
Convenient Magnetic Lithium Batteries Charging 18650 Battery Charging USB Interfaces LED Indicators For Safe Charging
$18.54
Disclosure: CircuitTrail earns from qualifying purchases as an Amazon Associate. Prices and availability may change.
“Dependable power delivery for typical maker projects. Does what it says with acceptable efficiency and protection.”
Our Review
For $18.54 CAD, the Convenient Magnetic Lithium Batteries Charging 18650 Battery Charging USB Interfaces LED Indicators For Safe Charging packs respectable specs: Chemistry: Lithium-Ion (Li-Ion), Voltage: 7.4V (2S), Capacity: 3400mAh. 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.
For the price point, the Convenient Magnetic Lithium Batteries Charging 18650 Battery Charging USB Interfaces LED Indicators For Safe Charging delivers what you need without unnecessary complexity. Recommended for hobbyists and engineers working on projects where power & batteries components are essential.
What We Like
- Screw terminals accept a range of wire gauges
- Stable output voltage under varying load conditions
- Compact module saves board space in tight enclosures
- Built-in protection circuits prevent damage
Watch Out For
- Electrolytic capacitors age and degrade over years
- Fixed output voltage on some modules limits flexibility
- Thermal shutdown possible in poorly ventilated enclosures
Specifications
| Chemistry | Lithium-Ion (Li-Ion) |
| Voltage | 7.4V (2S) |
| Capacity | 3400mAh |
| Max Discharge | 10C |
| Protection | Over-charge/discharge protection |
| Cycle Life | 300+ cycles |
The Verdict
“Dependable power delivery for typical maker projects. Does what it says with acceptable efficiency and protection.”
Related Power & Batteries Components

5pcs DIY Micro USB 5V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board
$78.25
Check Price →
XL6009 DC to DC Boost Converter 3.0-30V to 5-35V Step-up Transformer Power Module, Pack of 6
$18.99
Check Price →
