Kastar 3-Pack SSL-JVC50 Battery and CH04 Dual Fast Charger - Long Run

In this review the Kastar 3-Pack SSL-JVC50 battery set with the CH04 LCD dual fast charger is evaluated for videographers who need extended runtimes and flexible charging for JVC camcorders. The bottom line: this kit is aimed at users who shoot long events or need reliable spare power, and the single biggest reason to buy is the combination of high 5200mAh lithium-ion capacity batteries with an intelligent LCD dual charger that can handle two cells simultaneously and prevent overcharge.

Key Features

• High capacity batteries: Each replacement battery is 5200mAh and 7.4V, delivering noticeably longer runtime compared to many factory cells for extended shoots.
• Wide charger input: The CH04 dual fast charger accepts 110-240V worldwide input, making it practical for travel and location work without a step-down transformer.
• Intelligent charging control: The charger uses MCU control to identify battery voltage and switch to an intelligent charge mode that helps prevent overcharge and extends battery life.
• LCD status display: The chargereatures an LCD that shows charging status and battery capacity for both bays, which simplifies battery management during a shoot day.
• Versatile battery compatibility: The charger supports batteries from 6.8V to 16.8V and different plate types, so it can work with a range of digital camera batteries beyond the supplied pack.

Who It's For

The kit is best for independent shooters, ENG operators, documentary filmmakers, and event videographers who rely on JVC GY-series camcorders and need multiple spare batteries ready to swap. The long 5200mAh cells make it easy to cover long runs without frequent battery changes.

Those who should look elsewhere include buyers who need manufacturer original branded batteries for warranty or specific OEM certification, or users who only need a single light battery for casual consumer use rather than a three-pack with a dual fast charger.

Pros & Cons

Pros

• Three high-capacity replacement batteries provide extended runtime for long shoots.
• Dual fast charger with LCD lets you charge two batteries at once and monitor status.
• Wide 110-240V input and broad voltage support add flexibility for international use.

Cons

• The batteries are third-party replacements rather than OEM, which may be a consideration for users who prefer original manufacturer cells.

Specifications

Our Verdict

For pros and serious hobbyists who use compatible JVC camcorders, this Kastar 3-pack plus CH04 charger is a practical value: the large 5200mAh batteries and intelligent LCD dual charger reduce downtime and simplify power management on location. It is a cost-effective alternative to OEM packs when extended runtime and flexible charging are the priorities.

Frequently Asked Questions

Are these batteries compatible with JVC GY-HM250 series?
Yes, the pack is listed as compatible with the GY-HM250 and several other GY-HM series camcorders.

Can the CH04 charger charge two batteries at once?
Yes, the CH04 is a dual fast charger and can charge two batteries simultaneously while showing status on the LCD.

Will the charger work overseas?
Yes, the charger accepts 110-240V input so it is suitable for international use.