KDZD818 is a portable instrument featuring a 5-inch color touch screen for easy operation. It accurately measures individual cell voltage and internal resistance online, storing data for analysis. Utilizing advanced anti-AC ripple technology, it ensures consistent results. The device can store up to 999 battery groups and includes pre-loaded reference resistance values for instant comparison and fault diagnosis.

1. High-accuracy online testing with automatic range shifting;
2. Measures conductance across a 0.000-19990S range with auto-ranging;
3. Stores up to 999 sets of battery parameters (max 999 cells per set);
4. Battery capacity analysis range: 5AH-6000AH;
5. Features a 5-inch color touch LCD with intuitive menu-driven operation;
6. Built-in graphical display and histogram analysis function;
7. Integrated capacity analysis to classify batteries as Good, Fair, or Poor;
8. Oscilloscope function to graphically display min/max/avg voltage and calculate ripple;
9. SD card interface for data transfer and long-term "medical record" tracking on PC;
10. Robust data management allows standalone operation without a PC;
11. Enhanced over-voltage protection for safer operation;
12. Self-recovering over-current protection for user convenience;
13. Utilizes new SOC chip for improved reliability;
14. Dual power supply: large-capacity lithium battery and AC adapter;
15. Intelligent low-battery alert to ensure testing accuracy;
16. Compact and lightweight design for portability;

Internal resistance measurement range: 0.000mΩ-99.999mΩ
Voltage measurement range: 0.000v- 25v
Internal resistance: 0.001mΩ
Minimum voltage measurement resolution: 1mV
Internal resistance: ±0.5%rdg ±6dgt
Voltage measurement accuracy: ±0.2%rdg ±6dgt
Power supply: 12V, rechargeable lithium battery
Power consumption: Standby 8 hours
Storage capacity: 64Mbit Flash + 8GB SD card
LCD: 5 "color touch screen
Dimensions: 220 x 170 x 52mm
Weight: 1.1Kg