Manufacturer’s product information (h-wave.com, opens in a new tab)

Model H4 / OTC Replacement Battery
Made by ELECTRONIC WAVEFORM LAB, INC.
From $40
Rechargeable Ni-MH battery to be used with H-Wave H4 or OTC devices only. Fully charged battery should last for 10 hours or more of use.
About Model H4 / OTC Replacement Battery
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Who makes it
Manufacturer
Listed in the Clinicians Report dental company directory; ELECTRONIC WAVEFORM LAB, INC., website: www.h-wave.com, listed address: 5702 Bolsa Ave. Huntington Beach, CA 92649, phone: (714) 843-0463.
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