See Sale Price in Cart (why?)Manufacturers occasionally suggest that products be advertised at their suggested retail price. When we decide to sell items for less than the suggested price, the sale price can only be shown in your cart.
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.