XH-M239 DC5-12V mAh/mWh Digital Measurement Module
Precision lithium battery capacity tester with high-accuracy 0.5% error margin, ideal for 18650, Li-ion, and Ni-MH batteries. Features a bright LCD display for real-time voltage, current, and energy data. Constructed with durable ABS housing and gold-plated connectors, ensuring stable conductivity and longevity. Supports 5-12V input with ultra-low standby power consumption. Perfect for DIY enthusiasts, battery manufacturers, and electronics repair shops to verify real capacity, diagnose weak cells, or optimize power bank performance. Direct bulk sourcing available—global wholesale pricing, fast shipping, and reliable quality assurance.