【Battery Internal Resistance Tester】ZOYI XR1 Battery Internal Resistance Tester automatically measures battery internal resistance and voltage values with simultaneous display. Measurement data helps determine battery quality degradation or continued usability. Supports historical
【Digital Multimeter】XR1 integrates a 25,000-count digital multimeter featuring AC/DC voltage, resistance, capacitance, frequency, temperature, diode test, and continuity check functions. Serves as both battery quality inspector and maintenance tool.
【Kelvin Clip Testing】Utilizes 4-wire Kelvin clips to minimize lead and contact resistance, enhancing measurement accuracy. Supports manual voltage and resistance range adjustment.
【Industrial Design】Features TFT color display with enhanced clarity and vibrant visualization. Screen brightness: 10%-100% adjustable. Type-C charging interface for modern power supply solutions.
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🚗 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🚗 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🚗 How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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