{"product_id":"yonhan-12v-24v-adjustable-battery-charger-0-15a-smart-maintainer-with-pulse-repair-supply-mode","title":"YONHAN 12V\/24V Adjustable Battery Charger 0–15A — Smart Maintainer with Pulse Repair \u0026 Supply Mode","description":"\u003cp\u003e\u003cstrong\u003eYONHAN's 0–15A 12V\/24V adjustable battery charger is a smart all-in-one charger, maintainer and power supply designed to charge, revive and maintain most vehicle batteries safely.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you service cars, motorcycles, RVs or marine craft, this compact charger adapts current and charging modes to match battery size and chemistry. It combines adjustable output, a supply mode for deeply discharged batteries, pulse repair for sulfation mitigation, and a multi-stage maintenance routine so batteries stay ready without overcharging. The unit supports a broad list of chemistries and provides protections that make it suitable for workshop use or home garage storage.\u003c\/p\u003e\n\n\u003ch3\u003eHow does YONHAN handle different battery sizes and chemistries?\u003c\/h3\u003e\n\u003cp\u003eThe YONHAN charger provides selectable voltages (12V\/24V) and an adjustable current range from 0.5A up to 15A so you can match charge rate to battery capacity and vehicle type. It recognizes and supports common chemistries to ensure appropriate charging profiles for each battery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.5A for small batteries like motorcycles and powersports.\u003c\/li\u003e\n  \u003cli\u003e5–10A for typical passenger car batteries.\u003c\/li\u003e\n  \u003cli\u003eUp to 15A for large batteries in trucks, RVs and deep-cycle applications.\u003c\/li\u003e\n  \u003cli\u003eCompatible with LiFePO4, AGM, GEL, EFB, Wet, MF, STD and deep-cycle batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does SUPPLY mode do and when should I use it?\u003c\/h3\u003e\n\u003cp\u003eSUPPLY mode lets the unit act as a steady 12V DC power source when a battery is completely discharged or during diagnostics and battery swaps. Use it to power electronics while replacing batteries or to recover batteries that other chargers cannot detect.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecovers batteries discharged down to 0 volts in many cases.\u003c\/li\u003e\n  \u003cli\u003eProvides stable 12V power for vehicle diagnostics or accessory testing.\u003c\/li\u003e\n  \u003cli\u003eUseful during battery replacement to avoid losing stored settings or codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this charger revive older or sulfated batteries?\u003c\/h3\u003e\n\u003cp\u003eThe unit includes pulse repair technology that applies specialized pulses to help break down sulfation and restore some lost capacity in neglected batteries. While it can improve many aging batteries, results vary with the level of internal damage and age.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePulse repair targets sulfation buildup to improve charging acceptance.\u003c\/li\u003e\n  \u003cli\u003eMay enhance engine starts and delay the need for immediate replacement.\u003c\/li\u003e\n  \u003cli\u003eBest used as part of regular maintenance rather than a guaranteed cure for failing cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs YONHAN safe to leave connected for long-term maintenance?\u003c\/h3\u003e\n\u003cp\u003eYes — the charger doubles as a smart trickle charger and maintainer with a multi-stage program that prevents overcharge and compensates for temperature changes. Built-in protections reduce risk of reverse polarity, short circuits and overheating during extended use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-stage charging routine transitions from bulk to float\/maintenance.\u003c\/li\u003e\n  \u003cli\u003eReverse polarity and short-circuit protection for safe connections.\u003c\/li\u003e\n  \u003cli\u003eTemperature compensation to adjust charging under variable conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The YONHAN 0–15A adjustable charger is aimed at vehicle owners, small fleet operators, RV and boat enthusiasts, and garage technicians who need a single versatile unit for charging, diagnosing and maintaining multiple battery types. It’s particularly useful for those who want a charger that adapts to both tiny powersports batteries and larger deep-cycle or starter batteries while offering recovery and maintenance features that extend battery life and reliability.\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: Does this charger work on LiFePO4 batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the YONHAN charger supports LiFePO4 along with AGM, GEL, EFB, wet and other common chemistries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can it recover a completely dead battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It features a SUPPLY mode and recovery functions that can revive many deeply discharged batteries, though success depends on battery condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YONHAN","offers":[{"title":"Default Title","offer_id":67586939945145,"sku":"B0FF3VWSGZ","price":98.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/yonhan-front-panel.jpg?v=1790497537","url":"https:\/\/redleafauto.ca\/products\/yonhan-12v-24v-adjustable-battery-charger-0-15a-smart-maintainer-with-pulse-repair-supply-mode","provider":"Redleaf Auto","version":"1.0","type":"link"}