Upgraded version 18650 Lithium Battery Capacity Tester ModuleProduct features:The product supports single channel capacity and internal resistance measurementSupports individual charging and discharging, up to 9 charging and discharging cycles in automatic mode:11 levels of adjustable stopping and discharging voltageColor: greenMaterial: PCBDC two-wire for internal resistance testing, switchable between English and :Maximum charging and discharging is about 1AUpgrade points:1. and English interface adjustable2. Adjustable 11 levels of stopping and discharging voltage3. Support 1-9 automatic 4. Increased completion status indication5. Charge measurement increased.6. The new version also supports testing 21700 batteries, with 21700 battery holder, you can achieve DIY transformationCaution:Please that the environment is open and uncovered, if you can a fan to dissipate heat, it is better.In order to that the battery firmly, holders use compact battery holders, suitable for flat-head battery measurement Does not support the charging of lithium iron phosphate batteriesPackage Contents:1 x Tester ModuleOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.