GODOX Flash Review: Battery Life and Reliability Issues Uncovered

Data basis: This report aggregates insights from hundreds of customer reviews and video feedback collected between 2023 and early 2024. Most input came from written user reviews, supported by video demonstrations showing real-world use.

Why does the GODOX iT20S have frustrating battery life?

Many buyers report that the 700-flash battery capacity drains quickly in practical use, particularly during longer sessions. This often disrupts shoots unexpectedly, forcing frequent recharges.

This is more limiting than typical mid-range flashes, which offer higher endurance and reduce downtime.

• Early signs: Battery drains faster than expected within a few hours.
• Frequency: This is a common complaint among users shooting several hundred photos.
• Cause: Smaller built-in lithium battery with moderate capacity.
• Impact: Interrupts workflow, causing delays and frustration.
• Attempts to fix: Some try using lower power settings or external power packs.
• Fixability: Battery is fixed inside, limiting user options.
• Hidden requirement: Needs regular access to charging between shoots.

Is the flash reliability consistent during use?

Users frequently mention inconsistent TTL auto-metering and occasional misfires during shoots. This unpredictability leads to uneven lighting and missed shots.

The problem typically surfaces after initial setup and worsens with complex lighting conditions.

Compared to category expectations, this level of instability is disruptive, especially for casual photographers expecting plug-and-play performance.

• Common complaints: Flash sometimes doesn’t fire or miscalculates exposure.
• When it occurs: Under rapid shooting or mixed light environments.
• Impact: Causes retakes and inconsistent photo quality.
• User fixes: Switching to manual mode or resetting flash.
• Frequency tier: Frequent enough to affect many buyers.
• Category contrast: More frequent failures than typical mid-range flashes.

Are there build quality concerns affecting performance?

Several buyers note loose components and plastic parts feeling fragile, raising worries about long-term durability.

This issue tends to appear within weeks of use and under typical handling.

Compared to sturdier competitors, the fragility impacts confidence in the product’s lifespan, which is disappointing for the price.

• Signs: Rattling sounds, loose diffuser attachments.
• Cause: Lightweight materials aimed to keep size down.
• Impact: Potential for breakage or part loss during shoots.
• Attempts: Buyers reinforce parts or avoid rough handling.
• Hidden requirements: Needs gentle care to avoid damage.
• Frequency: Secondary but often reported issue.

Illustrative excerpts

• "Battery died halfway through a wedding shoot, so frustrating!" – primary pattern showing endurance issue.
• "Flash sometimes won't fire on first try, missed shots" – primary reliability concern.
• "Feels a bit fragile, diffuser clip came loose quickly" – secondary build quality reflection.
• "Charging takes longer than expected during breaks" – edge-case related to battery management.
• "Had to switch to manual mode due to TTL inconsistency" – common workaround insight.

Who should avoid this

• Photographers needing long shooting sessions without frequent recharging.
• Users who rely on stable, consistent TTL auto-metering for fast-paced work.
• Those expecting robust build quality for regular travel and vigorous use.

Who this is actually good for

• Casual photographers who do short shoots and can recharge frequently.
• Users comfortable with manual flash adjustments to work around TTL quirks.
• Those seeking a compact, lightweight flash and willing to handle delicate care.

Expectation vs reality

Expectation: The iT20S promises rapid recycling and 700 flashes per charge, reasonable for compact flashes.

Reality: Battery drains faster in real use, causing interruptions more often than typical in this category.

Expectation: TTL auto-metering should work reliably out of the box.

Reality: Users often face inconsistent firing and exposure errors, more than expected for mid-range models.

Safer alternatives

• Choose flashes with higher battery capacity to avoid frequent downtime.
• Look for models with proven TTL reliability and consistent firing history.
• Pick flashes with solid build quality designed for regular handling and travel.
• Consider brands offering warranty and customer support for peace of mind.

The bottom line

The main regret with the GODOX iT20S is its limited battery life and inconsistent flash reliability, which disrupts shooting sessions.

This risk is higher than typical mid-range flashes, making it a less reliable choice for serious or extended photography use.

Buyers seeking stable performance and durability may want to consider alternatives.