Kastar CGR-D28 2-Pack Battery and LTD2 USB Charger - Dual Charge Kit

In this review of the Kastar CGR-D28 2-Pack Battery and LTD2 USB Charger replacement kit, the bottom line is simple: it is for camcorder users who need affordable, high-capacity spares and a flexible dual charger. The reviewer found the two 3300mAh lithium-ion batteries and the compact charger deliver solid runtime and convenient charging for older Panasonic camcorders, with the charger able to handle two batteries at once and swap plates to accept related sizes. If you own any of the listed Panasonic battery models or cameras and want a portable backup system, this kit is aimed at that need.

Key Features

• High capacity battery: Each 7.4V 3300mAh lithium-ion cell provides prolonged recording time compared with many original lower-capacity replacements.
• Dual charging: The LTD2 USB charger charges two batteries simultaneously so you can maintain a pair of ready spares without waiting.
• Interchangeable plate: The charger can change the plate to accept different compatible battery sizes, adding flexibility for multiple battery models.
• Multiple input options: The charger accepts Micro-USB and Type-C input and ships with a Micro USB cable for easy power from a power bank or USB wall adapter.
• Clear LED indicators: Intelligent LED status lights show charge progress and battery presence so users can monitor capacity at a glance.
• Portable design: The charger is compact and draws 5V 2-3A input, making it practical for travel and field work.

Who It's For

This kit suits video hobbyists, event shooters, and camera operators who use older Panasonic camcorders and need dependable spare power without buying manufacturer-branded packs. The higher 3300mAh capacity is useful for longer shoots and for anyone who prefers to carry multiple batteries rather than rely on outlets.

It is less appropriate for users who require original manufacturer warranty support or ultra-high-current professional chargers; likewise, if you only need a single battery or a camera-specific smart charger with camera-linked communication, this universal-style kit may be more than required.

Pros & Cons

Pros

• Two 3300mAh batteries provide extended runtime compared with many stock replacements.
• Dual USB charging and simultaneous two-battery charging reduce downtime between shoots.
• Interchangeable plate and dual input types add versatility for different battery sizes and power sources.
• LED indicators make it easy to track charging status without extra tools.

Cons

• The kit is an aftermarket replacement and does not substitute for original manufacturer warranty or camera-linked battery reporting.
• The charger output is limited to 800mA per slot, so charging is not as fast as some high-current dedicated chargers.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	3300mAh (each)
Charger Input	5V 2-3A (USB, 15W)
Charger Output	8.4V 800mA x1 or 800mA x2
Charging Options	Micro-USB input, Type-C input; Micro USB cable included

Our Verdict

The Kastar CGR-D28 2-Pack with LTD2 USB charger is a practical, value-focused solution for owners of compatible Panasonic camcorders who need longer runtime and a portable dual charger. Its interchangeable plate and dual USB inputs make it flexible for field use, and the 3300mAh cells provide notable extra capacity at a reasonable price.

Frequently Asked Questions

Will these batteries work in my Panasonic camcorder?
They are compatible with listed Panasonic models that use CGR-D28, CGR-D16, or CGR-D08 family batteries; check your camera's battery model to confirm.

Can the charger charge two batteries at the same time?
Yes, the LTD2 USB charger can charge two batteries simultaneously at up to 800mA per slot.

What cables are included?
The kit includes a Micro USB cable and the charger accepts both Micro-USB and Type-C inputs for flexible power sources.