Kastar NP-F960 NP-F970 Replacement Battery Set for Extended Use

Our review of the Kastar NP-F960 / NP-F970 Battery 4-Pack finds it best suited to photographers and videographers who need reliable, long-running power for LED panels and on-camera lights. The biggest reason to consider this set is the advertised high capacity: each lithium-ion pack is specified at 7.4V and 8700mAh, which promises notably longer runtime compared with many generic replacements. The reviewer voice here focuses on real-world utility for continuous shooting or extended video sessions where swapping batteries is disruptive.

Key Features

• High Capacity: Each 8700mAh battery provides extended runtime so lights run longer between swaps for uninterrupted shoots.
• Compatibility: Sold as a 4-pack and labeled for NP-F960 and NP-F970 form factors so it fits YongNuo and many Neewer LED lights without modification.
• Battery Chemistry: The lithium-ion construction at 7.4V gives stable voltage output suitable for LED panels and on-camera units that expect this rating.
• Built-in Protection: The integrated protection circuit guards against over-charge, over-discharge, over-voltage, over-current, and over-heating for safer use on set.
• Safety Certifications: Cells meet UL1642 and CE safety standards, offering reassurance over cheaply made replacements.
• Value Pack: Four batteries in one package reduce the need to buy multiples and save time replacing cells during long sessions.

Who It's For

The Kastar 4-pack is aimed at content creators who use LED panels such as YongNuo YN300-III, YN600 series, and many Neewer models that accept NP-F960 / NP-F970 style batteries. It is particularly useful for wedding photographers, event videographers, and studio shooters who value uninterrupted light output and fewer battery swaps during long shoots.

Those who should look elsewhere include users who require manufacturer-branded batteries for warranty reasons on certain camera bodies, or professionals who need integrated telemetry from the original battery brand. Also, if size or proprietary connectors differ from NP-F form factors, confirm fit before purchase.

Pros & Cons

Pros

• Long capacity per pack reduces interruptions during shoots.
• Built-in safety circuit and recognized certifications improve reliability.
• Four batteries in the package deliver immediate backup power without buying multiples separately.

Cons

• Specification claims are clear, but exact runtime will vary by light model and brightness setting.

Specifications

Battery Type	Lithium-ion
Battery Voltage	7.4V
Battery Capacity	8700mAh
Pack Quantity	4-Pack
Safety Standards	UL1642, CE
Protection Circuit	Over-charge, over-discharge, over-voltage, over-current, over-heating

Our Verdict

The Kastar NP-F960 / NP-F970 4-pack is a practical, cost-effective solution for creatives who need extra runtime for LED lights and on-camera panels. With high capacity cells and multi-layer protection, it is a sensible value buy for most shooters who use compatible YongNuo or Neewer lights and want fewer battery changes during long sessions.

Frequently Asked Questions

Will these batteries fit my YongNuo YN600 light?
Yes, the pack is specified as replacement for NP-F960 / NP-F970 form factor batteries compatible with YN600 series lights.

Are these safe to use with studio lights for extended periods?
The cells include built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection and meet UL1642 and CE standards for safer extended use.

How many batteries are included?
The package includes four batteries, providing multiple spares for longer shoots.