{"product_id":"universal-dual-slot-battery-charger-18650-18700-110v-220v","title":"Universal Dual Slot Battery Charger – 18650 18700 110V 220V","description":"\u003cp\u003eKeep your rechargeable batteries topped up and ready to go with the \u003cstrong\u003eUniversal Dual Slot Battery Charger\u003c\/strong\u003e, compatible with 18650, 18700, and a wide range of lithium-ion and nickel-metal hydride (NiMH) battery types. Whether you're powering flashlights, vaporizers, cameras, or other high-drain devices, this compact charger delivers reliable, intelligent charging every time.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love This Battery Charger\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Independent Slots:\u003c\/strong\u003e Charge two batteries simultaneously, with each slot operating independently — so you never have to wait for one battery to finish before the other starts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Battery Detection:\u003c\/strong\u003e Automatically identifies lithium-ion and nickel-metal hydride (NiMH) batteries and applies the correct charging method for each — no manual configuration needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Works on both 110V and 220V power supplies, making it ideal for home use and international travel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Charging Protection:\u003c\/strong\u003e Built-in safeguards guard against overcharge, over-discharge, and short circuits, helping to extend the overall life of your batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Lightweight yet sturdy build designed for everyday convenience and long-lasting use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Convenient:\u003c\/strong\u003e Slim, travel-friendly profile that slips easily into a bag or drawer when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Battery Types\u003c\/h2\u003e\n\u003cp\u003eThis charger is designed to work with a broad range of cylindrical rechargeable batteries, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e18650 lithium-ion batteries\u003c\/li\u003e\n  \u003cli\u003e18700 lithium-ion batteries\u003c\/li\u003e\n  \u003cli\u003eOther standard cylindrical lithium-ion and NiMH battery formats (verify dimensions before use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlots:\u003c\/strong\u003e 2 (independent operation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Battery Types:\u003c\/strong\u003e Li-ion, NiMH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC 110V \/ 220V (universal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Overcharge, over-discharge, short circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on safe battery charging practices and rechargeable battery standards, visit the U.S. Consumer Product Safety Commission – Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery sizes does this dual slot battery charger support?\u003c\/h4\u003e\n\u003cp\u003eA: This universal charger is compatible with 18650 and 18700 lithium-ion batteries, as well as other standard cylindrical lithium-ion and nickel-metal hydride (NiMH) rechargeable batteries. Always check your battery's dimensions to ensure a proper fit before charging.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I charge two different batteries at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Each of the two charging slots operates completely independently. This means you can charge two batteries simultaneously — even if they are different sizes or types — without any interference between slots. It greatly improves convenience and saves time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this charger work in different countries?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The charger supports both 110V and 220V AC input, making it compatible with power outlets in most countries around the world. It's a great companion for frequent travelers who rely on rechargeable batteries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What safety protections are built into this charger?\u003c\/h4\u003e\n\u003cp\u003eA: This charger features intelligent multi-layer protection, including safeguards against overcharging, over-discharging, and short circuits. These protections work automatically to keep your batteries in optimal condition and extend their overall lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the charger automatically detect the battery type?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The smart detection system automatically identifies whether a battery is lithium-ion or NiMH and adjusts the charging method accordingly — so you get the right charge every time without any manual settings.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery sizes does this dual slot battery charger support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This universal charger is compatible with 18650 and 18700 lithium-ion batteries, as well as other standard cylindrical lithium-ion and nickel-metal hydride (NiMH) rechargeable batteries. Always check your battery's dimensions to ensure a proper fit before charging.\"}}, {\"@type\": \"Question\", \"name\": \"Can I charge two different batteries at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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