Hydrometer immediately and accurately tests battery life whether the battery is hot or cold
Help extend battery life and detects overcharge
Assists in preventing dead batteries
Works on all 6-12-24 volt systems
Designed to help to get your job done right
Hydrometer immediately and accurately tests battery life whether battery is hot or cold. Helps extend battery life and detects overcharge. Assists in preventing dead batteries. Works on all 6-, 12- and 24-volt systems.
