{"product_id":"np-f550-np-f570-4-pack-2900mah-batteries-with-ac-charger-spare-power","title":"NP-F550 NP-F570 4-Pack 2900mAh Batteries with AC Charger - Spare Power","description":"\u003cp\u003eIn this review the reviewer takes a close look at a practical power kit intended for photographers and videographers who use GVM LED lights. The set pairs a 4-pack of \u003cstrong\u003eNP-F550\/NP-F570 2900mAh batteries\u003c\/strong\u003e with a compact AC wall charger, and the bottom line is clear: this bundle is for users who need affordable, on-hand spare power for extended shoots without adding bulky adapters. The charger includes a foldable flat pin for storage and simple LED indicators, so it is immediately useful for run-and-gun lighting setups where replacing depleted batteries quickly matters.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity cells:\u003c\/strong\u003e Each lithium-ion battery provides 7.4V and 2900mAh to extend runtime on compatible LED video lights compared with lower-capacity packs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-pack convenience:\u003c\/strong\u003e The bundle includes four batteries so a single light or multiple lights can be powered in rotation for continuous shooting days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact AC charger:\u003c\/strong\u003e The included wall charger has a foldable flat pin that makes it easier to store and travel with in a kit bag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide input:\u003c\/strong\u003e Charger input of AC 100~240V 50~60Hz means it can be used internationally with the correct plug adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple charge status:\u003c\/strong\u003e A red LED shows charging and green indicates standby or full-charge, which keeps monitoring straightforward on set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for content creators, independent filmmakers, and event photographers who work with GVM lights listed as compatible and need multiple spare batteries to avoid downtime. The 2900mAh cells are especially useful when swapping batteries during long interviews or multi-hour continuous lighting use.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who require in-car charging or a European plug out of the box, since the package does not include a car adapter or alternate plug types. Also, professionals who need manufacturer-branded batteries for warranty or highest-end longevity may prefer original batteries instead.\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\u003eGood capacity per cell at 2900mAh for extended run times on compatible GVM lights.\u003c\/li\u003e\n\u003cli\u003eFour batteries in one package reduce the need to buy multiple single packs separately.\u003c\/li\u003e\n\u003cli\u003eCharger design includes foldable flat pin and clear red\/green LEDs for easy use and storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePackage does not include a car adapter or European plug, so additional accessories may be required for travel.\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\u003e2900mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger Input\u003c\/td\u003e\n\u003ctd\u003eAC 100~240V 50~60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger Output\u003c\/td\u003e\n\u003ctd\u003eDC 8.4V 600mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Indicator\u003c\/td\u003e\n\u003ctd\u003eRed charging \/ Green full or standby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003e4-Pack batteries + 1 AC charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe NP-F550\/NP-F570 4-pack with AC charger is a pragmatic value option for photographers and videographers who rely on GVM lights and want extra runtime without carrying branded replacements. It combines useful capacity, a compact charger with global input range, and four batteries so you can keep lights running through long shoots, though you may need a separate car adapter or plug for some travel situations.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries compatible with GVM LED lights?\u003c\/strong\u003e\u003cbr\u003eYes, the pack is designed for NP-F550 and NP-F570 use and lists compatibility with many GVM models and LED video lights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the charger work worldwide?\u003c\/strong\u003e\u003cbr\u003eThe charger accepts AC 100~240V 50~60Hz, so it supports international voltage but does not include alternate plug types.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a car adapter included?\u003c\/strong\u003e\u003cbr\u003eNo, the package does not include a car adapter or European plug; only the AC wall charger with foldable flat pin is included.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48626735120603,"sku":"B0B2JD2N74","price":34.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61XfxWFCfYL._AC_SL1500.jpg?v=1778451624","url":"https:\/\/gearmusthave.com\/products\/np-f550-np-f570-4-pack-2900mah-batteries-with-ac-charger-spare-power","provider":"GearMustHave","version":"1.0","type":"link"}