{"product_id":"kastar-np-f960-np-f970-battery-2-pack-replacement-long-run-time","title":"Kastar NP-F960 \/ NP-F970 Battery 2-Pack Replacement - Long Run Time","description":"\u003cp\u003eIn this review the author tests the Kastar NP-F960 \/ NP-F970 Battery 2-Pack as a practical replacement option for on-camera monitors and recorders. The bottom line: this two-pack is aimed at filmmakers and run-and-gun shooters who need extended on-set power for monitors such as the Blackmagic Video Assist 5' and 7' series, and it delivers noticeably longer runtime without added risk thanks to built-in protection circuitry. The review focuses on capacity, safety features, compatibility, and whether the twin-pack represents a sensible value for professionals and enthusiasts.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh capacity cells:\u003c\/strong\u003e The 8700mAh lithium-ion batteries provide much longer runtime so monitors stay powered through extended shoots without frequent swaps.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as replacements for a wide range of field monitors including Blackmagic Video Assist 5' and 7' models and several SmallHD and Portkeys displays, reducing worry about fit and contacts.\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 helps prevent damage to the monitor and prolongs pack life.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIndustry compliance:\u003c\/strong\u003e Cells meet UL1642 and CE safety standards, offering reassurance for professional workflows and travel to shoots.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTwo-pack value:\u003c\/strong\u003e The package includes two batteries so you can rotate packs and avoid downtime, which is useful for back-to-back shots or multi-hour setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis battery 2-pack is best for videographers, independent filmmakers, and content creators who use on-camera monitors such as the Blackmagic Video Assist family, SmallHD models, or Portkeys displays and need longer continuous operation. The higher 8700mAh capacity makes it suited to long documentary days, multicamera runs, or location shoots where access to mains power is limited.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who require original manufacturer branding or warranty-backed batteries from the monitor maker. Also, if a camera rig uses a different proprietary plate or a higher-voltage system, verify compatibility before purchasing.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eMuch higher capacity than many stock packs, extending monitor uptime on set.\u003c\/li\u003e\n \u003cli\u003eComprehensive protection circuitry reduces the chance of battery or monitor damage.\u003c\/li\u003e\n \u003cli\u003eWorks across multiple popular monitor models so one purchase covers several devices.\u003c\/li\u003e\n \u003cli\u003eTwo batteries in the box provide immediate redundancy and convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot the original manufacturer battery, so users seeking OEM labeling or warranty alignment may prefer branded packs.\u003c\/li\u003e\n \u003cli\u003eThe physical size and weight of high-capacity packs can add bulk to compact rigs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003e7.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e8700mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e2-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSafety Standards\u003c\/td\u003e\n\u003ctd\u003eUL1642, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eProtection Circuitry\u003c\/td\u003e\n\u003ctd\u003eOver-charge, over-discharge, over-voltage, over-current, over-heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Kastar NP-F960 \/ NP-F970 2-pack is a practical, cost-effective replacement for filmmakers who need extended runtime and built-in safety for on-camera monitors. It is good value for those who prioritize longer shooting times and cross-model compatibility, while buyers seeking OEM-branded batteries should weigh warranty considerations.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these batteries fit Blackmagic Video Assist 7' monitors?\u003c\/strong\u003e\u003cbr\u003eYes, the pack is listed as a compatible replacement for Blackmagic Video Assist 7' models that use NP-F960\/NP-F970 style batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will an 8700mAh pack run a typical on-camera monitor?\u003c\/strong\u003e\u003cbr\u003eRuntime varies by monitor brightness and features, but the higher 8700mAh capacity provides noticeably longer operation than many stock batteries, reducing mid-shoot swaps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries safe to use while traveling?\u003c\/strong\u003e\u003cbr\u003eThe cells meet UL1642 and CE standards and include protection circuitry, which helps with safety; check airline rules for lithium-ion carry-on limits before flying.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48197342101723,"sku":"B0B55CKDW9","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61ZMBMMWxDL._AC_SL1500_519c35b1-5faf-4642-941e-e85bf4adb362.jpg?v=1770370905","url":"https:\/\/gearmusthave.com\/products\/kastar-np-f960-np-f970-battery-2-pack-replacement-long-run-time","provider":"GearMustHave","version":"1.0","type":"link"}