4000mAh VW-VBK360 3-Pack Battery and Dual USB Charger - Portable Power

In this review the Kastar 3-Pack VW-VBK360 Battery and LTD2 USB Charger is evaluated for camcorder owners who need reliable spare power. The bottom line: this kit is for users of Panasonic-compatible camcorders who want high-capacity replacements and a compact dual charger that can top up two batteries simultaneously. The review finds the 4000mAh Lithium-Ion cells and the intelligent USB dual charger deliver long runtime and convenient charging options for field use and travel.

Key Features

• High capacity battery: Each 4000mAh Lithium-Ion cell provides extended runtime for long shoots or backup power when changing batteries on the go.
• Dual charging: The charger can charge two batteries at the same time, saving time between sessions and reducing downtime.
• Interchangeable plate: You can change the charging plate to accept different battery shapes, increasing the charger utility for a range of compatible Panasonic packs.
• USB powered: The charger accepts Micro-USB and Type-C input and runs from a 5V 2-3A supply, making it easy to use with common power banks or wall adapters.
• Intelligent LED display: Built-in LED indicators show charging status and battery capacity so users can monitor progress without guessing.
• Portable design: The unit is compact and ships with a Micro USB cable, making it simple to pack for travel and field recording.

Who It's For

This kit is aimed at owners of older Panasonic camcorder models that accept VW-VBK360 and related batteries, and for videographers who prefer carrying multiple high-capacity spares rather than relying on a single cell. It also suits event shooters and travel videographers who need the flexibility of USB charging from power banks.

Those who should look elsewhere include people requiring OEM-branded batteries for warranty reasons or users whose cameras need a different voltage or non-compatible battery plate; verify model compatibility before buying to avoid mismatch.

Pros & Cons

Pros

• High 4000mAh capacity gives noticeably longer runtime than many stock packs.
• Dual charging capability speeds turnaround when multiple spares are used.
• USB input options (Micro-USB and Type-C) and supplied cable make charging flexible on the road.
• LED indicators provide clear charging status and capacity information.

Cons

• The charger relies on an external 5V 2-3A source for fastest charging, so a suitable adapter or power bank is required.
• As a third-party replacement, some users may prefer an original manufacturer pack for factory warranty alignment.

Specifications

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

Our Verdict

The Kastar 3-Pack with dual USB charger is a practical, cost-effective solution for Panasonic-compatible camcorder users who need multiple high-capacity replacements and flexible USB charging. It offers solid runtime, convenient dual charging, and portable power options, making it good value for field shooters and hobbyists who prioritize longer sessions and fast turnaround between batteries.

Frequently Asked Questions

Will these batteries fit my Panasonic camcorder?
They are compatible with cameras and camcorders listed for VW-VBK360, VW-VBK180, VW-VBL090 and VW-VBL180 series; check your camera model against the compatibility list before purchase.

Can the charger charge two batteries at the same time from a power bank?
Yes, the dual charger supports simultaneous charging but requires a 5V 2-3A power source to achieve recommended charge rates.

Does the kit include a Type-C cable?
The package includes a Micro USB cable; the charger accepts Type-C input as well but a Type-C cable is not included.