Kastar IA-BP85ST 3-Pack Battery and USB Dual Charger - Portable Power

In this review the Kastar IA-BP85ST 3-pack and USB dual charger is assessed for videographers and camera owners who need reliable spare power. The bottom line: it is a practical, compact kit that replaces Samsung IA-BP85 series batteries and offers a flexible dual charging option via USB, making it ideal for travel or field shoots where a wall outlet may not be available. The reviewer found the kit most compelling for users seeking multiple charging options and quick visual feedback on battery status.

Key Features

• Battery Type: The included 7.4V lithium-ion 1400mAh batteries deliver consistent runtime for compatible Samsung camcorders so users get predictable recording time between charges.
• Dual Charging: The charger can charge two batteries simultaneously which reduces downtime when preparing for long shoots.
• Interchangeable Plate: The charger allows changing the plate to charge different battery contact patterns, adding flexibility for multiple battery types.
• USB Power Input: Micro-USB and Type-C input options and a 5V 2-3A 15W input rating let you use power banks or laptop ports to charge on the go.
• Charging Indicators: Intelligent LED indicators display charging status and approximate battery capacity so users can see progress at a glance.
• Portable Design: The kit is lightweight and easy to carry, making it convenient for travel and outdoor shoots where space is limited.

Who It's For

The Kastar 3-pack is aimed at owners of older Samsung camcorder models that use IA-BP85ST or IA-BP85NF style batteries and need an affordable replacement and charger combo. It is especially useful for videographers who travel, shoot events, or work in the field and want the convenience of USB charging from power banks or car adapters.

It is less suitable for users who require OEM-branded batteries for manufacturer warranty reasons or for cameras with different battery form factors; buyers should confirm model compatibility before purchasing.

Pros & Cons

Pros

• Includes three 7.4V 1400mAh lithium-ion batteries for extended runtime without frequent recharging.
• Dual-bay charger can charge two batteries at once, cutting total charge time between battery sets.
• USB input options and an included Micro USB cable provide flexible charging from power banks and USB chargers.
• LED indicators provide clear, at-a-glance charging status and capacity information.

Cons

• The batteries are third-party replacements rather than OEM, which may concern buyers who prefer original manufacturer parts.
• The kit includes a Micro USB cable but not a Type-C cable or a dedicated wall adapter, so additional cables or adapters may be needed for some users.

Specifications

Our Verdict

The Kastar IA-BP85ST 3-pack with a USB dual charger is a strong value for owners of compatible Samsung camcorders who need extra runtime and flexible charging options. Its dual-bay design, clear LED indicators, and USB input make it especially useful for travel and field work, though buyers seeking OEM parts or a complete cable set should plan accordingly.

Frequently Asked Questions

Will these batteries work with my Samsung HMX-H100 camcorder?
Yes, the pack lists compatibility with HMX-H100 and other IA-BP85 series models, but confirm your camera uses the IA-BP85 battery type.

Can the charger run from a power bank?
Yes, the charger accepts 5V USB input and can be powered by a suitably rated power bank using the included Micro USB cable or a Type-C cable.

How many batteries can charge at once and how is status shown?
The charger can charge two batteries simultaneously and uses intelligent LED indicators to show charging status and approximate capacity.