Kastar 3-Pack CGA-DU21 Battery and AC Charger - Long Run Power

In this review the Kastar 3-Pack CGA-DU21 battery and AC wall charger is examined for camcorder owners who need reliable spare power. The bottom line: this kit is for users of older Panasonic PV-GS series cameras who want a simple, cost-effective replacement with high capacity and a compact charger. The reviewer found the three 2900mAh lithium-ion batteries provide noticeably longer runtime than original cells, and the included AC charger with foldable flat pin and LED indicators makes charging straightforward and travel-friendly.

Key Features

• High capacity battery: Each 7.2V 2900mAh lithium-ion cell extends recording time so users can shoot longer without swapping batteries frequently.
• Charger compatibility: The AC wall charger accepts 100~240V 50~60Hz input, allowing use in many regions with the right plug adapter and stable 8.4V 600mA output.
• LED status indicators: The red charging and green full/standby lights make it easy to confirm charge progress at a glance.
• Compact foldable plug: The charger foldable flat pin stores neatly, saving space in camera bags and reducing the chance of pin damage.
• Three-battery pack: Including three batteries in one kit is convenient for long shoots or when replacing multiple old cells at once.

Who It's For

This kit is best for owners of Panasonic PV-GS series camcorders listed in the compatibility notes who need extra runtime for events, travel, or extended recording sessions. Videographers who prefer carrying a set of charged spares will find the three batteries useful, and hobbyists who want a straightforward charger with status LEDs will appreciate the simplicity.

It is not aimed at users who require in-car charging or European plug adapters, since the package does not include a car adapter or EU plug; those buyers should plan to obtain the appropriate adapter separately. Also, buyers wanting official manufacturer-branded parts may prefer to source original replacement batteries instead.

Pros & Cons

Pros

• High 2900mAh capacity offers longer run time compared with many older cells.
• Three batteries included so users can keep multiple spares charged and ready.
• Charger has universal 100~240V input and clear LED status for easy use when traveling with a local plug adapter.
• Foldable flat pin design keeps the charger compact and protected during transport.

Cons

• Car adapter and European plug are not included, so additional adapters may be required for some users.
• Compatibility is limited to specific older Panasonic models, so it is not a universal camcorder solution.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.2V
Battery Capacity	2900mAh
Charger Input	AC 100~240V 50~60Hz
Charger Output	DC 8.4V 600mA
Package Contents	3-Pack Batteries + 1 AC charger
LED Indication	Red charging, Green full/standby

Our Verdict

The Kastar 3-Pack CGA-DU21 kit is a practical value buy for owners of compatible Panasonic PV-GS camcorders who need reliable, higher-capacity spare batteries and a compact charger. With three 2900mAh lithium-ion cells and a travel-friendly AC charger, it delivers extended runtime and simple charging, though users should plan for any regional plug or car charging needs separately.

Frequently Asked Questions

Are these batteries compatible with PV-GS29 and similar models?
Yes, the pack lists compatibility with Panasonic CGA-DU21 and a range of PV-GS models; use the product notes to confirm your exact camera model.

Does the charger work outside the US?
The charger accepts 100~240V 50~60Hz input, so it will work with the correct local plug adapter, but an EU plug is not included.

Is a car adapter included?
No, the package includes three batteries and one AC wall charger only; car adapters must be purchased separately.