Kastar 4-Pack BP-U98 Battery Replacement for Sony Cameras - Long Run

Our review of the Kastar 4-Pack BP-U98 battery replacement finds it best suited to professional shooters and frequent field users who need extended runtime without swapping brands. The bottom line is simple: this kit delivers higher capacity and a handy USB output so a camera operator can keep shooting and still charge a phone or accessory. For anyone using Sony BP-U series cameras and chargers listed in compatibility notes, the pack replaces original cells with a 14.4V, 7200mAh option intended to extend session time while adding basic safety protections.

Key Features

• High capacity: The 14.4V, 7200mAh rating provides noticeably longer run time than many OEM BP-U batteries, reducing mid-shoot battery swaps.
• USB output port: A built-in USB output lets the battery act as a power bank to charge a smartphone or small USB accessories on the go.
• Broad compatibility: Designed to replace multiple Sony BP-U models and work with BC-U1/BC-U2 chargers, so it fits many XDCAM and PMW camcorders.
• Safety protections: Cells meet UL1642 and CE standards and include over-charge, over-discharge, over-current, over-voltage, and over-heating protection.
• Convenient charging: The D-Type charger port offers an easy connection for recharging the pack between shoots.

Who It's For

The Kastar 4-pack suits independent videographers, ENG crews, and rental houses that need multiple spare batteries for back-to-back shoots and rapid turnarounds. The extra capacity and USB output are particularly helpful for documentary shooters, event teams, or any operator who also needs to keep a phone or small accessory powered without carrying a separate power bank.

Not everyone needs a four-pack; casual users or photographers with light run-time needs may find a single OEM battery or a lower-capacity spare more cost effective. Also, those requiring manufacturer warranty parity or guaranteed camera firmware compatibility should evaluate OEM options first.

Pros & Cons

Pros

• Longer run time from the 7200mAh capacity reduces frequency of battery changes during long shoots.
• USB output doubles the battery as a power bank, adding flexible field charging for phones or accessories.
• Built-in safety circuitry and UL1642/CE compliance offer reassurance for professional use.
• Compatible with many Sony BP-U battery and charger models, so it fits a wide range of camcorders.

Cons

• Lack of OEM branding and official manufacturer warranty may concern users who prefer factory parts.
• The pack is larger and heavier than some lower-capacity alternatives, which could add carry weight for handheld setups.

Specifications

Battery chemistry	Lithium-ion
Voltage	14.4V
Capacity	7200mAh
USB output	Yes (power bank function)
Charger port	D-Type
Standards	UL1642, CE
Compatible models	Replaces Sony BP-U30/35/60/65/66/68/70/90/95/96/98

Our Verdict

The Kastar 4-Pack BP-U98 replacement is a practical value choice for professionals who need multiple high-capacity spares and on-board USB charging. It offers sensible safety features and wide compatibility, making it a cost-effective way to increase on-set uptime; those seeking guaranteed OEM warranty or the lightest possible option should consider original batteries instead.

Frequently Asked Questions

Will these batteries fit my Sony PXW camera?
They are designed to replace many Sony BP-U series batteries and list compatibility with PXW and PMW models such as PXW-Z190 and PXW-Z280, but check your camera battery model first.

Can the USB port charge a phone while the battery is in the camera?
The USB output is intended to work as a power bank for phones and small USB devices; actual simultaneous use depends on camera power routing and connected devices.

Are the batteries safe for professional use?
Yes, Kastar states the cells meet UL1642 and CE standards and include over-charge, over-discharge, over-voltage, over-current, and over-heating protection circuits.