2400mAh 2-Pack Battery with LTD2 USB Dual Charger - Kastar

In this review the Kastar 2-Pack Battery and LTD2 USB Charger package is examined for casual videographers and owners of compatible JVC camcorders who need dependable backup power. The bottom line is that this kit delivers straightforward, high-capacity replacements and a flexible dual USB charger that can top up two Lithium-Ion batteries at once; the combination of 2400mAh capacity batteries and an intelligent charger makes it a practical, budget-friendly option for extended shoots and travel where original manufacturer packs are unavailable.

Key Features

• Lithium-Ion 2400mAh: The higher capacity keeps cameras running longer between swaps so users can shoot more footage without interruption.
• Dual charging: The LTD2 charger can charge two batteries simultaneously, reducing downtime when multiple spares are used on a shoot.
• Swappable plate design: The charger accepts a changeable plate so it can be adjusted to fit different compatible battery plates for multiple JVC models.
• Multiple input options: Micro-USB and Type-C inputs plus a supplied Micro-USB cable let users power the charger from a power bank, wall adapter, or laptop.
• LED charge indicators: The intelligent LED display shows charging status and remaining battery capacity so it is easy to monitor charge progress at a glance.

Who It's For

This kit is best for owners of JVC camcorders that use BN-VF707, BN-VF714, or BN-VF7332 style batteries who need a reliable, higher-capacity replacement and the convenience of charging two cells at once. It suits travel shooters, event videographers, and hobbyists who prefer carrying multiple spare batteries and topping them from portable USB power sources.

It is less suitable for users who require OEM-branded accessories for warranty reasons or those who need specialized fast-charging beyond the charger's 800mA per slot output. Professional crews who demand factory-certified batteries or integrated onboard charging solutions may want to evaluate pro-grade alternatives.

Pros & Cons

Pros

• Good runtime from each 7.4V 2400mAh Lithium-Ion cell compared with many stock batteries.
• Dual charging capability minimizes downtime when using multiple spares on a long shoot.
• Flexible USB inputs and included cable mean the charger is portable and easy to use in the field.

Cons

• Charger output is 800mA per slot, so charging two batteries can take several hours; not the fastest possible rate.

Specifications

Battery Type	Lithium-Ion
Voltage	7.4V
Capacity	2400mAh
Charger Input	5V 2-3A (15W)
Charger Output	8.4V 800mA (x1) or 800mA (x2)
Compatibility	BN-VF707, BN-VF714, BN-VF7332 and many JVC GZ-MG series camcorders

Our Verdict

The Kastar 2-Pack with LTD2 USB dual charger is a practical value buy for JVC camcorder owners who want extended runtime and the convenience of USB charging. With reliable 2400mAh cells, dual-slot charging and swappable plates, it covers the needs of most hobbyists and mobile shooters, though those needing the fastest charge speeds or strict OEM parts should consider other options.

Frequently Asked Questions

Will these batteries fit my JVC GZ-MG21?
Yes, the pack is listed compatible with the GZ-MG21 series and uses the same battery form factors BN-VF707/714/7332.

Can the charger be powered from a power bank?
Yes, the charger accepts Micro-USB or Type-C input and can be run from a power bank, laptop USB port, or wall adapter that provides the required 5V 2-3A input.

How long does a full charge take?
Charging time varies by remaining battery level and whether one or two batteries are charged; at 800mA per slot expect several hours for a full 2400mAh cell.