{"product_id":"kastar-battery-4-pack-replacement-for-gopro-hero11-10-9-longer-run","title":"Kastar Battery 4-Pack Replacement for GoPro HERO11\/10\/9 - Longer Run","description":"\u003cp\u003eOur review of the Kastar Battery 4-Pack finds it ideal for action camera users who need reliable backup power without breaking the bank. These replacement batteries are built with a \u003cstrong\u003ehigh capacity\u003c\/strong\u003e 1900mAh Li-ion cell and a 3.85V rating, and Kastar emphasizes safety with built-in protection against over-charge, over-discharge, over-voltage, over-current, and over-heating. For photographers, vloggers, and adventurers who shoot extended sessions or travel, the primary reason to buy is the combination of noticeably longer run time and multiple cells in a single pack so you can swap batteries instead of hunting for charging outlets.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity:\u003c\/strong\u003e The 1900mAh cells provide extended recording time compared to typical single-use batteries, letting users capture longer sessions between swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type and Voltage:\u003c\/strong\u003e This replacement pack uses lithium-ion chemistry at 3.85V, matching the electrical specification expected by compatible GoPro models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Protections:\u003c\/strong\u003e Built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection circuits improve reliability during charging and use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Specifically designed to work with GoPro HERO11, HERO10, and HERO9 Black models and associated battery model numbers listed by Kastar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue Pack:\u003c\/strong\u003e The 4-pack format saves time and ensures multiple spare batteries are available for extended shoots or travel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis 4-pack is best for shooters who regularly film long sessions, outdoor athletes, or content creators who need multiple spare batteries on location. The pack removes the hassle of frequent recharging and is useful for travel where access to a power source is limited.\u003c\/p\u003e\u003cp\u003eUsers who prefer original manufacturer batteries for warranty or maximum guaranteed compatibility may want to look elsewhere, and those who need integrated charging cases or USB-C fast-charge features should verify accessories separately since this product focuses on replacement cells.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigher 1900mAh capacity provides longer run time per charge.\u003c\/li\u003e\n\u003cli\u003eFour batteries in one package reduce downtime and the need to recharge between shoots.\u003c\/li\u003e\n\u003cli\u003eSafety circuitry meeting UL1642 and CE standards helps protect the camera and battery.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot an original brand battery, so warranty or manufacturer support may differ from factory units.\u003c\/li\u003e\n\u003cli\u003ePackage contains batteries only; a charger or case is not included, so a compatible charger is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKastar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Voltage\u003c\/td\u003e\n\u003ctd\u003e3.85V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e1900mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003e4-Pack Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Standards\u003c\/td\u003e\n\u003ctd\u003eUL1642 \u0026amp; CE with built-in protection circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eFor enthusiasts and creators who need dependable spare power for GoPro HERO11, HERO10, and HERO9 cameras, this Kastar 4-pack offers good value through higher capacity cells and safety protections. It is a practical choice when extended run time and multiple backups matter more than factory branding, making it a smart, cost-effective accessory for longer shoots and travel.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these batteries compatible with GoPro HERO11, HERO10, and HERO9?\u003c\/strong\u003e\u003cbr\u003eYes, the pack is listed as compatible with GoPro HERO11 Black, HERO10 Black Edition, and HERO9 Black Edition and the associated battery model numbers named by the manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the pack include a charger?\u003c\/strong\u003e\u003cbr\u003eNo, the package includes four replacement batteries only; a separate compatible charger or the camera charger is required for charging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the batteries safe to use in my camera?\u003c\/strong\u003e\u003cbr\u003eYes, Kastar states the lithium-ion cells meet UL1642 and CE standards and include built-in protections for over-charge, over-discharge, over-voltage, over-current, and over-heating.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48246127591643,"sku":"B0BV87K57Y","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dMiHIwIyL._AC_SL1500.jpg?v=1776285923","url":"https:\/\/gearmusthave.com\/products\/kastar-battery-4-pack-replacement-for-gopro-hero11-10-9-longer-run","provider":"GearMustHave","version":"1.0","type":"link"}