{"product_id":"18650-battery-charger-3a-1-bay-battery-charger-with-smart-lcd-display-fast-charge-for-rechargeable-batteries-li-ion-ni-mh-ni-cd-aaa-aa-a-sc1c-21700-26650-16340-18350-18700-rcr123","title":"XTAR VC4 Plus Smart Battery Charger 4-Bay | 3A Fast Charge for 3.6V\/3.7V Li-ion 18650 21700 \u0026 1.2V Ni-MH AA AAA","description":"\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe XTAR VC4 Plus is a flagship 4-slot multifunctional smart battery charger designed for both 3.6V\/3.7V Li-ion and 1.2V Ni-MH\/Ni-CD cylindrical batteries. Equipped with a high-contrast LCD screen, it delivers real-time charging data including capacity, current, internal resistance, and precise voltage. Powered by a 9V QC3.0 USB Type-C input, it supports a maximum 3A fast charge in single-slot mode. Beyond standard charging, the VC4 Plus offers professional maintenance features: 0V activation to revive over-discharged batteries, capacity testing to measure true battery health, and a storage mode that automatically charges or discharges batteries to their optimal long-term storage voltage (3.7V for Li-ion, 1.2V for Ni-MH). Smart temperature control and global safety certifications guarantee secure and reliable charging.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eAdvanced LCD Display: Simultaneously displays real-time charging capacity (mAh), current (mA), internal resistance (mΩ), and operational modes across all 4 slots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQC3.0 Fast Charging with Voltage Adaptability: Supports input voltage of 9V (QC3.0) for up to 3A single-slot charging; automatically adjusts power output for 2A dual-slot and 1A\/0.5A four-slot configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUltra-Precise Voltage Regulation: Provides highly accurate charging cutoff voltages of 4.20V ± 0.05V for Li-ion batteries and 1.45V ± 0.1V for Ni-MH\/Ni-CD batteries to prevent overcharging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eBroad Voltage Compatibility: Directly supports 3.6V\/3.7V lithium-ion cells (10440 to 32650) and 1.2V nickel-metal hydride\/nickel-cadmium cells (AAA, AA, A, SC, C).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eIntelligent Charging Algorithms: Employs TC-CC-CV (Trickle-Constant Current-Constant Voltage) for Li-ion and precise pulse charging with -ΔV and 0ΔV detection for Ni-MH, ensuring a full charge without damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eAdvanced Battery Care Modes: Includes 0V activation to rescue dead batteries; Capacity Test mode (charge-discharge-charge) to reveal true capacity; Storage mode for maintaining batteries at safe storage voltage to prolong lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eComprehensive Safety Certifications: Built-in temperature control, short-circuit protection, and overcurrent protection. Certified with RoHS, CE, and FCC, and covered by global insurance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Parameters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eBrand \u0026amp; Model: XTAR VC4 Plus\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eInput Power: QC3.0 USB Type-C (9V ⎓ 2A, 18W Max)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eVoltage Specifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging Cut-off Voltage: 4.20V ± 0.05V (Li-ion) \/ 1.45V ± 0.1V (Ni-MH)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCompatible Battery Voltage: 3.6V \/ 3.7V (Li-ion), 1.2V (Ni-MH\/Ni-CD)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eLong-term Storage Voltage: 3.7V (Li-ion), 1.2V (Ni-MH)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging Current Output: Single Slot 3A Max \/ Dual Slot 2A Max \/ Four Slot 1A or 0.5A Max (per slot)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging Cut-off Current: ≤120mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eOperating Temperature: 0 - 40°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eProduct Dimensions: L156 x W115.5 x H35 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSupported Battery Types: 3.6V\/3.7V Li-ion (IMR\/INR\/ICR), 1.2V Ni-MH\/Ni-CD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSupported Battery Sizes (Li-ion): 10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650, 32650 (Flat Top)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSupported Battery Sizes (Ni-MH): AAA, AA, A, SC, C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging high-drain 3.7V 18650\/21700 batteries for EDC flashlights and tactical lights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eProviding reliable 1.2V power sources for outdoor headlamps and camping lanterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eManaging power for remote control (RC) toys and drones.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDaily maintenance and charging for 1.2V Ni-MH AA\/AAA batteries used in digital cameras, wireless microphones, and game controllers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ1: What are the exact charging cutoff voltages for Li-ion and Ni-MH batteries?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The XTAR VC4 Plus is calibrated to a highly precise charging cutoff voltage of 4.20V ± 0.05V for 3.6V\/3.7V Li-ion batteries, and 1.45V ± 0.1V for 1.2V Ni-MH\/Ni-CD batteries to ensure maximum capacity without overcharging risks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ2: How do I achieve the maximum 3A charging speed?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: To achieve 3A fast charging, you must use a QC3.0 (9V\/2A) or higher power adapter, and charge only one battery in a single slot. The charger will automatically adjust the output voltage and current based on the battery type.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ3: What does the \"Storage Mode\" do regarding voltage?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Storage Mode intelligently charges or discharges the battery to its optimal long-term storage voltage (3.7V for Li-ion, 1.2V for Ni-MH). Maintaining batteries at these specific voltages significantly prevents capacity degradation during prolonged inactivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ4: What is the \"0V Activation\" feature?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Over-discharged batteries may drop to 0V and fail to charge in regular chargers. The VC4 Plus features 0V activation, which applies a safe low-voltage current to gently revive and awaken these dead cells, restoring them to a usable voltage level.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ5: Can I mix different voltage batteries (3.7V and 1.2V) in the slots?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Yes. The VC4 Plus features independent circuit control for each slot, allowing you to simultaneously charge a 3.7V Li-ion battery in one slot and a 1.2V Ni-MH battery in another without any electrical interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"andes-bundle-container\"\u003e\n\u003cdiv class=\"andes-bundle-item\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"XTAR","offers":[{"title":"Default Title","offer_id":51454129996022,"sku":"OAS221","price":35.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/3A-smart-lcd-charger-main_365ec6ea-76e0-487b-a438-4d8a454685fa.webp?v=1786965395","url":"https:\/\/oneandes.com\/products\/18650-battery-charger-3a-1-bay-battery-charger-with-smart-lcd-display-fast-charge-for-rechargeable-batteries-li-ion-ni-mh-ni-cd-aaa-aa-a-sc1c-21700-26650-16340-18350-18700-rcr123","provider":"OneAndes","version":"1.0","type":"link"}