18650 battery charger and tester

🔋 Battery Capacity Tester – Charge & Discharge Analyzer

Test, measure, and monitor your batteries with this multi-function battery tester, designed for accurate performance analysis.

⚡ Features:

• Real-time display: Voltage, Current, Power, Capacity (mAh)
• Charge & discharge testing modes
• High-power resistors for stable performance
• Clear digital screen for easy reading

🔧 Specs:

• Supports multiple battery types
• Built-in load for discharge testing
• Compact & durable design