Kastar 2-Pack NP-F750 NP-F770 Battery + AC Wall Charger - Reliable

In this review the focus is on the Kastar 2-Pack NP-F750 / NP-F770 battery set with included AC wall charger, a practical power solution for videographers who use FEELWORLD on-camera field monitors. The bottom line: this kit is for users who need extended run time and a compact charger that works on global voltages. The reviewer found the twin 5800mAh lithium-ion cells deliver solid playback and monitoring time, while the foldable-pin AC charger offers a neat, travel-friendly way to top up between shoots.

Key Features

• High capacity cells: Each 5800mAh lithium-ion battery provides longer runtime for extended shoots or monitoring sessions, reducing the need to swap batteries frequently.
• Compatible voltage: The 7.4V battery voltage matches NP-F750 / NP-F770 style monitors so users can expect reliable performance with compatible FEELWORLD models.
• Global AC input: The charger accepts AC 100~240V 50~60Hz which makes it suitable for international travel with a local plug adapter.
• Simple status LEDs: Red indicates charging and green signals standby or full charge, making it easy to see battery state at a glance on location.
• Compact charger design: The AC wall charger features a foldable flat pin for convenient storage and reduced bulk in a camera bag.

Who It's For

The Kastar 2-Pack is aimed at independent filmmakers, on-camera shooters, and video professionals who use FEELWORLD FW568 V2, FW703, FW759 and similar monitors and need reliable spare batteries. It suits users who prefer carrying two extra cells to cover half-day or full-day shoots without access to mains power.

Those who require vehicle charging, a European plug or brand-authorized OEM batteries may need different kits, since the package includes only the AC charger with a flat pin and does not include a car adapter or additional regional plugs.

Pros & Cons

Pros

• High 5800mAh capacity delivers noticeably longer runtime than many standard NP-F-style cells.
• Charger supports 100~240V input so it can be used worldwide with an adapter.
• Foldable flat-pin charger stores neatly and the LED indicators are clear and easy to read.
• Package includes two batteries plus one charger, which is convenient for multi-hour shoots.

Cons

• Package does not include a car adapter or European plug, so additional accessories may be required for some users.
• The charger output is 8.4V 600mA which charges at a modest rate compared with higher-current chargers.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	5800mAh
Charger Input	AC 100~240V 50~60Hz
Charger Output	DC 8.4V 600mA
Indicator	LED red charging, green standby/full
Package Contents	2-Pack batteries + 1 AC charger (car adapter/European plug not included)

Our Verdict

The Kastar 2-Pack NP-F750 / NP-F770 kit is a practical, value-minded choice for camera operators who need dependable extra runtime for FEELWORLD monitors. It pairs high-capacity 5800mAh cells with a compact, travel-friendly AC charger, making it a good buy for run-and-gun shoots; users who need vehicle charging or faster recharge speeds should budget for optional accessories.

Frequently Asked Questions

Will these batteries work with FEELWORLD FW568 V2?
Yes, the kit is listed as compatible with the FEELWORLD FW568 V2 and other NP-F750 / NP-F770 style monitors.

Does the package include a car charger or European plug?
No, the package includes two batteries and one AC wall charger only; a car adapter and additional regional plugs are not included.

How does the charger indicate full charge?
The charger uses an LED: red while charging and green for standby or full-charge.