AliExpress.io
Battery Tester LCD Display Universal Battery Checker Analyzer Charger for 18650 Batteries 4 Channel Internal Resistance Tester

Battery Tester LCD Display Universal Battery Checker Analyzer Charger for 18650 Batteries 4 Channel Internal Resistance Tester

4.9333+ sold
$17.99$56.22
68% OFF
Buy on AliExpress

You will be redirected to AliExpress to complete your purchase

Specifications

Brand Name
diymore
Origin
Mainland China
High-concerned chemical
None
Condition
New
Type
Module
Supply Voltage
4 Channel Internal Resistance Tester
Dissipation Power
Type-C
is_customized
Yes
Quantity
1
Operating Temperature
Automatic charging and discharging module
Application
Electric Toy
Package
SMD
Choice
yes

Product Description

Please note: This product will be shipped randomly before and after the upgrade due to the upgrade of the battery exchange location

Features:
1.The product supports four-channel capacity and internal resistance measurement
2.Support separate charging and discharging, and support up to 9 charging and discharging cycles in automatic mode
3.Each channel is independent of each other, set separately, operates independently, and does not interfere with each other
4.18650 battery holder uses compact battery holder, suitable for flat-head battery measurement
5.Active cooling of fan supports overheating protection
6.Using DC two-wire method to measure internal resistance

Note: lithium iron phosphate battery charging is not supported

Parameters:
Working voltage: DC5V
Applicable battery: suitable for all batteries that meet the requirements of stopping discharge voltage of 2.5~3.5V and starting from 2.8V to 4.2V
Power supply interface: Two-way Type-C power supply interface (power supply and power cord are provided)
System language: English/Chinese can be switched
Test quantity: 4-way charging and discharging measurement
Internal resistance measurement: support, use DC two-wire method to test internal resistance
Charging function: support, automatic cut-off charging when fully charged (lithium iron phosphate battery charging is not supported)
Discharge function: support, automatically stop when conditions are met, and the discharge current is not adjustable
Automatic charging and discharging: supported. The battery is fully charged at the end of automatic mode
Cyclic charging and discharging: supported, 1~9 cycles adjustable (only supported in automatic mode)
Status prompt: Supported
Cooling mode: fan active cooling
Overheat protection: support
Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 11 adjustable gears
Discharge current: the maximum current is about 1A, which is not adjustable, and does not support independent transformation
Charging voltage: controlled by a special battery charging chip, with a maximum charge of about 1A and a full charge voltage of 4.2V
Power-off saving: only save the set parameters, not the measurement data
Product size: 150 × one hundred and three × 36mm
Package size: 182 × one hundred and twelve × 50mm
Data link: //www.banber.com/gather/6374be9b2ee0e200077ec155

Package include:
18650 battery capacity internal resistance tester X1





Pros & Cons

Pros

  • Four-channel testing for capacity and internal resistance
  • LCD display for clear readings
  • Supports separate charging/discharging with Type-C power
  • Universal for 18650 batteries, ideal for DIY electronics

Cons

  • May ship pre- or post-upgrade randomly
  • Limited battery type compatibility (primarily 18650)
  • Incomplete specs on exact voltage range
  • No mention of maximum current or heat dissipation

Common Questions

What batteries is this tester compatible with?

This universal battery tester is designed for 18650 batteries and supports four-channel capacity and internal resistance measurement.

What is the power supply method?

It uses a Type-C interface for power supply and supports automatic charging and discharging.

What are the dimensions and material of the tester?

The tester features an LCD display in a compact module design, typically made with SMD components, though exact dimensions are not specified.

How does the charging and discharging work?

It supports separate charging and discharging per channel, with up to 9 charging options, and measures internal resistance accurately.

What should I know about shipping?

Products may ship randomly before or after upgrades due to battery exchange location changes, from Mainland China.

Product information last updated on March 31, 2026