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Battery Internal Resistance Tester with 25,000-Count True-RMS Multimeter (ZT-XR1)

£69.99
£66.49 Save 5%
Tax excluded Delivered within 2–4 days

The ZT-XR1 is a high-precision battery internal resistance tester combined with a 25,000-count True-RMS digital multimeter. It measures mΩ battery resistance, voltage, frequency, continuity, diodes and more — making it ideal for repair shops, technicians and hobbyists.

Its large display, fast auto-range function and accurate mΩ readings make it perfect for diagnosing lithium, AA/AAA, NiMH and rechargeable battery health. The ZT-XR1 ensures you can quickly identify weak or failing batteries under load.

UK stock with VAT invoice and fast delivery.

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Fast, reliable delivery — UK 2–4 days, express 1–2 days. International tracked delivery available.

  Return policy

30-day return & 12-month UK warranty on all ZOYI instruments.

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ZT-XR1 – High-Accuracy Battery Internal Resistance Tester & 25,000-Count Multimeter

The ZT-XR1 is a professional diagnostic tool that combines precise battery internal resistance measurement with a full True-RMS multimeter in one compact unit. Engineered for electronics technicians, repair shops and enthusiasts, it provides detailed analysis of battery condition alongside advanced electrical measurement functions.

Its dedicated mΩ internal resistance tester allows you to accurately assess the health of lithium batteries, power banks, AA/AAA cells, NiMH packs and many rechargeable types. By measuring resistance under load, the ZT-XR1 helps identify batteries that appear charged but no longer deliver sufficient current — a crucial advantage for repair, maintenance and diagnostics.

As a full-function True-RMS digital multimeter, the ZT-XR1 offers:

  • AC/DC voltage measurement
  • AC/DC current
  • Resistance & continuity
  • Diode & frequency testing
  • 25,000-count high-resolution display

The True-RMS capability ensures accurate readings even on distorted or non-linear signals, making it suitable for modern electronics, switching power supplies, chargers, inverters and automotive systems.

Its large backlit display provides excellent visibility, while the smart auto-range system ensures quick and efficient operation. Designed with a durable casing and ergonomic layout, the ZT-XR1 is ideal for bench work, field service, education, and portable diagnostics.

Typical applications include:

  • Battery health testing (lithium, NiMH, AA/AAA)
  • Power bank and tool battery diagnostics
  • Electronics repair and fault-finding
  • Workshop and lab testing
  • On-site service and mobile diagnostics

With UK stock, fast dispatch and VAT invoice included, the ZT-XR1 offers exceptional performance for anyone who needs precise battery evaluation and high-quality multimeter functions in one device.

10 Items

Data sheet

Counts
25,000 count
True RMS
YES
CAT Rating
CAT III
Auto/Manual Range
Auto
Measurement Type
DMM & Battery Internal Resistance
Firmware Upgradeable
Yes
Display Type
TFT LCD
Battery Type
Li-ion Rechargeable

Specific References

EAN13
6976677980829
MPN
ZT-XR1

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