{"product_id":"murata-us21700-vx40-4000mah-21700-battery-high-drain","title":"Murata US21700 VX40 4000mAh 21700 Battery (High Drain)","description":"\u003cp\u003eThe Murata US21700 VX40 is a high-performance 21700 lithium-ion cell engineered for applications requiring strong current output and dependable capacity. With a typical capacity of 4000mAh and high discharge capability, the VX40 is suitable for demanding battery pack applications and power systems.\u003c\/p\u003e\n\u003cp\u003eManufactured by Murata, this cell continues the legacy of Sony battery technology, delivering consistent performance, quality, and reliability.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003cbr\u003e- 4000mAh typical capacity\u003cbr\u003e- High discharge capability (up to 30–40A class)\u003cbr\u003e- Low internal resistance for efficient power delivery\u003cbr\u003e- Flat-top configuration for pack integration\u003cbr\u003e- Reliable performance for demanding applications\u003c\/p\u003e\n\u003cp\u003eTechnical Specifications:\u003cbr\u003e- Model: US21700 VX40\u003cbr\u003e- Format: 21700\u003cbr\u003e- Nominal Voltage: 3.6V\u003cbr\u003e- Charge Voltage: 4.2V\u003cbr\u003e- Discharge Cutoff: 2.5V\u003cbr\u003e- Capacity: 4000mAh typical\u003cbr\u003e- Max Discharge Current: ~30–40A\u003cbr\u003e- Standard Charge Current: ~4A\u003cbr\u003e- Max Charge Current: ~8–12A\u003cbr\u003e- Weight: ~68g\u003cbr\u003e- Diameter: 21.5mm max\u003cbr\u003e- Height: 70.0mm max\u003cbr\u003e- Internal Resistance: ≤15–20 mΩ\u003cbr\u003e- Operating Temp: Charge 0°C–60°C \/ Discharge -20°C–60°C\u003cbr\u003e- Certifications: UN38.3, UL1642, IEC62133\u003cbr\u003e- Origin: Japan\u003c\/p\u003e\n\u003cp\u003eApplications:\u003cbr\u003e- Battery pack building\u003cbr\u003e- Electric mobility systems\u003cbr\u003e- Power tools\u003cbr\u003e- High-drain electronics\u003c\/p\u003e\n\u003cp\u003eSafety Notice:\u003cbr\u003eThis is an unprotected lithium-ion cell intended for use in properly designed battery packs with appropriate battery management systems. Improper handling may result in fire or injury.\u003c\/p\u003e","brand":"Murata","offers":[{"title":"Default Title","offer_id":42701631586366,"sku":"MUR-VX40-21700","price":7.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/9289\/5294\/files\/SONY-VTC6A-21_2.webp?v=1776114091","url":"https:\/\/unitedlithium.us\/products\/murata-us21700-vx40-4000mah-21700-battery-high-drain","provider":"United Lithium Solutions","version":"1.0","type":"link"}