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A dummy battery gives continuous power for streaming and long recordings. Match the battery type exactly.

This guide is built from Amazon product listings and maker specs, not our own testing, so confirm compatibility, kit contents and current price on each product page.

Prices are approximate US dollar conversions of what Amazon showed on October 31, 2026.

Last updated: November 1, 2026.

Quick Picks

Product Type Best for
NP-FW50 Dummy Battery AC-PW20 Kit Dummy battery power adapter Continuous power for Sony ZV-E10
NP-FW50 Dummy Battery (AC-PW20) Continuous Power Dummy battery power adapter Streaming power supply
Kimaru NP-FW50 Dummy Battery Kit Dummy battery power adapter Fits ZV-E10 and a6400 per listing
NP-FZ100 Dummy Battery AC Power Adapter Kit Dummy battery power adapter For a7 III, a7 IV and others

Our Picks

1. NP-FW50 Dummy Battery AC-PW20 Kit

An NP-FW50 dummy battery AC-PW20 power adapter kit for continuous power on Sony ZV-E10, per the listing. It was shown at about $23 on Amazon.com on October 31, 2026.

Good for: Continuous power for Sony ZV-E10. Watch out: NP-FW50 cameras only.

Check on Amazon

2. NP-FW50 Dummy Battery (AC-PW20) Continuous Power

An NP-FW50 dummy battery for Sony ZV-E10 with AC-PW20 continuous power supply, per the listing. It was shown at about $25 on Amazon.com on October 31, 2026.

Good for: Streaming power supply. Watch out: NP-FW50 cameras only.

Check on Amazon

3. Kimaru NP-FW50 Dummy Battery Kit

A Kimaru NP-FW50 dummy battery AC-PW20 power supply adapter kit for Sony ZV-E10, A6400 and others, per the listing. It was shown at about $26 on Amazon.com on October 31, 2026.

Good for: Fits ZV-E10 and a6400 per listing. Watch out: check your exact model.

Check on Amazon

4. NP-FZ100 Dummy Battery AC Power Adapter Kit

An NP-FZ100 dummy battery AC power adapter kit for Sony A1, A7III, A7IV, A7C, A7CII and A7RIII, per the listing. It was shown at about $29 on Amazon.com on October 31, 2026.

Good for: For a7 III, a7 IV and others. Watch out: NP-FZ100 cameras only.

Check on Amazon

How to Choose

Battery type

NP-FW50 or NP-FZ100.

Power source

Uses AC adapter.

Safety

Use quality adapters.

Frequently Asked Questions

Why use one?

Long recordings and streaming.

Cheapest?

NP-FW50 kit.

a7 series?

NP-FZ100 kit.

Bottom Line

Match the battery type, then choose the cheapest kit that fits.

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