Kastar 4-Pack Battery Replacement for Canon GL2 and Optura - High

In this review the reviewer tested the Kastar 4-Pack Battery Replacement to see if it is a practical long-run power option for older Canon camcorders and prosumer models. The bottom line: this kit is aimed at users who need extended runtime and fewer mid-shoot battery swaps, because the high capacity 8700mAh cells deliver substantially longer recording sessions than many original smaller packs. It is a straightforward swap-in replacement for many Canon models and ships as a convenient 4-pack for those who shoot long events or who maintain multiple cameras.

Key Features

• High Capacity: The 8700mAh, 7.4V lithium-ion cells provide extended run time so a camera can record longer between charges, reducing interruptions during shoots.
• Compatibility: Works with many Canon battery models and an extensive list of cameras, making it useful for owners of GL2, MV series, Optura and several UC/ES professional series cameras.
• Safety Protections: Built-in protection against over-charge, over-discharge, over-voltage, over-current and over-heating helps protect both the battery and the camera when in use.
• Standards Compliance: Cells meet UL1642 and CE safety standards so the pack follows common safety benchmarks for lithium-ion replacements.
• Value Pack: The package includes four batteries, which is practical for multi-day events, backups, or multi-camera setups and reduces the need to recharge on location.

Who It's For

This set is best for videographers and event shooters who use older Canon camcorders such as the GL2, Optura, MV and several UC series models and who need longer runtime and simple, affordable replacements. The four-pack format suits wedding shooters, indie filmmakers, or camera rental shops that require several spare batteries ready to go.

Users who need a single OEM-style battery or who operate the very newest digital cinema cameras should look elsewhere; this replacement targets legacy Canon models and those who accept third-party batteries for improved run time and lower cost per hour of use.

Pros & Cons

Pros

• High capacity cells meaning noticeably longer recording between charges compared with many original packs.
• Comes as a 4-pack which is convenient for multi-camera setups or extended shoots without frequent recharging.
• Includes built-in safety protections and meets common safety standards for consumer lithium-ion packs.

Cons

• Third-party replacement batteries may not offer the exact same fit or firmware-level communication as factory batteries on every camera model.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	8700mAh
Package Contents	4-Pack Batteries
Safety Standards	UL1642, CE
Protection Circuitry	Over-charge, over-discharge, over-voltage, over-current, over-heating

Our Verdict

The Kastar 4-Pack is a practical, cost-effective replacement for owners of compatible Canon camcorders who need long run times and multiple spares. With high capacity 8700mAh cells and standard safety protections, it delivers strong value for event shooters and multi-camera operators, provided they accept a third-party battery solution.

Frequently Asked Questions

Will these batteries fit my Canon GL2?
Yes, the pack lists compatibility with GL2 and related Canon models; verify your camera battery part number against the compatible battery models included in the product listing.

How many batteries are included?
Four batteries are included in the package, making it ideal for extended shoots or multi-camera setups.

Are these batteries safe to use?
Yes, the cells meet UL1642 and CE standards and include built-in protection circuits for charge, discharge, voltage, current and temperature.