Anti-freezing battery tester: Fast and accurate testing of anti-freeze strength 2.helps exten battery life

Anti-freezing battery tester:

 SZ-8037

car battery hydrometerbattery hydrometer and anti-freezing testerget the freezing point of water and if the batteryis discharged,low or fully charged

material:glass,rubber

length:about  27cm  

Weight:0.1KG

Packing:color box

Anti-freezing battery tester