{"product_id":"baintech-bt-36v-ac-10a-20a-variable-lithium-battery-charger","title":"Baintech BT-36V-AC-10A\/20A Variable Output Lithium Battery Charger – 36V System","description":"\u003ch2\u003e\u003cstrong\u003eBaintech BT-36V-AC-10A\/20A delivers adjustable charging power for 36V lithium battery systems across marine, industrial and off-grid applications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe variable 10A-20A output allows operators to select charging speed based on battery capacity, time constraints and available AC supply capacity. This flexibility prevents overloading smaller generators while maximizing charge speed when mains power is available. Engineered specifically for lithium chemistry (LiFePO4 and LiMn2O4), the charger delivers precise CC\/CV charging profiles that extend battery lifespan and prevent the overcharge damage caused by generic lead-acid chargers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eDesigned for professional installations where one charger must handle different battery banks or charging scenarios. Workshop environments can charge smaller 36V tool batteries at 10A or bulk charge larger systems at 20A without investing in multiple dedicated chargers. The compact 330x150x75mm enclosure fits battery compartments, service vehicle shelving and marine electrical panels where space is limited.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eRated output voltage: 36V DC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eVariable output current: 10A-20A (adjustable)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMaximum output power: 720W (at 20A setting)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eInput voltage: 240V AC (Australian mains)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eBattery chemistry: LiFePO4 and LiMn2O4 lithium batteries\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCharging profile: CC\/CV (Constant Current\/Constant Voltage)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eDimensions: 330mm (L) x 150mm (W) x 75mm (H)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eVariable Output Control\u003c\/strong\u003e: Adjustable 10A-20A charging current adapts to different battery capacities and charging scenarios. Use 10A for smaller battery banks or when connected to limited generator capacity, then switch to 20A for rapid bulk charging from mains power.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eLithium-Optimized Charging\u003c\/strong\u003e: Delivers precise CC\/CV profiles engineered for LiFePO4 and LiMn2O4 chemistry, eliminating the float charge stage that degrades lithium cells. Prevents overcharge damage and thermal runaway risks associated with using lead-acid chargers on lithium batteries.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eGenerator-Friendly Operation\u003c\/strong\u003e: Lower 10A setting allows charging from portable generators with limited output capacity (1200-1500W range) without overloading. Critical for remote work sites and off-grid touring where generator capacity restricts accessory loads.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCompact Professional Enclosure\u003c\/strong\u003e: 330x150x75mm dimensions fit standard battery compartments, marine electrical panels and workshop shelving. Significantly smaller than multiple fixed-output chargers while delivering equivalent functionality through variable output.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWorkshop Versatility\u003c\/strong\u003e: Single charger handles different 36V lithium battery systems in trade and service environments. Eliminates inventory of multiple fixed-output chargers and simplifies charging infrastructure across mixed battery fleets.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMaximum Power Delivery\u003c\/strong\u003e: 720W output at 20A setting provides rapid charging for larger 36V systems (200Ah+) when time constraints demand fast turnaround. Reduces downtime for commercial equipment and fleet vehicles relying on 36V lithium power.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eModel: BT-36V-AC-10A\/20A\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eRated output voltage: 36V DC\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eVariable output current: 10A-20A (user-adjustable)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMaximum output power: 720W (at 20A)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMinimum output power: 360W (at 10A)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eInput voltage: 240V AC (50Hz Australian mains)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eBattery chemistry compatibility: LiFePO4, LiMn2O4\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCharging method: CC\/CV (Constant Current\/Constant Voltage)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCC cutoff voltage (LiFePO4): 43.2V (typical for 36V systems)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eFloat charging: None (lithium-optimized termination)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePhysical dimensions: 330mm x 150mm x 75mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eCompatible With \/ Goes Well With\u003c\/h3\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e36V LiFePO4 battery systems (50Ah-300Ah typical range)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e36V LiMn2O4 lithium battery banks\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eWorkshop and trade 36V tool battery charging stations\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eIndustrial equipment with 36V lithium power supplies\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eElectric vehicle 36V charging systems (golf carts, material handling)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eOff-grid solar battery storage (36V lithium)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMarine 36V lithium house bank systems (dry installation locations)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eService vehicle and fleet 36V battery charging infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCaution\u003c\/strong\u003e: Verify your battery system voltage matches 36V nominal before connection. This charger is not compatible with 12V, 24V or 48V systems.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eHow do I select between 10A and 20A output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe adjustment method is not specified in the supplied documentation. Contact F.A.E. for operational instructions on the variable output control mechanism (rotary dial, switch, or digital interface).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhat size battery bank works best with each setting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eUse 10A for 36V batteries up to 100Ah (approximately 10-hour charge from empty). Use 20A for 100-300Ah banks where faster charging is needed. Larger banks benefit from 20A but will still require extended charge times.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eCan this run from a generator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eYes, at 10A setting the charger draws approximately 400-450W, suitable for 1500W+ portable generators. At 20A, expect 800-850W draw requiring 2000W+ generator capacity with headroom for surge.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eIs this suitable for marine installations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe charger includes standard electrical protection, but no waterproof rating is specified. For marine installations, mount in dry locations away from bilge water and spray. Consider the BT-36V-Waterproof model for exposed marine environments.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDoes this work with 12V or 24V lithium batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eNo, this charger is engineered specifically for 36V nominal systems. Using it on 12V or 24V batteries will result in severe overcharge damage. Verify your battery system voltage before connection.\u003c\/p\u003e","brand":"BAINTECH","offers":[{"title":"Default Title","offer_id":43867078262877,"sku":"BT36VAC10A20A","price":424.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9528\/9437\/files\/BT-36V-AC-10A20A.12.png?v=1764900219","url":"https:\/\/frankiesautoelectrics.com.au\/products\/baintech-bt-36v-ac-10a-20a-variable-lithium-battery-charger","provider":"Frankies Auto Electrics","version":"1.0","type":"link"}