Can anyone explain the huge difference in battery life between the Whites Dual Field PI and the Whites TDI SL PI ?
They both have the same coil and reputedly the same depth in for example wet salt beach.
The Dual field says 25 hours and the TDI SL says 4 hours
Any thoughts?
They both have the same coil and reputedly the same depth in for example wet salt beach.
The Dual field says 25 hours and the TDI SL says 4 hours
Any thoughts?
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