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Compact USB 3.0 battery tester with 0.96-inch IPS color display and protective shell

JESSINIE AT34 USB 3.0 Battery Tester IPS Color Display 3.7-30V 0-4A

SKU CH-QB5V-RHY89

Tests USB chargers and power banks from 3.7 V to 30 V at up to 4 A, showing voltage, current, power and capacity on a 0.96-inch IPS colour screen

  • FeaturesUL, Battery Powered, false
  • Sports Team1 Piece
  • TypeMultimeters, Tach & Dwell Meters
  • Real-time charging analysis for USB 3.0 devices
  • Precise 3.70-30.00V and 0-4.000A measurement range
  • 96-inch IPS color display with 160° viewing angle
  • Professional sampling circuit delivers 4-bit measurement accuracy
  • Compact multifunctional tester includes protective shell

JESSINIE AT34 USB 3.0 Battery Tester

The JESSINIE AT34 is a USB 3.0 battery tester with a 0.96-inch IPS color display. It measures voltage from 3.70 to 30.00V and current from 0 to 4.000A. The unit shows capacity, energy, power, equivalent impedance and temperature in real time. It suits technicians and enthusiasts checking chargers and power banks.

Suits USB charger diagnostics.

This tester suits users who need to verify USB charger output, power bank capacity or cable performance within the 3.70 to 30.00V range. The 160-degree viewing angle aids bench use. Buyers who need to measure voltages above 30.00V or currents beyond 4.000A should look at a different instrument.

0.96-inch IPS display with 160-degree viewing angle

The 0.96-inch IPS color LCD provides a 160-degree viewing angle with high brightness. It presents voltage, current, capacity, energy, power, equivalent impedance and temperature simultaneously. This display specification determines whether the readout size and visibility meet the user's workspace requirements.

Highlights

  • Real-time charging analysis for USB 3.0 devices
  • Precise 3.70-30.00V and 0-4.000A measurement range
  • 96-inch IPS color display with 160° viewing angle
  • Professional sampling circuit delivers 4-bit measurement accuracy
  • Compact multifunctional tester includes protective shell

Specifications

BrandJESSINIE
FeaturesUL, Battery Powered, false
Sports Team1 Piece
TypeMultimeters, Tach & Dwell Meters

Questions about this item

Does the AT34 tester need periodic recalibration to keep its 4.000 A readings accurate?

The AT34 uses a professional sampling circuit and a unique accuracy algorithm that lock in 4-bit measurement precision at the hardware and software level, so the 0-4.000 A range stays stable without a user calibration schedule.

What measurement limit will I reach first when testing a high-draw device continuously?

The current range tops out at 4.000 A, while voltage reaches 30.00 V, so sustained loads above 4 A hit the amp ceiling before the volt limit.

How warm does the 0.96-inch IPS screen get during all-day logging?

The 0.96-inch IPS color LCD runs at 160-degree viewing angle with high brightness and long working life, and the tester draws its power from the circuit under test, so it adds no extra heat of its own.

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