{"product_id":"yhchkj-smart-battery-charger-35a-12v-24v-pulse-repair-lcd-maintenance-mode","title":"YHCHKJ Smart Battery Charger 35A 12V\/24V — Pulse Repair \u0026 LCD Maintenance Mode","description":"\u003cp\u003e\u003cstrong\u003eYHCHKJ 35A Smart Battery Charger is a compact, multi-mode charger and maintainer for 12V\/24V Lithium, LiFePO4, AGM and lead-acid batteries with pulse repair and adjustable charging currents up to 35A.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis intelligent charger balances fast charging, long-term maintenance and safety protections in one unit. Built-in temperature compensation, reverse-polarity protection and a clear LCD make it suitable for workshop use, seasonal storage or on-board charging for boats and RVs. It is designed to revive weakened batteries, support deep-cycle applications and maintain stored batteries without overcharging.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will this charger bring my battery back to usable charge?\u003c\/h3\u003e\n\u003cp\u003eThe unit offers high-current options to shorten charge time for larger battery banks: up to 35A for 12V systems and 18A for 24V systems. Selectable output levels let you trade speed for battery longevity depending on need.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12V selectable currents: 10A, 20A, 35A for faster replenishment.\u003c\/li\u003e\n  \u003cli\u003e24V selectable currents: 5A, 10A, 18A for two-battery systems.\u003c\/li\u003e\n  \u003cli\u003eSmart voltage regulation to reduce risk of overcharge during high-current cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan it safely maintain batteries through off-seasons or long storage?\u003c\/h3\u003e\n\u003cp\u003eYes — the charger includes a trickle\/maintenance mode that tops off batteries without continuously stressing them. Temperature compensation and multiple protections make it suitable for winter storage and long-term maintenance tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintenance (trickle) mode prevents overcharging during long storage periods.\u003c\/li\u003e\n  \u003cli\u003eTemperature compensation adjusts charging behavior in hot or cold conditions.\u003c\/li\u003e\n  \u003cli\u003eProtections: reverse connection, short-circuit, overcurrent and overheating safeguards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with different battery chemistries and damaged batteries?\u003c\/h3\u003e\n\u003cp\u003eThe charger is compatible with lithium-based cells (including LiFePO4), traditional lead-acid types like AGM and gel, and deep-cycle marine or RV batteries. A pulse-repair function attempts to recover sulfated lead-acid batteries, improving usability when possible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChemistry modes include Lithium\/LiFePO4, AGM, Gel and standard lead-acid.\u003c\/li\u003e\n  \u003cli\u003ePulse repair helps desulfate and restore degraded lead-acid batteries.\u003c\/li\u003e\n  \u003cli\u003eMinimum start voltage 2V — not intended as a jump starter for a completely dead vehicle battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I operate the charger and monitor progress?\u003c\/h3\u003e\n\u003cp\u003eOperation is straightforward: plug in, select battery type and the desired current, then start. The LCD displays charging voltage, current, percentage progress and internal temperature so you can monitor status at a glance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-button start streamlines charging setup for busy garages or marinas.\u003c\/li\u003e\n  \u003cli\u003eClear LCD shows charge stage, current, voltage and temperature readings.\u003c\/li\u003e\n  \u003cli\u003eIntegrated cooling and fire-retardant materials increase safety during long charges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The YHCHKJ 35A Smart Battery Charger suits DIY mechanics, boat owners, RV enthusiasts and anyone who stores seasonal vehicles or equipment. It’s aimed at people who need a flexible charger that can fast-charge large battery banks, keep batteries healthy over months of inactivity, and offer protections for mixed usage scenarios. Note: always confirm battery voltage before use and remember this unit does not function as a jump starter for starting engines.\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: Can this charger revive a deeply discharged lead-acid battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The pulse repair mode can help desulfate and restore some degraded lead-acid batteries, though it’s not guaranteed for severely damaged cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the YHCHKJ charger suitable for LiFePO4 batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It has specific modes and voltage curves designed for LiFePO4 and other lithium chemistries to avoid overcharging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YHCHKJ","offers":[{"title":"Default Title","offer_id":48080818962590,"sku":"B0G8B1P397","price":139.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yhchkj-front-panel-display.jpg?v=1785788896","url":"https:\/\/northtrailauto.ca\/products\/yhchkj-smart-battery-charger-35a-12v-24v-pulse-repair-lcd-maintenance-mode","provider":"North Trail Auto","version":"1.0","type":"link"}