Kastar 4-Pack SB-L320 Battery and AC Charger - Reliable Power

In this review the Kastar 4-Pack SB-L320 Battery and AC Wall Charger is assessed for photographers who rely on Mamiya and Leaf medium format backs and cameras. The bottom line is simple: it is a practical, budget-friendly replacement power option that supplies a combined set of four 4800mAh lithium-ion batteries and a compact AC charger, making it ideal for long shoots or as a multi-battery backup kit. The review focuses on compatibility, run time, and everyday convenience for studio and field use.

Key Features

• High capacity battery: Each 4800mAh lithium-ion cell extends shooting time so users can complete longer sessions without frequent battery swaps.
• Wide charger input: The included AC wall charger accepts AC 100~240V 50~60Hz, making it usable in most countries with an appropriate plug adapter.
• Clear charge indicator: A simple LED shows red while charging and green when the battery is in standby or fully charged, removing guesswork during quick turnarounds.
• Compact charger design: The wall charger has a foldable flat pin for easy storage, which helps photographers pack light for travel or location work.
• Bundle convenience: The 4-pack arrangement delivers multiple spare batteries plus one charger, which is useful for multi-day shoots or teams who share power resources.

Who It's For

The kit is best suited for photographers using compatible Mamiya and Leaf medium format backs and cameras who need additional runtime without investing in original-brand batteries. Studio shooters, portrait photographers, and landscape photographers who travel will find value in having four ready batteries and a charger for fast turnover between sessions.

Those who need vehicle charging or a European plug supplied out of the box should look elsewhere or plan to purchase a separate car adapter or plug adapter, since the package includes only the AC charger with a foldable flat pin and does not include a car adapter or alternative plugs.

Pros & Cons

Pros

• High capacity 4800mAh Li-ion cells provide extended runtime compared with many standard replacement batteries.
• Charger supports 100~240V input, making it adaptable with local plug adapters for international travel.
• LED charging indicator is simple and effective for knowing charge status at a glance.

Cons

• Package does not include a car adapter or European plug option, which adds cost if those are required.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	4800mAh
Charger Input	AC 100~240V 50~60Hz
Charger Output	DC 8.4V 600mA
Indicator	LED red charging, green standby/full
Package Contents	4-Pack batteries + 1 AC wall charger

Our Verdict

The Kastar 4-Pack SB-L320 kit is a sensible, cost-effective solution for Mamiya and Leaf users who need multiple spare batteries and a compact charger. It offers reliable capacity and a travel-friendly charger input, making it good value for photographers who want dependable backup power rather than original-brand pricing. Buy this if you need plentiful runtime and simple charging; consider separate adapters if you require car charging or alternate plug types.

Frequently Asked Questions

Are these batteries compatible with Mamiya Leaf Aptus backs?
Yes, they are listed as compatible with a range of Mamiya and Leaf Aptus and AFi-II models including Aptus-II 12R, Aptus 17, Aptus 22, Aptus 65, Aptus 75 and others.

Does the package include a car charger or European plug?
No, the package includes only the AC wall charger with a foldable flat pin; car adapter and other region plugs are not included.

How does the charger show charge status?
The charger uses an LED that displays red while charging and green for standby or full charge, so users can tell status at a glance.