{"product_id":"14500cy-3-8v-900mah-li-ion-flat-top-battery-2-pack-high-capacity-inr15-50-replacement-for-flashlights-diy-electronics","title":"14500CY 3.8V 900mAh Li-ion Flat Top Battery (2-Pack) - High Capacity INR15\/50 Replacement for Flashlights \u0026 DIY Electronics","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eUpgrade your devices with the premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFDK \/ Sony 14500CY 3.8V 900mAh Li-ion Flat Top Battery (2-Pack)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. This is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBare Flat Top Cell (No Solder Tabs)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Unlike standard 3.7V 14500 cells, this advanced INR15\/50 cylindrical cell delivers an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.8V nominal voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e and a massive \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e900mAh capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, providing superior energy density (3.42Wh) for devices that require extended runtime.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eWhether you are powering high-performance EDC flashlights, upgrading DIY electronics, or building custom battery packs, this Japanese-origin cell offers reliable, stable discharge and exceptional longevity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant Note:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThis is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBare Flat Top battery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. It \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003edoes NOT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e come with any pre-welded solder tabs. It is designed for use in standard flashlight battery compartments (spring-loaded) or for DIY spot-welding into custom battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e Voltage Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e This is a High-Voltage Li-ion cell (3.8V, fully charged to 4.35V). Please confirm that your device's driver circuit can handle a fully charged voltage of up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4.35V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e to avoid performance or overheating issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eHigh Capacity 900mAh \u0026amp; 3.8V Output: A significant upgrade over traditional 3.7V 680-750mAh cells, delivering 3.42Wh of total energy.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003ePremium Japanese Quality: Manufactured by FDK\/Sony (INR15\/50), ensuring low internal resistance, consistent voltage, and exceptional safety standards.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eStandard Flat Top Design: Bare cell (No Tabs), perfect for spring-loaded flashlight contacts or custom spot-welding projects.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eLong Cycle Life: Supports 500+ recharge cycles, making it an economical and eco-friendly power solution.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eConvenient 2-Pack: Always have a spare charged battery ready for your EDC gear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eParameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003cbr\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrand \/ Factory Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFDK \/ Sony (Japan)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e14500CY \/ INR15\/50\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSize \/ Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e14500 (AA Size equivalent, Li-ion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCapacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e900mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.8V (High Voltage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFully Charged Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4.35V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEnergy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.42Wh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTerminal Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFlat Top (Bare Cell - NO Solder Tabs)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eApprox. 14mm (Diameter) x 48mm (Height)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRechargeable Cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e500+ cycles\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003cbr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eHigh-Performance EDC Flashlights \u0026amp; Tactical Torches (check 4.35V compatibility)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eDIY Electronics \u0026amp; Prototyping (Arduino, ESP32)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eCustom Battery Pack Building (Spot welding required)\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eReplacement for older 3.7V 14500 flat-top cells\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eEmergency Outdoor Gear and Bike Lights\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFAQ:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Does this battery come with solder tabs?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No, this is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBare Flat Top\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e cell. It does not come with any solder tabs. It is designed for standard flashlight spring contacts or DIY spot-welding.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: What is the difference between this 3.8V battery and a standard 3.7V battery?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: A 3.8V battery (often called HV or High Voltage) reaches a maximum full charge of 4.35V, whereas standard 3.7V cells only reach 4.20V. This provides higher runtime, but ensure your device supports this voltage.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Can I use this in my normal 3.7V flashlight?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: In most LED flashlights, it works perfectly. However, if your flashlight gets very hot quickly, stop using it, as the driver might not be designed for 4.35V.\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eQ: Is this battery protected (with a built-in PCB)?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA: No. This is an unprotected bare cell. It relies on your device's built-in protection circuitry.\u003c\/span\u003e\u003c\/p\u003e","brand":"OneAndes","offers":[{"title":"Default Title","offer_id":51454226890998,"sku":"OAS1132","price":11.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/14500cy-3-8v-bare-flat-top-main_673f07c4-2def-4064-a128-dd5bed23b605.webp?v=1786968821","url":"https:\/\/oneandes.com\/products\/14500cy-3-8v-900mah-li-ion-flat-top-battery-2-pack-high-capacity-inr15-50-replacement-for-flashlights-diy-electronics","provider":"OneAndes","version":"1.0","type":"link"}