Kastar BN-VG138 Battery 4-Pack Replacement for JVC - Long Run Time

In this review the Kastar BN-VG138 Battery 4-Pack is assessed as a practical, cost-conscious replacement for owners of older JVC Everio camcorders. The bottom line: this kit is for users who need extended run time and a low-cost spare battery solution, because the four high capacity 4900mAh lithium-ion cells deliver noticeably longer recording sessions than typical stock cells. The reviewer found the pack straightforward to use, with reliable protection circuitry and compatibility with many BN-VG series models, making it a sensible choice for travel shooters and weekend videographers.

Key Features

• High Capacity: A 4900mAh rating provides longer continuous recording and reduces the need to swap packs on long shoots.
• Safety Protections: Built-in over-charge, over-discharge, over-current, over-voltage, and over-heating protection help safeguard both the battery and the camera during use.
• Wide Compatibility: Compatible with a range of JVC BN-VG series batteries and many Everio camera models, which eases replacement and spare planning.
• Lithium-ion Chemistry: The 3.7V lithium-ion design balances energy density and weight so the pack does not add significant bulk to camera setups.
• Value Pack: The 4-pack format supplies multiple spares at once, saving trips to the store and reducing downtime between charges.

Who It's For

This battery pack is best for owners of JVC Everio camcorders who need extended run times without paying for original manufacturer pricing. It suits hobbyists, event videographers, and travel users who benefit from carrying multiple charged packs instead of relying on a single battery or on-site charging.

It is less suitable for users who require official manufacturer warranty support or those with models outside the BN-VG series; professionals who demand OEM-certified parts or who need faster charging accessories should consider alternatives tailored to those requirements.

Pros & Cons

Pros

• High 4900mAh capacity extends usable recording time for camera sessions.
• Comprehensive protection circuit improves safety during charge and discharge cycles.
• Four batteries in one pack reduce interruptions and provide good value versus single purchases.

Cons

• Not an OEM battery, so users who prioritize original-brand parts may prefer an official replacement.

Specifications

Battery Type	Lithium-ion
Battery Voltage	3.7V
Battery Capacity	4900mAh
Pack Quantity	4-Pack
Safety Standards	UL1642 & CE (meets)
Protection Circuit	Over-charge, over-discharge, over-voltage, over-current, over-heating

Our Verdict

The Kastar BN-VG138 4-Pack is a practical, budget-friendly way to extend recording time for compatible JVC Everio cameras, offering strong capacity and built-in safety features. For users who need multiple spares and longer run times without a premium price, this pack represents good value, though those who require OEM parts or dealer support should weigh that preference before purchase.

Frequently Asked Questions

Will these batteries work in my BN-VG138 camera model?
Yes, the pack is compatible with BN-VG138 and many related BN-VG series models listed by the manufacturer.

Are these cells safe to use during travel?
The batteries include protection circuitry and meet UL1642 and CE safety standards, which help with safe everyday use and transport, but follow airline rules for lithium-ion batteries.

Does the pack include a charger?
The package includes four batteries only; a compatible JVC charger is required and is not included in the pack.