Kastar 2300mAh 4-Pack Batteries with AC Charger - 7.4V Power

In this review the Kastar 4-Pack bundle is evaluated for videographers and photographers who need dependable replacement power for older Sony cameras and camcorders. The biggest reason to buy is clear: four 7.4V 2300mAh lithium-ion batteries plus a compact AC wall charger give extended shooting time and a simple charging workflow without needing extra adapters. The reviewer found the pack especially useful for long shoots or travel when swapping batteries keeps production going and the foldable flat pin charger is easy to store.

Key Features

• Compatibility: Works with a long list of Sony NP-FM and NP-QM series batteries so users of legacy cams get straightforward replacements.
• Battery capacity: Each 2300mAh cell provides extended run time so a pair of batteries can cover a typical day of shooting or event work.
• Charger design: The included AC wall charger has a foldable flat pin for compact storage and travel convenience.
• LED status: The charger uses a red LED while charging and green when on standby or fully charged so charge state is easy to see at a glance.
• Wide input range: The charger accepts AC 100~240V 50~60Hz which makes it usable in most countries with the correct plug adapter.

Who It's For

This bundle suits DSLR and camcorder owners using older Sony NP-FMxx and NP-QMxx batteries who want multiple spare cells without hunting individual replacements. Wedding shooters, event videographers and hobbyists running extended sessions will appreciate having four batteries so they can rotate power without downtime.

Shoppers who need vehicle charging or a European plug in the box should note the package does not include a car adapter or European plug, so those users should plan to buy a separate adapter or look for a kit that includes those accessories.

Pros & Cons

Pros

• Four high-capacity 2300mAh lithium-ion batteries provide substantial extra runtime for cameras and camcorders.
• The included AC charger is compact with a foldable flat pin for easy storage and travel.
• Clear LED indicators show charging and full-charge states for straightforward monitoring.

Cons

• The package omits a car adapter and European plug, so additional accessories may be required for some users.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	2300mAh
Charger Input	AC 100~240V 50~60Hz
Charger Output	DC 8.4V 600mA
Included Items	4-Pack Batteries + 1 AC charger

Our Verdict

The Kastar 4-Pack with AC charger is a pragmatic choice for owners of Sony NP-FM and NP-QM battery cameras who need reliable spare power without breaking the bank. With 2300mAh cells and a compact charger, it delivers good value for extended shooting sessions, though buyers needing car or European charging will want to add the appropriate adapters.

Frequently Asked Questions

Are these batteries compatible with my NP-FM50?
Yes, the pack lists compatibility with NP-FM50 and other NP-FM and NP-QM series batteries.

Does the charger work worldwide?
The charger accepts AC 100~240V 50~60Hz, but it does not include a European plug, so you may need a local plug adapter.

Is a car adapter included?
No, the package does not include a car adapter; only the AC wall charger is included.