Description: Battery Type: Can test Li-Po/Li-lon/Li-Fe(2-8S),NiCd/NiMH(4-8S) battery Servo test : manual adjustment, , neutral Servo test frequency: 50Hz, 60Hz, 100Hz, 125Hz, 200Hz, 250Hz, 300Hz Discharge Current: 90mAx 8 cell(max. cell voltage: 4.2V) Display : battery cell voltages, total voltages, lowest cell voltage, highest cell voltage, voltage gap between cell and lowest cell voltage, remaining battery capacity(%) High visibility LCD display screen Specification: Size: approx. 83x54x14mm / 3.27x2.13x0.55inch. Discharge current: 1A Balance: 1A Accuracy of battery voltage test: 0.001 V Servo test range: 1000-200000us or 500-2500us Package Includes: 1 Piece CellMeter 8 servo tester 1 Piece Manual Note: It can be used with the most common battery types used for the rc model products. LiLon( Lithium lon) LiPo(Lithium Polymer) LiFe(Lithium Ferrite) LiHV(High Voltage Lithium Battery) NiCd( Nickel ) NiMH(Nickel Metal Hydrate) Lithium Battery Types( Lipo.Li-Ion,LiFe, LiHV ) without the need for the additional power supply, CellMeter 8 can support 2S-8S,Test 1S Lithium battery, you need to access more than 3S of Nickel Batteries, or 5V UBEC to NiCd/MH port for the Cellmeter8 to provide working power Nickel Battery type ( NiCd or NiMH) without the need for additional power supply of cellmeter8 can support 4-8S , such as the need to test less than 4S of Nickel Batteries, you need to access2-8S Lithium Battery to the Lithium port for CellMeter8 to provide working power