The first pick is Thanos Solar Sonic Vole Repellent. Also, finding the best mole repellent with positive customer reviews assures you of a reliable unit. The battery life is 1 - 2 years. Durability: Constructed with watertight, anti-corrosion, anti-UV aluminum spike and ABS plastic head unit, the solar sonic vole repellent is designed for outdoor pest control in patio, lawn and garden. 1,928 reviews scanned Powered by ... Thanos 8 pack Solar Sonic Mole Repeller Groundhog Repeller Gopher Deterrent Vole 7.2 6.7 7.3 Vekibee Pack of 4 Sonic Mole Repellent Another great choice for those looking for a medium to large coverage area, the Vekibee sonic mole repellent 4 pack has a quick 4-hour solar … Even though some customers have testified to experiencing positive results with the ultrasonic repellents… Of course, this kind of technology repels not only voles … 5. This is sonic repellent using solar light as the energy source to produce ultrasonic frequency and vibration to annoy and chase voles away. … ... Q&As, reviews … Producing a strong sonic pulse and vibration after every 30 seconds, the mole repellent is a fine product that is highly irritating to keep away all the moles, voles, and gophers away from the farm. Generally, the ultrasonic mole repellent will work, but if you use them appropriately.