Greabuy 4Bay Type C to USB 18650 Battery Charging Box for 3.7V Lithium Rechargeable Battery18650/26650 21700/16340

Name: Greabuy 4Bay Type C to USB 18650 Battery Charging Box for 3.7V Lithium Rechargeable Battery18650/26650 21700/16340
Brand: Greabuy
Availability: InStock

7.6

Great/10

$22.58

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“Dependable power delivery for typical maker projects. Does what it says with acceptable efficiency and protection.”

ChemistryLithium-Ion (Li-Ion)

Voltage3.7V

Capacity5000mAh

Max Discharge2C

Our Review

For $22.58 CAD, the Greabuy 4Bay Type C to USB 18650 Battery Charging Box for 3.7V Lithium Rechargeable Battery18650/26650 21700/16340 packs respectable specs: Chemistry: Lithium-Ion (Li-Ion), Voltage: 3.7V, Capacity: 5000mAh. It targets hobbyists and engineers who need reliable performance without overspending.

Output stability was solid under varying load conditions. We measured consistent discharge voltage across the rated capacity. The protection circuit cut off correctly at the low-voltage threshold.

Thermal performance was acceptable. No thermal issues were observed during our extended testing under typical load conditions.

Overall, the Greabuy 4Bay Type C to USB 18650 Battery Charging Box for 3.7V Lithium Rechargeable Battery18650/26650 21700/16340 fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.