V, 50-60Hz for global use\u003c\/li\u003e\n\u003cli\u003e44-inch cord length adds flexibility on the workbench\u003c\/li\u003e\n\u003cli\u003eUS standard plug enables straightforward setup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility you can count on\u003c\/h2\u003e\u003cp\u003eThe charger is designed for Ko-balt 40V systems and works with a wide range of batteries and regulators, including KB and KRC series models. Expect smooth compatibility with KB 240-03, KB 640-03, KB 240-06, KB 640-06, KB 245-06, KRC40-06, and related KRC chargers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBroad support for Ko-balt 40V packs\u003c\/li\u003e\n\u003cli\u003eSeamless use with existing 40V charging tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSafety, durability, and smart features\u003c\/h2\u003e\u003cp\u003eConstructed from a tough ABS+PC blend, it includes smart protection to guard against overvoltage, overcurrent, overheating, and short circuits. The LED indicators provide quick, at-a-glance status so you can plan your next move with confidence.\u003c\/p\u003e\u003ch2\u003eClear status indicators\u003c\/h2\u003e\u003cp\u003eLEDs show four states: Power On (steady green), Defective (flashing red), Charging (flashing green), and Charged (steady green). The visual cues help you monitor progress without opening the case.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasy-to-read indicators for charging stages\u003c\/li\u003e\n\u003cli\u003eLow-maintenance, simple to monitor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eThermal design for long-term performance\u003c\/h2\u003e\u003cp\u003eAn efficient internal cooling channel design promotes airflow, reducing heat buildup during longer charging sessions and supporting consistent performance across cycles.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the TenHutt KRC 840-03U compatible with Ko-balt 40V batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is designed to work with Ko-balt 40V batteries and compatible KRC chargers across KB and KRC lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What charging times can I expect for common battery sizes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Estimated times: 2.5Ah about 37 minutes; 4.0Ah about 60 minutes; 5.0Ah about 75 minutes; 6.0Ah about 90 minutes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TenHutt","offers":[{"title":"Default Title","offer_id":53082586775663,"sku":"B0FSZNRWDY","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/tenhutt-krc-840-03u-front-view-compact-charger.jpg?v=1778602562","url":"https:\/\/taskholt.com\/products\/tenhutt-krc-840-03u-4-0a-rapid-charger-for-40v-ko-balt-batteries","provider":"TaskHolt","version":"1.0","type":"link"}