Kastar AG-VBR89G Battery and LTD2 USB Charger - High Capacity Power

In this review the Kastar 1-Pack AG-VBR89G Battery with the LTD2 USB dual charger is evaluated for shooters who need reliable spare power for Panasonic-compatible cinema and prosumer cameras. The bottom line: this kit delivers a high-capacity 8850mAh Lithium-Ion cell and a compact, USB-powered charger that can top up one or two batteries, making it a practical choice for on-location crews or solo operators who need extra run time without carrying bulky mains chargers.

Key Features

• High capacity battery: The 8850mAh, 7.4V lithium-ion cell extends run time significantly compared with typical OEM cells, so cameras stay running longer on shoots.
• Dual battery charging: The LTD2 charger can charge two batteries simultaneously, which speeds turnaround when you need multiple charged packs ready.
• USB input options: The charger accepts Micro-USB and Type-C input and includes a Micro USB cable, so it can be powered from power banks or USB wall adapters on location.
• Adjustable plate: The charger lets you change the plate to handle different compatible battery plates, increasing its versatility for several Panasonic models.
• Intelligent LED display: The charger shows charging status and battery capacity via LEDs so you can see progress at a glance without guesswork.
• Compact, portable design: With a 5V 2-3A input and low 15W draw, the charger is easy to carry and fits into most camera bags for travel shoots.

Who It's For

This kit is aimed at cinematographers, documentary shooters, and event videographers using Panasonic cameras that accept AG-VBR89G-style batteries, especially those who work away from studio power and rely on power banks or USB chargers. The long capacity and USB charging make it especially useful for day-long runs where swapping batteries quickly is critical.

It is not aimed at users who require original-brand batteries for warranty or official service reasons, or at those who need very fast high-wattage professional charging from AC-only charging stations; the LTD2 is optimized around USB power levels rather than high-current AC docking stations.

Pros & Cons

Pros

• High 8850mAh capacity provides long camera runtimes for extended shoots.
• Dual charging capability reduces downtime when multiple batteries are needed.
• USB input with Micro-USB and Type-C support enables flexible charging from power banks or USB adapters.

Cons

• Charging speed is limited by USB input levels, so it is slower than some AC-only chargers.
• Third-party battery may not match OEM warranty or service expectations for some users.

Specifications

Battery type	Lithium-Ion
Battery voltage	7.4V
Battery capacity	8850mAh
Charger input	5V 2-3A (15W)
Charger output	8.4V 800mA x1 or x2
Inputs supported	Micro-USB and Type-C (Micro USB cable included)

Our Verdict

The Kastar AG-VBR89G replacement battery and LTD2 USB dual charger is a sensible, value-oriented choice for freelancers and small crews who need long battery life and flexible USB charging on location. It pairs a high-capacity 8850mAh pack with a compact charger that handles two batteries, delivering reliable extended runtime without heavy mains chargers.

Frequently Asked Questions

Is this battery compatible with Panasonic AG-CX350?
Yes, the pack is listed as compatible with Panasonic models including the AG-CX350 when the camera uses AG-VBR89G/AG-VBR89-style batteries.

Can the charger run from a power bank?
Yes, the LTD2 accepts 5V USB input and will operate from most power banks that can supply 2-3A.

Does the charger come with cables?
The product includes a Micro USB cable and also supports Type-C input if you provide a Type-C cable.