{"product_id":"universal-usb-single-slot-charger-18650-26650-14500-lithium-battery","title":"Universal USB Charger for 18650 26650 14500 Lithium Batteries","description":"\n\u003ch2\u003eUniversal USB Single Slot Lithium Battery Charger\u003c\/h2\u003e\n\u003cp\u003eKeep your rechargeable lithium batteries topped up and ready to go with this compact, intelligent single-slot USB charger from Fanmuran. Compatible with a wide range of cylindrical lithium-ion and Ni-MH battery sizes, it's the perfect everyday charging solution for flashlights, vapes, radios, remote controls, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Supports 3.7–4.2V lithium batteries including 18650, 16650, 14500, 10440, 26650, and other standard cylindrical cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Status Indicator:\u003c\/strong\u003e Red light = charging in progress; Green light = fully charged — no guesswork needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Trickle Mode:\u003c\/strong\u003e Automatically switches to low-current trickle charging when the battery is full, helping to extend overall battery lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal USB Input:\u003c\/strong\u003e Charges via any standard USB port — compatible with computers, power banks, wall adapters, and phone chargers (DC 5V \/ 1A–2A).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart IC Protection:\u003c\/strong\u003e Built-in intelligent IC chip provides short circuit protection and reverse polarity protection for safe, worry-free charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Build:\u003c\/strong\u003e Made from flame-retardant, high-temperature-resistant ABS material for added durability and safety during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpring-Loaded Compartment:\u003c\/strong\u003e High-elasticity battery bay firmly holds various battery lengths in place for a secure connection every time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4.02 × 0.87 × 1.06 in (10.2 × 2.2 × 2.7 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e23.62 in \/ 60 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eDC 5V \/ 1A–2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCharging Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eApprox. 2–3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Types Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e3.7–4.2V Li-ion \/ Ni-MH (18650, 26650, 16650, 14500, 10440 and similar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Universal Lithium Battery USB Charger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China. Shipped safely in protective bubble bag packaging — no retail box included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please allow ±1–2 cm variance due to manual measurement. Actual color may vary slightly from screen to screen due to monitor settings.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-32-inch-amoled-smart-watch-bluetooth-call-fitness-tracker-ios-android\"\u003e1.32\" AMOLED Smart Watch – Bluetooth Call, Fitness \u0026amp; Health Tracker\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general battery safety guidelines, visit the U.S. Consumer Product Safety Commission – Battery Safety.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_charger\" target=\"_blank\" rel=\"noopener\"\u003eBattery charger\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery sizes is this USB lithium battery charger compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This charger supports most standard cylindrical 3.7–4.2V lithium-ion batteries, including 18650, 26650, 16650, 14500, and 10440 cells. The spring-loaded bay accommodates a range of lengths and diameters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What USB power source do I need to use this charger?\u003c\/h4\u003e\n\u003cp\u003eA: The charger accepts a standard DC 5V \/ 1A–2A USB input, making it compatible with most wall adapters, computer USB ports, and power banks. A USB power adapter is not included but any standard 5V USB source will work.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I know when my battery is fully charged?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in LED indicator makes it easy — a red light shows the battery is actively charging, and the light turns green once the battery is fully charged. The charger then automatically switches to trickle mode to maintain battery health.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this charger have any safety protections?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The charger features a smart IC control system with built-in short circuit protection and reverse polarity protection. The ABS housing is also made from flame-retardant, high-temperature-resistant material for added peace of mind.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery sizes is this USB lithium battery charger compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger supports most standard cylindrical 3.7–4.2V lithium-ion batteries, including 18650, 26650, 16650, 14500, and 10440 cells. The spring-loaded bay accommodates a range of lengths and diameters.\"}}, {\"@type\": \"Question\", \"name\": \"What USB power source do I need to use this charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The charger accepts a standard DC 5V \/ 1A–2A USB input, making it compatible with most wall adapters, computer USB ports, and power banks. A USB power adapter is not included but any standard 5V USB source will work.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know when my battery is fully charged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in LED indicator makes it easy — a red light shows the battery is actively charging, and the light turns green once the battery is fully charged. The charger then automatically switches to trickle mode to maintain battery health.\"}}, {\"@type\": \"Question\", \"name\": \"Does this charger have any safety protections?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The charger features a smart IC control system with built-in short circuit protection and reverse polarity protection. The ABS housing is also made from flame-retardant, high-temperature-resistant material for added peace of mind.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Chargers \u0026 Cables\", \"item\": \"https:\/\/oasis-select.com\/collections\/chargers-cables\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Universal USB Charger for 18650 26650 14500 Lithium Batteries\", \"item\": \"https:\/\/oasis-select.com\/products\/universal-usb-single-slot-charger-18650-26650-14500-lithium-battery\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Default Title","offer_id":47755121557609,"sku":"\u003cnone\u003e","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S69fef666300346f3acfefc5377d85d61C.webp?v=1783266952","url":"https:\/\/oasis-select.com\/products\/universal-usb-single-slot-charger-18650-26650-14500-lithium-battery","provider":"Oasis Select","version":"1.0","type":"link"}