Never Be Surprised by Dead Batteries Again! You reach for the remote – nothing happens? Or your child's toy dies in the middle of play? With VoltCheck, you can instantly see whether your batteries still have power – saving you frustration and money. Say goodbye to surprises with dead batteries! Why Our Customers Love VoltCheck:✔️ Saves time & stress: Instantly know if a battery still has energy – no more guessing. ✔️ Works with all common battery types: Compatible with AA, AAA, C, D, 9V, coin cells, and more – perfect for the whole household. ✔️ Compact & portable: Fits into any drawer, toolbox, or bag – always within reach. Frequently Asked Questions: Can I test coin cells?Yes, VoltCheck is also compatible with 1.5V coin cells. Does the device need power?Yes, it is powered by a small coin cell battery, which is already installed. Is it compatible with rechargeable batteries?Yes, it works with Ni-MH and Ni-Cd rechargeable batteries as well. Technical Specifications: Compatible Batteries: AA, AAA, C, D, N, 9V (6F22), 1.5V coin cells Suitable Types: Alkaline, Zinc-Carbon, Ni-MH, Ni-Cd Power Supply: 1x 1.55V coin cell (included) Display: LCD with 3-color bar graph Material: ABS plastic Dimensions: approx. 4.33 x 2.36 x 0.98 in Weight: approx. 2.47 oz Function: Tests battery charge level (not a charger) The Package Includes: 1x VoltCheck Battery Tester 1x Coin Cell (pre-installed)