PowerPen Battery Saver for All Batteries Except Zinc Air

The PowerPen Battery Saver is an expert solution for extending battery life and improving conductivity. Its all natural cleaner removes oxidation and leaves a residue that prevents future oxidation, resulting in longer lasting batteries. With a fine tip and non-toxic formula, this versatile tool is suitable for all battery types (excluding zinc air), making it a must-have for any electronic device.