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🔌 Power up your productivity with precision battery insights!
The Dlyfull Battery Tester B4 is a versatile, compact device designed to test 12 different battery types including Ni-MH, Li-ion, alkaline, and button cells. Featuring a smart LCD display that shows voltage and battery percentage, it offers precise, easy-to-read diagnostics. Lightweight and portable, it includes 2 AAA batteries and a self-test function to ensure consistent performance, making it an essential tool for professionals managing multiple devices and power sources.










| ASIN | B0D393WVPK |
| Best Sellers Rank | #60,781 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7,546 in Electrical Equipment |
| Brand Name | DLYFULL |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (463) |
| Included Components | 1*Dlyfull B4 Battery Load Tester; 2* AAA Batteries; Welcome Guide |
| Item Dimensions | 6.1 x 3.6 x 0.9 inches |
| Item Weight | 4.8 ounces |
| Manufacturer | Dlyfull |
| Minimum Operating Voltage | 3 volts |
| Part Number | B4 |
| Power Source | Battery Powered |
| Specification Met | CE, FCC, RoHS |
| Style Name | Black |
| UPC | 825665404983 |
| Unit Count | 2 Count |
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