Kastar 4-Pack NP-F550/F570 Batteries and LTD2 USB Charger - Reliable

In this review the Kastar 4-Pack NP-F550/F570 batteries with the LTD2 USB dual charger are assessed for videographers and hobbyists who rely on LED video lights and cameras with Sony-style NP-F batteries. The bottom line: this kit is for anyone who needs multiple, affordable 7.4V lithium-ion spares and a flexible USB charger that can top up two batteries at once. The reviewer found the 2900mAh capacity and simultaneous charging useful for shoots where swapping cells quickly matters, and the USB input options make it simple to charge on the go.

Key Features

• High capacity cells: Each 2900mAh, 7.4V lithium-ion battery provides substantial runtime for LED panels and cameras so you can shoot longer between swaps.
• Dual simultaneous charging: The LTD2 charger can charge two batteries at the same time, reducing downtime when multiple spares are in use on a kit day.
• Changeable plate: The charger accepts swappable plates to accommodate different NP-F style battery plates so it works with a wider set of gear.
• USB powered: With Micro-USB and Type-C input capability and a 5V 2-3A (15W) input spec, the charger is convenient to run from power banks or USB adapters during travel.
• Intelligent LED display: The charger shows charging status and relative capacity with LED indicators so it is easy to monitor progress at a glance.
• Compact and portable: The small charger and four spare batteries are easy to carry in a camera bag for location shoots or run-and-gun setups.

Who It's For

This kit is well suited to independent videographers, content creators, and photographers who use LED panels such as CN-126, CN-160, CN-216, CN-304 and similar lights, plus cameras that accept NP-F style batteries. The included charger and four batteries give a practical balance of runtime and redundancy for half-day to full-day shoots.

Those who need manufacturer OEM cells with special warranties, or users who require single-cell ultra-fast charging beyond 800mA per channel, should look elsewhere. Also, people who do not use NP-F style batteries will not benefit from this kit.

Pros & Cons

Pros

• Four 2900mAh batteries give extended runtime for LED video lights and cameras without frequent swapping.
• LTD2 charger supports charging two batteries simultaneously and offers both Micro-USB and Type-C inputs for flexibility.
• Changeable plate design expands compatibility with many NP-F style devices and LED panels.

Cons

• Charger output is limited to 800mA per channel, so charging is not as fast as higher-current dedicated chargers.
• The kit includes a Micro USB cable only; users wanting Type-C convenience may need to supply their own cable.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	2900mAh
Charger Input	5V 2-3A (15W) via Micro-USB or Type-C
Charger Output	8.4V 800mA (x1) or 800mA (x2)
Charging Features	Dual simultaneous charging, changeable plate, LED status indicators

Our Verdict

The Kastar 4-Pack with LTD2 charger is a practical, cost-effective kit for creators who need multiple NP-F style spares and the convenience of USB charging. It offers solid 2900mAh capacity, broad compatibility with LED lights and cameras, and useful dual charging, making it good value for small production teams and independent shooters who prioritize runtime and portability over the fastest possible charge times.

Frequently Asked Questions

Are these batteries compatible with my CN-160 or CN-216 LED light?
Yes, the pack lists compatibility with CN-160 and CN-216 and other NP-F style devices that accept NP-F550/570 batteries.

Can the LTD2 charger charge two batteries at full speed at once?
The charger supports simultaneous charging but provides up to 800mA per channel, so charge time is moderate compared with high-current single-channel chargers.

Does the kit include a Type-C cable?
The kit comes with a Micro-USB cable and supports Type-C input, so you may want to supply a Type-C cable for newer adapters or power banks.