{"product_id":"kastar-np-f550-f570-4-pack-battery-and-ltd2-usb-charger-reliable","title":"Kastar NP-F550\/F570 4-Pack Battery and LTD2 USB Charger - Reliable","description":"\u003cp\u003eIn this review the Kastar 4-Pack NP-F550\/F570 Battery and LTD2 USB Charger is evaluated for independent filmmakers and camera operators who need dependable spare power for Z Cam cameras. The bottom line: this kit is for anyone who wants a compact, transportable solution that holds multiple batteries and charges them flexibly via USB. The biggest reason to buy is the combination of decent 2900mAh lithium-ion capacity with a dual charging station that accepts both Micro-USB and Type-C input, making it simple to keep several NP-F series batteries ready on set or while traveling.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBattery Capacity:\u003c\/strong\u003e The 2900mAh lithium-ion cells provide substantial runtime for many mirrorless and cinema workflows, reducing downtime between takes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual Charging:\u003c\/strong\u003e The LTD2 charger can charge two batteries at the same time, which speeds turnaround when multiple batteries are in rotation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUniversal Inputs:\u003c\/strong\u003e Multiple charging options with Micro-USB and Type-C inputs mean the charger can use common power banks and phone-style adapters for field charging.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSwapable Plate:\u003c\/strong\u003e The charger allows the plate to be changed to fit different batteries, offering flexibility for several NP-F variants used across cameras and accessories.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSmart LED:\u003c\/strong\u003e An intelligent LED display shows charging status and battery capacity so users can see which cells are ready at a glance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLow Power Draw:\u003c\/strong\u003e The charger runs from a 5V 2-3A USB supply and outputs 8.4V at 800mA per slot, which is safe and compatible with common USB power sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe kit is aimed at content creators, indie filmmakers, and videographers using Z Cam models and other cameras that accept NP-F series batteries; it is particularly useful for those who value portability and the option to charge multiple batteries on location. The combination of 2900mAh batteries and a USB-powered charger makes it a practical backup solution for a day of shooting when access to mains power is limited.\u003c\/p\u003e\n\n\u003cp\u003eUsers who require factory-original batteries with brand warranty or those who need very fast, high-current rapid charging should look elsewhere; this kit is optimized for convenience and compatibility over ultra-rapid charge cycles.\u003c\/p\u003e\n\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 2900mAh batteries provide extended run time compared with lower-capacity cells.\u003c\/li\u003e\n \u003cli\u003eDual-slot LTD2 charger charges two batteries simultaneously, improving workflow efficiency.\u003c\/li\u003e\n \u003cli\u003eMicro-USB and Type-C inputs add flexibility for field charging from power banks or adapters.\u003c\/li\u003e\n \u003cli\u003eSmart LED indicators make it easy to monitor charge progress and battery capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCharging speed is moderate at 800mA per slot, so replenishing drained batteries takes longer than high-current chargers.\u003c\/li\u003e\n \u003cli\u003eIncluded charging cable is Micro-USB only, so a separate Type-C cable may be needed for some users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e7.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCapacity\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\u003e5V 2-3A (15W)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCharger Output\u003c\/td\u003e\n\u003ctd\u003e8.4V 800mA (x1) 800mA (x2)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eMicro-USB and Type-C (Micro-USB cable included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Kastar 4-Pack NP-F550\/F570 kit is a practical, cost-effective option for shooters who need several dependable spare batteries and a portable charger that runs from USB power. It is best for on-location creators and camera operators who prioritize versatility and battery capacity over ultra-fast charging; overall it represents solid value for kit-based workflows that rely on NP-F series cells.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these batteries work with Z Cam E2 cameras?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is compatible with NP-F550\/F570 formats used by Z Cam E2, E2-M4, E2-S6 and E2-F6 series cameras.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the charger run from a power bank?\u003c\/strong\u003e\u003cbr\u003eYes, the LTD2 charger accepts 5V USB input and can be powered from most power banks that supply 2-3A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the charger charge two batteries at full speed?\u003c\/strong\u003e\u003cbr\u003eIt charges two batteries simultaneously but at a moderate 800mA per slot, so full recharges take longer than high-current chargers.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48638151655643,"sku":"B089M1C57L","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71pP6h4jFxL._AC_SL1500_94ee024d-710c-4e25-8a64-cdee69ea15c3.jpg?v=1778553604","url":"https:\/\/gearmusthave.com\/products\/kastar-np-f550-f570-4-pack-battery-and-ltd2-usb-charger-reliable","provider":"GearMustHave","version":"1.0","type":"link"}