Kastar 4-Pack Battery and AC Wall Charger Replacement for Sony A700

In this review the Kastar 4-Pack Battery and AC Wall Charger replacement is examined for photographers who need extended runtime with legacy Sony Alpha cameras. The set bundles four 2400mAh lithium-ion cells and a compact AC charger with a foldable flat pin, offering straightforward, affordable spare power for extended shoots or travel. The single biggest reason to buy is the combination of high-capacity batteries and a simple charger that supports global AC input, which makes it a practical, no-frills solution for owners of Sony NP-FM500H-compatible cameras.

Key Features

• High capacity battery: Each 2400mAh lithium-ion cell provides extended runtime so photographers can shoot longer between charges.
• Wide voltage compatibility: The batteries deliver 7.4V, matching NP-FM500H requirements and ensuring safe operation in compatible Sony bodies.
• Compact AC charger: The included charger has a foldable flat pin for compact storage and easy packing when traveling.
• Global input range: Charger input of AC 100~240V 50~60Hz makes it usable in many countries without a voltage converter.
• Clear LED indicators: A red light shows charging while green indicates standby or full charge, making status easy to monitor.
• Value pack: The 4-pack format supplies multiple spares so users can keep charged replacements on hand for multi-day shoots.

Who It's For

The Kastar 4-pack is aimed at photographers using Sony DSLRs that accept NP-FM500H batteries, such as A700 and A850 series cameras, who need reliable spare power for events, travel, or long shooting sessions. It is especially useful for hobbyists and prosumer shooters who prefer carrying multiple charged batteries rather than relying on battery grips or frequent recharging.

Those who should look elsewhere include users who require OEM-branded batteries for warranty reasons or those needing an in-car adapter or European plug, since the package does not include a car adapter or alternate plug types. Also, buyers who require USB charging or smart charging features may want a different charger.

Pros & Cons

Pros

• High 2400mAh capacity provides noticeably longer shooting time than many stock batteries.
• Charger supports global AC input (100~240V) so it works on international trips without a converter.
• Foldable flat pin on the charger reduces bulk and stores neatly in camera bags.

Cons

• Package lacks a car adapter or alternate plug options, limiting on-the-road charging without extra accessories.
• The charger is basic and does not include advanced charging modes beyond LED status indication.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	2400mAh
Charger Input	AC 100~240V 50~60Hz
Charger Output	DC 8.4V 600mA
LED Indicator	Red charging / Green standby or full
Package Contents	4-Pack batteries + 1 AC wall charger

Our Verdict

The Kastar 4-Pack battery and AC wall charger is a practical, cost-effective option for Sony Alpha users who need multiple spares and straightforward charging. It delivers high 2400mAh capacity and a compact charger with global input, making it good value for extended shoots and travel; buyers who need car charging or advanced charger features should plan to add those accessories separately.

Frequently Asked Questions

Are these batteries compatible with Sony NP-FM500H?
Yes, the pack is intended as replacements compatible with NP-FM500H-designated Sony models.

Does the charger work worldwide?
The charger accepts AC 100~240V 50~60Hz, so it supports global voltages but you may need a local plug adapter for different outlets.

Is a car adapter included?
No, the package includes four batteries and one AC wall charger only; a car adapter and European plug are not included.