Kastar 4000mAh VW-VBK360 Battery 2-Pack with Dual USB Charger

In this review the Kastar 2-Pack VW-VBK360 battery kit is assessed for camcorder users who need extended run time and convenient charging. The bottom line: this set pairs two high-capacity 4000mAh Lithium-Ion batteries with an intelligent dual USB charger that can handle two cells at once, making it ideal for long shoots, travel, and backup power. The reviewer found the kit straightforward to use, compatible with the listed Panasonic camcorder models, and notable for its flexible input options and clear LED charge indicators.

Key Features

• High capacity: The 4000mAh battery capacity provides substantially longer runtime than typical stock cells, allowing extended recording between charges.
• Dual charging: The charger can charge two batteries simultaneously, saving time during busy shoots where quick turnover is needed.
• Interchangeable plate: The charger includes a changeable plate to support different compatible battery contacts for broader usability.
• Multiple inputs: Micro-USB and Type-C input options let users charge from modern power banks, USB chargers, or a laptop when AC power is unavailable.
• Smart LED display: The intelligent LED indicators show charging status and relative battery capacity so you can monitor progress at a glance.
• Portable power: With a 5V 2-3A input and a compact charger design, the kit is easy to carry for field work or travel.

Who It's For

This kit is aimed at videographers and casual camcorder users who own compatible Panasonic models such as the HC-V500 series and related cameras and need dependable spare power for long shoots, events, or travel. The higher 3.6V 4000mAh cells are particularly useful for anyone who records extended material or cannot stop to recharge frequently.

Users who prefer original manufacturer batteries for warranty reasons or who need model-specific OEM chargers should look elsewhere. Also, those who require integrated AC adapters or multi-voltage professional chargers may prefer a dedicated studio charger instead of a compact USB-based unit.

Pros & Cons

Pros

• Two high-capacity 4000mAh batteries provide much longer runtime than typical replacement cells.
• Charger supports charging two batteries at once and has a removable plate for compatibility with multiple battery types.
• Multiple input options including Micro-USB and Type-C plus a clear LED status display make field charging convenient.

Cons

• The charger is USB powered only and relies on an external 5V power source, so it is not a direct AC wall charger.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	3.6V
Battery Capacity	4000mAh
Charger Input	5V 2-3A (15W)
Charger Output	4.2V 800mA x1 or 800mA x2
Inputs	Micro-USB and Type-C (included Micro USB cable)

Our Verdict

The Kastar 2-Pack with dual USB charger is a sensible value for users of compatible Panasonic camcorders who need reliable extended runtime and flexible charging on the go. It is a practical upgrade for event videographers and travelers thanks to its 4000mAh cells and dual-charge convenience, though buyers should be prepared to supply a USB power source since the charger is USB powered.

Frequently Asked Questions

Are these batteries compatible with my HC-V500 series camcorder?
Yes, the pack lists compatibility with VW-VBK360 and related Panasonic battery models and specifically calls out HC-V500 series models in the compatibility list.

Can the charger charge two batteries at the same time?
Yes, the charger is designed to charge two batteries simultaneously at up to 800mA each, and it also accepts either Micro-USB or Type-C input.

Does the kit include a USB cable and wall adapter?
The kit includes a Micro USB cable; a wall adapter is not included so use an existing 5V 2-3A USB power source or power bank.