2-Pack BT-168 Universal Battery Testers for AA, AAA, CD, 9V, and 1.5V Button Cell Batteries - Compact Analog Battery Tester for Standard and Rechargeable Batteries - Simple Battery Status Indicator

Universal Compatibility: The BT-168 battery tester is suitable for almost all common battery types – AA, AAA, C, D, 9V, and 1.5V. Ideal for alkaline, zinc-carbon, and rechargeable batteries. This all-in-one battery tester lets you know in seconds whether your battery is still fully charged or needs replacing. Battery-Free Operation: This AA/AA battery tester requires no additional power source. It is powered directly by the battery being tested. Simply insert the battery, read the needle, and immediately see its condition. This multi-size battery tester saves you time and money and prevents unnecessary battery waste. Accurate Analog Display with Color Scale: Thanks to the color-coded scale (green = good, yellow = low, red = replace/charge), you can immediately see how much power your battery has left. The battery tester for AAA, AA, and C batteries, with a clear 9V analog display, provides reliable measurements, perfect for quick everyday tests or on the go. Compact, lightweight, and rugged: with a convenient size of only 11 × 6 × 2.5 cm, this household battery tester fits in any toolbox, drawer, or travel bag. The robust plastic casing protects the device from impacts and ensures a long lifespan, perfect for mobile use. Sustainable and environmentally friendly: reduce battery waste and protect the environment by disposing of only truly dead batteries. The BT-168 battery tester helps you reuse working batteries instead of rushing to replace them. An essential tool for sustainable households. Reliable, universal, and easy to use: the BT-168 battery tester is the perfect tool for quickly and accurately checking the condition of your batteries. Whether at home, in the office, or on the go, with this handy tester, you'll always know exactly which batteries still have power and which need replacing. Product Description: Name: BT-168 Battery Tester. Specifications (L x W x H): Weight: 150 g. Quantity: 2. Color: Black. Material: ABS. Compatible with AA, AAA, C, D, 1.5V, 9V, and button cell batteries. Contents: 2 BT-168 Battery Testers (batteries not included). Regarding remaining battery capacity and voltage: (1) 9V Batteries: The voltage when fully charged varies depending on the battery type (NiMH, Lithium, or Alkaline), but is always above 8V; When discharged, it is generally less than 7 V. (2) 1.5 V disposable batteries (including 1.5 V alkaline button cells): fully charged approximately 1.6 V - Discharged: approximately 1.0 V. (3) 1.2 V NiMH and NiCd batteries: fully charged approximately 1.3 V - Discharged: approximately 1.0 V.