D-FantiX via Amazon has D-FantiX Battery Tester for $5.24 with free shipping for prime member or on orders over $25, you can save $1.75 at checkout. Sale ends in 2 hours.
- Simple but effective little battery tester checker(BT-168) , compact size and lightweight,easy to carry
- It works with standard and rechargeable household batteries: AA, AAA, C, D, 1.5V,9V and button type
- Great small tool can tell you if your battery is good, low, or needs to be replaced