The OvuScope uses 1 CR2032 lithium coin cell battery, these are readily available at many vendors online such as Amazon, and in various retail stores worldwide. To preserve battery life, always turn off the OvuScope when not in use.
These products use lithium batteries only, which are NOT rechargeable. We do not recommend rechargeable batteries (lithium-ion) for this product.
Mixing old and new, different brands or types within brands may cause batteries to leak, overheat or explode. Keep away from fire or excessive heat. Inspect batteries for corrosion or leakage. Insert in direction indicated. Discard lithium cell batteries carefully. Keep lithium cell batteries away from children.