{"product_id":"kastar-2-pack-np-f750-np-f770-battery-and-ac-charger-reliable-power","title":"Kastar 2-Pack NP-F750\/NP-F770 Battery and AC Charger - Reliable Power","description":"\u003cp\u003eIn this review the Kastar 2-Pack NP-F750 \/ NP-F770 Battery and AC Wall Charger replacement is presented for shooters and videographers who use small on-camera field monitors. The bottom line: this kit is for operators who need long runtime and a compact charging option without replacing original manufacturer batteries. The reviewer found the 7.4V 5800mAh lithium-ion cells deliver noticeably longer operating time on FEELWORLD 5.7 in and 5.5 in monitors, while the included AC wall charger with foldable flat pin keeps desk and travel setup tidy and dependable.\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 5800mAh lithium-ion batteries provide extended runtime so monitors run longer between swaps, reducing interruptions during shoots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible voltage:\u003c\/strong\u003e The 7.4V rating matches NP-F750\/NP-F770 style monitors and devices, which avoids voltage mismatch and simplifies replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFoldable charger pin:\u003c\/strong\u003e The AC wall charger has a foldable flat pin for compact storage and easier transport in camera bags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide input range:\u003c\/strong\u003e Charger input of AC 100~240V 50\/60Hz supports use in many countries with the appropriate adapter, making it useful for travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge status LEDs:\u003c\/strong\u003e Red indicates charging and green indicates standby or full-charge so users can tell battery state at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple package:\u003c\/strong\u003e The kit ships with two batteries and one AC charger, which covers most short runs and desktop charging needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe kit is best for independent videographers, run-and-gun shooters, and small studio setups that use FEELWORLD field monitors such as the F570 5.7 in or S55 5.5 in models and need extra runtime without buying brand-name batteries. It is especially useful for anyone who prefers carrying a couple of spare cells rather than rigging external power solutions.\u003c\/p\u003e\n\u003cp\u003eThose who need in-car charging, country-specific plugs bundled with the charger, or OEM warranty matching may want to consider alternatives; this package does not include a car adapter or European plug and is intended as a straightforward replacement power kit.\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\u003eLong 5800mAh capacity provides extended monitor operation between charges.\u003c\/li\u003e\n\u003cli\u003eLED indicators make it easy to monitor charge status without guessing.\u003c\/li\u003e\n\u003cli\u003eFoldable flat pin on the charger reduces bulk for travel and storage.\u003c\/li\u003e\n\u003cli\u003eWide input voltage range allows use in varied mains regions with an adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePackage omits a car adapter and alternate plug types, so those are bought separately if needed.\u003c\/li\u003e\n\u003cli\u003eIncludes one charger only, so simultaneous charging of multiple batteries requires a separate charger or staggered charging.\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\u003e5800mAh\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\u003eLED indicators\u003c\/td\u003e\n\u003ctd\u003eRed charging, Green standby\/full\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage contents\u003c\/td\u003e\n\u003ctd\u003e2 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 Kastar 2-Pack NP-F750 \/ NP-F770 kit is a practical, cost-effective option for shooters who need reliable spare power for FEELWORLD 5.7 in and 5.5 in field monitors. With high-capacity 5800mAh cells and a compact charger, it offers solid value for extended shoots, though travelers needing car charging or additional plug types should plan to add adapters or accessories.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries compatible with FEELWORLD F570 and S55 monitors?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is intended as a replacement for NP-F750\/NP-F770 style batteries used by FEELWORLD F570 5.7 in and S55 5.5 in monitors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the included charger be used worldwide?\u003c\/strong\u003e\u003cbr\u003eThe charger accepts AC 100~240V 50\/60Hz so it works on many mains systems, but you may need a country-specific plug adapter; a car adapter is not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow will I know when a battery is fully charged?\u003c\/strong\u003e\u003cbr\u003eThe charger shows a red LED while charging and a green LED for standby or full-charge to indicate battery status.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48238225522907,"sku":"B0B43TBPMX","price":32.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61nC5H1hy_L._AC_SL1500.jpg?v=1770821591","url":"https:\/\/gearmusthave.com\/products\/kastar-2-pack-np-f750-np-f770-battery-and-ac-charger-reliable-power","provider":"GearMustHave","version":"1.0","type":"link"}