Charge and discharge curve, charge and discharge efficiency, battery capacity, specific capacity, cycle life, capacity decay curve, DCIR internal resistance, overcharge and overdischarge test, temperature and capacity test, working condition simulation and other performance parameter tests.
Model Model BT2018B
product picture
Product size length × depth × height = 49cm × 34cm × 10.5cm
Number of channels: 8 channels/unit, which can be programmed independently without interfering with each other, and each computer can be connected to 256 units.
Range range Charging voltage: 0V—5V Discharging voltage: 2V—5V; Charging current: 5mA—5A
Measurement accuracy Voltage accuracy: ±0.05%FS; Current accuracy: ±0.05%FS; Stability: ±0.05%FS
Cabinet structure The cabinet is made of galvanized sheet, and the surface is sprayed with plastic
CPU ARM series, 32-bit
DA/AD 16bit/24bit
Control mode Constant current source and constant voltage source adopt double closed-loop structure, high-precision linear adjustment
Heat dissipation method Air cooling, fan speed supports program control, temperature control, full speed three modes optional
Communication method USB/RS485, using photoelectric isolation technology, and the software can automatically search for all devices connected to the computer
Benchmark features US-specific benchmark integrated chip; temperature coefficient: 5ppm/°C (maximum value)
Access method Four-wire system, crocodile clip clamp, polymer clamp, etc. (user selectable)
Input impedance ≥10GΩ (leakage current <0.1nA in resting state, battery is completely disconnected from the device in power failure state)
Software features C# platform development, WIN10 style, flat design, adapt to the current popular operating habits
Test program features Independent program script (can be copied, created, modified, deleted, etc.), cycle control, data analysis, centralized database management, real-time curves, curve comparison, etc.
Mode editing features Intelligently judge the logical relationship according to the operating mode, prompt wrong operation, and automatically fill in the main parameters and cut-off condition parameters, and can also be manually modified
Mode operation characteristics Start, stop, continuous start, forced jump, parameter reset, channel change, etc.
Operation mode static, constant current charge, constant current discharge, constant voltage charge, constant resistance discharge, constant power charge, constant power discharge, rate charge, rate discharge
Display digits 6 effective figures (voltage: ×.×××××; current: ×.×××××)
DCIR test supports fixed-point calculation of DCIR
Cut-off conditions End voltage, current, capacity, time, negative slope, etc.
Data display mode Coordinate curve (X, Y coordinates can be customized), graphics, data list (process, detailed subdivision), the test result is directly in “farad” as the unit
Test event record It has the function of recording all test events during the test process, such as: running, stopping, protection information, parameter reset, channel change, online calibration, etc.
Loop nesting With nested loop function, it supports up to 3 layers of nesting
Cycle times 1-99999 times
Data sampling method Time change △t: 10ms—3600S; voltage change △U: 1mV—50V; current change △I: 10uA–5000mA
Data sampling frequency 1 piece of data/second (valid data)
Data export can be exported into EXCEL, TXT, graphics
Save data as save Support single or multiple data save, multiple data save automatically create a new folder, file name automatically add start time and box number and channel number
Protection conditions Delay protection, overvoltage, undervoltage, overcurrent, overcapacity, overtemperature, monomer overvoltage, monomer undervoltage, (monomer overtemperature protection*), etc.,
Operation protection Support power failure protection, communication interruption protection, computer crash protection, system crash protection
Alarm mode Test completion reminder, safety protection alarm, abnormal error alarm, barrage prompt information
Software upgrade Support network remote push, online upgrade
