Comparison page

ETA3406 vs 18650 Battery Holder

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

ETA3406

Projects needing Buck and Low cost with a commonly available power part.

18650 Battery Holder

Projects needing Battery holder and Mechanical with a commonly available power part.

Specification Matrix

DimensionETA3406 18650 Battery Holder

CategoryPowerPower

MakerETA SolutionsGeneric

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesNeeds verificationNeeds verification

Price$0.10 - $0.60$0.20 - $2.00

Known Tradeoffs

ETA3406

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

18650 Battery Holder

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

ETA3406

ETA Solutions

Low-cost buck converter used in Chinese modules and compact power rails.

China-madePower64% confidence

18650 Battery Holder

Generic

Battery holder component useful to include because many maker power designs depend on its mechanical format.

China-madePower64% confidence