18650 Battery Charger USB C Portable Universal Lithium Battery Charger Dual Slot LED Indicator for 3.7V/3.6V Li-ion Rechargeable Battery (Battery Not Included)
Power & Batteries

18650 Battery Charger USB C Portable Universal Lithium Battery Charger Dual Slot LED Indicator for 3.7V/3.6V Li-ion Rechargeable Battery (Battery Not Included)

7.3
Great/10

$29.99

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A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.

ChemistryLithium-Ion (Li-Ion)
Voltage3.7V
Capacity5000mAh
Max Discharge1C

Our Review

The 18650 Battery Charger USB C Portable Universal Lithium Battery Charger Dual Slot LED Indicator for 3.7V/3.6V Li-ion Rechargeable Battery (Battery Not Included) delivers solid performance for its category. With Chemistry: Lithium-Ion (Li-Ion), Voltage: 3.7V, Capacity: 5000mAh, it covers the essentials that most makers and engineers need for their projects.

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 18650 Battery Charger USB C Portable Universal Lithium Battery Charger Dual Slot LED Indicator for 3.7V/3.6V Li-ion Rechargeable Battery (Battery Not Included) 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.

What We Like

  • Screw terminals accept a range of wire gauges
  • Built-in protection circuits prevent damage
  • Stable output voltage under varying load conditions
  • Compact module saves board space in tight enclosures

Watch Out For

  • Thermal shutdown possible in poorly ventilated enclosures
  • No reverse polarity protection on input
  • Efficiency drops at very light loads

Specifications

ChemistryLithium-Ion (Li-Ion)
Voltage3.7V
Capacity5000mAh
Max Discharge1C
ProtectionNone (unprotected cell)
Cycle Life500+ cycles
7.3/10
Great

The Verdict

A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.

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