Dual Digital USB Current Voltage Tester

Precision Monitoring
– Accurately measures 3-9V voltage and 0-5A current with a bright dual LCD display for real-time charging diagnostics.
Robust Build
– High-quality ABS housing with reinforced contacts ensures durability and reliable performance under frequent use.
Wide Compatibility
– Works with power banks, USB chargers, and mobile devices, ideal for tech enthusiasts and professionals optimizing charging efficiency.
Plug-and-Play
– No setup required; instantly monitors charging speed and battery health with seamless USB-C and USB-A connectivity.
Compact & Portable
– Lightweight design fits in toolkits or pockets, perfect for fieldwork, travel, or everyday troubleshooting.
Bulk Savings
– Wholesale pricing for bulk orders, backed by global logistics support for fast, large-quantity deliveries.