{"product_id":"kastar-4-pack-np-qm71d-battery-and-ltd2-usb-charger-long-runtime","title":"Kastar 4-Pack NP-QM71D Battery and LTD2 USB Charger - Long Runtime","description":"\u003cp\u003eIn this review the Kastar 4-Pack NP-QM71D Battery and LTD2 USB Charger is examined for photographers and videographers who still use legacy Sony NP-F series batteries and need reliable spares. The bottom line: this bundle is aimed at users who want a high-capacity replacement set and flexible charging options, delivering a clear benefit in extended runtime and simultaneous charging. The reviewer found the 3600mAh 7.4V lithium-ion cells paired with a dual-slot USB charger to be a practical, portable solution for longer shoots and travel where wall power may not be convenient.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity battery:\u003c\/strong\u003e Each 3600mAh 7.4V lithium-ion battery provides extended recording time compared with factory low-capacity cells, reducing interruptions on shoots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual simultaneous charging:\u003c\/strong\u003e The LTD2 charger can charge two batteries at once, which cuts downtime when multiple spares are needed for back-to-back sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvertible plate design:\u003c\/strong\u003e The charger plate can be changed to accept different NP-F style batteries, adding versatility for mixed battery inventories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB power inputs:\u003c\/strong\u003e With both Micro-USB and Type-C input support and a Micro USB cable included, the charger can be powered from power banks, laptops, or wall adapters for mobile charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent LED indicators:\u003c\/strong\u003e The charger uses LED lights to display charging status and approximate battery capacity so users can monitor progress at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and travel friendly:\u003c\/strong\u003e The charger input of 5V 2-3A and 15W rating keeps the unit small and easy to carry without bulky power bricks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is well suited for content creators, camcorder owners, and hobbyists who use Sony NP-FM\/NP-QM series batteries and need a cost-effective way to increase on-camera runtime. The high 3600mAh capacity makes it a good match for long recording sessions, event coverage, or travel where changing batteries frequently is undesirable.\u003c\/p\u003e\n\u003cp\u003eIt is not targeted at users who require OEM-branded batteries for warranty reasons or those who need specialized fast charging above the chargers 800mA per slot; professional rigs that rely on camera-specific proprietary charging docks may prefer original manufacturer accessories.\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\u003eLarge 3600mAh cells deliver noticeably longer runtime for cameras and camcorders using NP-F style batteries.\u003c\/li\u003e\n\u003cli\u003eCharger accepts two batteries at once and can switch plates to accommodate different NP-F models, improving convenience.\u003c\/li\u003e\n\u003cli\u003eUSB input options and included Micro USB cable make it easy to charge from common power sources while traveling.\u003c\/li\u003e\n\u003cli\u003eLED indicators provide a quick visual of charging status 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 current is modest at 800mA per slot, so full recharge times are longer than higher-current chargers.\u003c\/li\u003e\n\u003cli\u003ePackage does not include a Type-C cable despite supporting Type-C input, so users relying on that will need to supply one.\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\u003e3600mAh\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\/4.2V 800mA (x1) 800mA (x2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging Ports\u003c\/td\u003e\n\u003ctd\u003eMicro-USB and Type-C input (Micro USB cable included)\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-QM71D Battery and LTD2 USB Charger is a practical, value-oriented bundle for shooters who need multiple high-capacity NP-F batteries and flexible USB charging. Its large 3600mAh cells and dual-slot charging make it a sensible choice for longer sessions and travel, though users wanting the fastest possible recharge will notice the modest 800mA per slot rate.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these batteries compatible with my Sony NP-F cameras?\u003c\/strong\u003e\u003cbr\u003eYes, the pack lists compatibility with many Sony NP-FM and NP-QM series models such as NP-FM70, NP-FM71, NP-QM71 and others; use model search to confirm your exact camera model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I charge two batteries at the same time?\u003c\/strong\u003e\u003cbr\u003eYes, the LTD2 charger supports simultaneous charging of two batteries with an output of 800mA on each slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include all cables for Type-C charging?\u003c\/strong\u003e\u003cbr\u003eThe kit includes a Micro USB cable; Type-C input is supported but a Type-C cable is not included, so users may need to supply one.\u003c\/p\u003e","brand":"Kastar","offers":[{"title":"Default Title","offer_id":48204944998619,"sku":"B09VD2Y7BZ","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71OD--D_YoL._AC_SL1500.jpg?v=1770262867","url":"https:\/\/gearmusthave.com\/products\/kastar-4-pack-np-qm71d-battery-and-ltd2-usb-charger-long-runtime","provider":"GearMustHave","version":"1.0","type":"link"}