{"product_id":"rechargeable-18650-lithium-battery-3-7v-5000mah-36g-button-or-flat-top-18mm-x-65mm-for-high-drain-devices-and-diy-projects-with-pointed-and-flat-head-options","title":"Rechargeable 18650 Lithium Battery 3.7V 5000mAh 36g Button or Flat Top 18mm x 65mm for High Drain Devices and DIY Projects with Pointed and Flat Head Options","description":"\u003ch1\u003eRechargeable 18650 Lithium Battery 3.7V 5000mAh for Torches and DIY Electronics\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"18650 rechargeable lithium battery 5000mAh 3.7V with pointed and flat head options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/6261\/2025-10-31\/original-image\/18a83530-6121-414b-bdb7-47abc3aefe29_2bc414f1-eeff-4a97-baea-661b3e83682c.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis 18650 lithium battery delivers a consistent 3.7V output with a nominal capacity of 5000mAh, making it a practical choice for powering high-drain devices such as torches, portable fans, and custom battery packs. With a lightweight design at just 36g, these cells are easy to handle and fit into standard 18650 battery holders. The battery supports a charging voltage of 4.20V ±0.05V and a maximum charging voltage of 4.25V, with a discharge cut-off at 3.0V to protect the cell from deep discharge. Suitable for repeated recharging, this cell is built for applications where reliable power is needed.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"18650 rechargeable lithium battery 5000mAh 3.7V with pointed and flat head options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/6261\/2025-10-31\/original-image\/7dfed319-ff6e-4f49-a7cc-e784e5af6948.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis battery is constructed with standard lithium-ion chemistry, providing a balance of capacity and safety within its specified operating limits. The cell is available in two physical configurations to suit different device requirements.\u003c\/p\u003e\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\u003cp\u003eThe battery uses lithium-ion cells with a nominal capacity of 5000mAh and a rated voltage of 3.7V. It weighs 36g, ensuring minimal added weight in portable setups. The casing is designed to standard 18650 dimensions for broad compatibility.\u003c\/p\u003e\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\u003cp\u003eThe 18650 cell measures 18mm in diameter with a length of either 66.5mm for the pointed head style or 65mm for the flat head style. This allows it to fit most standard battery compartments and holders designed for 18650 cells.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"18650 rechargeable lithium battery 5000mAh 3.7V with pointed and flat head options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US10\/6261\/2025-10-31\/original-image\/e8b17140-dcd9-4302-b937-8b86c0e3ceec.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis rechargeable lithium battery is suited for a variety of electronic devices that require a steady 3.7V supply. It is commonly used in flashlights, portable power banks, and hobby electronics due to its capacity and reusability.\u003c\/p\u003e\u003ch3\u003eHigh-Drain Device Use\u003c\/h3\u003e\u003cp\u003eThanks to its 5000mAh capacity, the battery provides extended runtime for high-drain equipment like high-lumen torches or portable vacuum cleaners. The 3.7V output ensures compatibility with many consumer electronics.\u003c\/p\u003e\u003ch3\u003eDIY and Custom Projects\u003c\/h3\u003e\u003cp\u003eFor hobbyists building custom battery packs, this cell can be combined with others in series or parallel setups, provided the charging and discharging limits are observed. The flat head variant offers easier contact with spring terminals.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cp\u003eThis battery offers a cost-effective and rechargeable alternative to single-use cells, reducing waste over time. Its clear specifications help users match it to their device requirements without guesswork.\u003c\/p\u003e\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\u003cp\u003eAs a rechargeable cell, it can be cycled multiple times, lowering long-term battery costs. Regular charging within the specified voltage limits helps maintain performance and lifespan.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eWith a high nominal capacity of 5000mAh and standard 18650 sizing, this battery fits a wide range of devices. The choice between pointed and flat head styles provides flexibility for different battery compartment designs.\u003c\/p\u003e","brand":"umvdr2-sp","offers":[{"title":"18650lithium Battery","offer_id":58308269670664,"sku":"CJDC190851001AZ","price":12.98,"currency_code":"GBP","in_stock":true},{"title":"26650lithium Battery","offer_id":58308269703432,"sku":"CJDC190851002BY","price":14.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/4664\/9864\/files\/e8b17140-dcd9-4302-b937-8b86c0e3ceec.webp?v=1785126036","url":"https:\/\/avermora.com\/products\/rechargeable-18650-lithium-battery-3-7v-5000mah-36g-button-or-flat-top-18mm-x-65mm-for-high-drain-devices-and-diy-projects-with-pointed-and-flat-head-options","provider":"Avermora.com","version":"1.0","type":"link"}