{"product_id":"ncr21700t-3500mah-li-ion-battery","title":"21700A Lithium-Ion Rechargeable Battery – 4.2V 5000mAh High Capacity (Made in Japan)","description":"\u003cp\u003e\u003cstrong\u003e21700A Lithium-Ion Rechargeable Battery – 4.2V 5000mAh High Capacity (Made in Japan)\u003c\/strong\u003e — Reliable power cells for everyday devices and backup systems.\u003c\/p\u003e\u003cp\u003eKey numbers at a glance: battery 5000mah. Full details are in the specification table below.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMassive 5000mAh Capacity: Enjoy significantly longer runtimes compared to standard rechargeable batteries.\u003c\/li\u003e\n\u003cli\u003eStable 4.2V Output: Optimized for high-drain devices that require steady voltage under heavy load.\u003c\/li\u003e\n\u003cli\u003eHigh-Density Energy: The 21700 form factor provides the best balance of size and power for modern EV and DIY projects.\u003c\/li\u003e\n\u003cli\u003eRechargeable \u0026amp; Eco-Friendly: Designed for hundreds of charge cycles, reducing waste and saving you money over time.\u003c\/li\u003e\n\u003cli\u003eSafety Printed Warnings: Includes clear handling instructions directly on the wrap to ensure user safety.\u003c\/li\u003e\n\u003cli\u003eFlat Top Design: Ensures a secure fit in high-end battery sleds and custom-welded packs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21700A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLithium-Ion (Li-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V (Fully Charged) \/ 3.7V (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylindrical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSIZE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21mm (Diameter) x 70mm (Length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnprotected (Requires a Battery Management System for packs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlashlights, EV Battery Packs, Power Banks, Power Tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDIY Techies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilding e-bike batteries or portable power stations.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlashlight Enthusiasts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePowering 2000+ lumen searchlights.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVapers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor devices requiring high-capacity 21700 support.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProfessional Contractors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKeeping high-drain cordless tools running all day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 7 days warranty. \u003cstrong\u003eDelivery:\u003c\/strong\u003e Every unit is checked before dispatch, and cash on delivery is available across Bangladesh.\u003c\/p\u003e","brand":"SoundLoom","offers":[{"title":"Default Title","offer_id":67606984360304,"sku":"1017531","price":690.0,"currency_code":"BDT","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3887\/7040\/files\/wp-452269-9b17d75fd5.png?v=1790697645","url":"https:\/\/soundloom.com.bd\/products\/ncr21700t-3500mah-li-ion-battery","provider":"SoundLoom","version":"1.0","type":"link"}