{"product_id":"kastar-4-pack-np-f750-np-f770-batteries-with-ltd2-usb-dual-charger","title":"Kastar 4-Pack NP-F750 NP-F770 Batteries with LTD2 USB Dual Charger","description":"\u003cp\u003eIn this review the Kastar 4-Pack NP-F750 \/ NP-F770 batteries and LTD2 USB dual charger are evaluated for videographers and content creators who need reliable, portable power for LED video lights. The bottom line: this bundle is best for users who want extended runtime and flexible charging on shoots because the four 5800mAh lithium-ion cells provide substantial capacity and the LTD2 charger supports two batteries at once with both Micro-USB and Type-C inputs. It is a practical, travel-friendly option when paired with compatible GVM LED panels.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5800mAh Capacity:\u003c\/strong\u003e High-capacity lithium-ion cells deliver longer run times between swaps, reducing interruptions during long shoots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Battery Charging:\u003c\/strong\u003e The LTD2 charger can charge two batteries simultaneously, which speeds turnaround when multiple batteries are in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Plates:\u003c\/strong\u003e Changeable charging plates let the charger accept different battery plates so it can adapt to various NP-F style batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Input Options:\u003c\/strong\u003e Micro-USB and Type-C inputs (charger input 5V 2-3A 15W) provide multiple charging options from common power banks and adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent LED Display:\u003c\/strong\u003e The charger shows charging status and estimated battery capacity so it is easy to monitor progress at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Design:\u003c\/strong\u003e The batteries and compact charger are easy to carry in a gear bag for location work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Kastar 4-pack is aimed at independent videographers, livestreamers, and small studio setups using compatible GVM LED video lights who need several spares to maintain continuous power. The large 5800mAh cells are especially useful for all-day shoots or multi-day events where frequent battery swaps would be inconvenient.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need original manufacturer batteries with brand-specific warranties or those who require very fast proprietary high-voltage charging beyond the 8.4V 800mA outputs offered here. Also, if you only need a single backup battery, the 4-pack is overkill.\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\u003eHigh 5800mAh capacity gives noticeably longer run time than lower-capacity NP-F cells.\u003c\/li\u003e\n\u003cli\u003eDual charging capability gets two batteries ready at once, reducing downtime on set.\u003c\/li\u003e\n\u003cli\u003eVersatile USB inputs and included Micro USB cable make charging from common power sources simple.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCharger output is modest (8.4V 800mA per slot), so charging can be slower than some high-power chargers.\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\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) or 8.4V 800mA (x2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Options\u003c\/td\u003e\n\u003ctd\u003eMicro-USB input, Type-C input; includes Micro USB cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with GVM T20R, GVM-50M, GVM-110S and listed GVM LED lights\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Kastar 4-Pack NP-F750 \/ NP-F770 batteries with the LTD2 USB dual charger are a practical value for creators who need multiple reliable spares and flexible charging on location. The large 5800mAh cells and dual-charge capability meaningfully reduce downtime, and USB input options make the kit convenient for travel. It is good value for anyone using compatible GVM LED lights who prioritizes run time over the fastest possible charge speed.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries compatible with my GVM LED panel?\u003c\/strong\u003e\u003cbr\u003eThey are listed as compatible with a range of GVM models such as the T20R, GVM-50M, GVM-110S and others noted in the product description; confirm your model is on the compatibility list before buying.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the charger charge two batteries at full speed?\u003c\/strong\u003e\u003cbr\u003eThe LTD2 can charge two batteries simultaneously, but each slot provides 8.4V at 800mA so charge time will be slower than higher-power single-bay chargers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include a cable?\u003c\/strong\u003e\u003cbr\u003eThe package includes a Micro USB cable and supports both Micro-USB and Type-C inputs for flexible charging options.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48192051445979,"sku":"B0B4543387","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71HztFw4CyL._AC_SL1500.jpg?v=1770205228","url":"https:\/\/gearmusthave.com\/products\/kastar-4-pack-np-f750-np-f770-batteries-with-ltd2-usb-dual-charger","provider":"GearMustHave","version":"1.0","type":"link"}