Kastar IA-BP85ST 4-Pack Battery and Dual USB Charger - Reliable Power

In this review the Kastar IA-BP85ST 4-pack battery and dual USB charger is examined for users who need reliable spare power for a selection of Samsung camcorders. The bottom line: this kit is for photographers and videographers who want a compact, replaceable set of Lithium-Ion batteries plus a flexible charger that can top up two batteries at once or switch plates for alternate battery types. It is straightforward to use, includes a Micro-USB cable, and aims to replace aging or lost batteries without introducing compatibility hassles.

Key Features

• Battery Type: The 1400mAh Lithium-Ion cells provide a balance of capacity and weight so you can record longer without adding bulk to your kit bag.
• Dual charging: The charger can charge two batteries simultaneously, saving time when preparing for extended shoots or travel days.
• Interchangeable plate: A removable plate allows the charger to accommodate compatible battery shapes, increasing its usefulness across models.
• USB powered: With Micro-USB and Type-C input options and a 5V 2-3A input rating, the charger runs from portable power banks or standard USB adapters for on-location charging.
• LED status: Intelligent LED indicators show charging progress and estimated battery capacity so you can monitor power at a glance.
• Compact design: The charger and extra batteries are easy to carry and fit into camera bags without taking much space.

Who It's For

This kit suits hobbyists and semi-pros who own compatible Samsung camcorders and need several ready-to-go batteries for shoots, events, or travel. It is particularly useful for anyone who values the convenience of charging two batteries at once and the flexibility to use USB power sources in the field.

Those who should look elsewhere include users requiring OEM-branded batteries with manufacturer warranty service, or professionals who demand the absolute highest-capacity cells for marathon shooting sessions; this kit prioritizes compatibility and portability over extreme capacity.

Pros & Cons

Pros

• Includes four 7.4V 1400mAh Lithium-Ion batteries so you have multiple spares ready.
• Dual USB charger can charge two batteries simultaneously and accepts Micro-USB or Type-C input for flexible power options.
• Intelligent LED indicators provide clear charging status and estimated capacity at a glance.
• Compact and portable design that fits into a camera bag easily.

Cons

• Capacity is 1400mAh which is adequate but not the highest available, so very long continuous shooting may require more spares.

Specifications

Battery Type	Lithium-Ion
Battery Voltage	7.4V
Battery Capacity	1400mAh
Charger Input	5V 2-3A (USB)
Charger Output	8.4V 800mA x1 or 800mA x2
Includes	4 batteries, dual USB charger, Micro-USB cable
Compatibility	Samsung IA-BP85ST / IA-BP85NF compatible camcorders

Our Verdict

The Kastar 4-pack IA-BP85ST and dual USB charger is a practical, affordable option for owners of compatible Samsung camcorders who need multiple spare batteries and flexible charging on the go. It offers good value through its interchangeable plate, dual-battery charging, and USB power options; choose it if you prioritize portability and reliable backup power over the highest possible cell capacity.

Frequently Asked Questions

Will these batteries work in my Samsung camcorder?
They are compatible with Samsung IA-BP85ST and IA-BP85NF battery models and a long list of Samsung HMX, SC, SMX and VP model camcorders listed by Kastar.

Can the charger charge two batteries at the same time?
Yes, the charger supports simultaneous charging of two batteries with an output of 8.4V 800mA for each when two are inserted.

What cable is included?
The kit includes a Micro-USB cable, and the charger accepts both Micro-USB and Type-C input for flexible charging sources.