Kastar 2-Pack NP-F750/NP-F770 Batteries and LTD2 USB Charger - Dual

In this review the Kastar 2-Pack NP-F750 / NP-F770 battery set with the LTD2 USB charger is judged as a practical power kit for users of Blackmagic Video Assist monitors who need reliable runtime and flexible charging on location. The bottom line: this pack supplies two high-capacity 7.4V lithium-ion batteries and a compact dual USB charger that can top up two batteries at once, making it a sensible choice for camera operators who want extra runtime without carrying bulky power bricks.

Key Features

• High capacity batteries: The 5800mAh lithium-ion cells provide extended runtime so monitors and recorders run longer between swaps.
• Dual charging: The LTD2 charger can charge two batteries simultaneously, saving time when preparing gear for a shoot day.
• Multiple input options: Micro-USB and Type-C inputs allow charging from common power banks or wall adapters for on-the-go convenience.
• LED status indicators: Intelligent LEDs display charging status and remaining battery capacity so you can monitor progress at a glance.
• Interchangeable plates: The charger plate can be changed to accept different battery plates for broader compatibility when needed.
• Portable power: The compact charger with a supplied Micro-USB cable is easy to carry in a camera bag or small case.

Who It's For

This kit is aimed at videographers and camera operators who use Blackmagic Design Video Assist 5' and 7' monitors and need spare NP-F750/NP-F770 power that matches the native battery form factor. It suits shooters who value the ability to charge two batteries at once and who often charge from USB power sources on location.

It is less appropriate for users who require integrated V-mount solutions, or those who need extremely fast professional charging rates beyond the charger's 800mA per slot. If you need studio-grade rapid charging with higher amperage, a different charger would be preferable.

Pros & Cons

Pros

• Includes two 5800mAh NP-F series batteries for substantially longer monitor runtime.
• Dual-slot LTD2 charger charges two batteries at once, reducing downtime between shoots.
• Flexible USB input options and an included Micro-USB cable make it easy to charge from common power sources.
• LED indicators provide useful, visible charge status and capacity information.

Cons

• Charger output is modest at 800mA per slot, so full recharge times are not as fast as high-current bench chargers.
• Designed specifically for NP-F plate types, so users with other battery systems will need adapters or different plates.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	5800mAh
Charger Input	5V 2-3A (15W)
Charger Output	8.4V 800mA (x1) or 800mA (x2)
Charging Ports	Micro-USB and Type-C inputs
Compatibility	Blackmagic Video Assist 5' and 7' monitors (NP-F750/NP-F770)

Our Verdict

The Kastar 2-Pack NP-F750/NP-F770 with LTD2 USB charger is a reliable, value-focused power solution for Blackmagic Video Assist users who need extra runtime and simple USB charging. It is especially useful for on-location shooting where portability and the ability to charge two batteries simultaneously matter; professional users needing very fast recharge currents should consider higher-current chargers instead.

Frequently Asked Questions

Are these batteries compatible with Blackmagic Video Assist monitors?
Yes, the pack is compatible with Blackmagic Design Video Assist 5' and 7' models that accept NP-F750/NP-F770 style batteries.

Can the charger charge two batteries at the same time?
Yes, the LTD2 charger supports charging two batteries simultaneously with 800mA output per slot.

What input options does the charger accept?
The charger accepts Micro-USB and Type-C inputs and includes a Micro-USB cable for convenient USB charging.