I believe the minimum load is around 50W, and most people will be using a much higher load most of the time, so it's not that big of a deal. Test them out as a package. Remember that your load and time will be approximately 50% of the results with 2 cells, 25% with 4 cells, and so on.
Cable tester BENETECH GM60
15 Review
Detector Bosch GMS 120 Professional
28 Review
VIVREAL 4 In 1 Stud Finder Wall Scanner With LCD Display - Center Finding Beam Finder And Sound Warning For Wood, AC Wire, And Metal Studs (Black/Silver)
24 Review
Qingping Qingping Bluetooth Smart Alarm Clock Green
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Triangle Group TR918 225/45 R18 95V summer
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π² Johnson RAS-1B Johnny Square: Professional Aluminum Rafter Square, 7'', Silver - Top Quality with 1 Square
8 Review
π CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
3 Review
Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
18 Review