Have a soches device, but it is no longer used in practice. One must position the device to load fairly accurately in order to achieve a reasonably tolerable charge current. If you have connected an energy meter that goes halfway, but in everyday use denno too impractical. Proven mind other chargers with 3 coils (3coils). Especially handy I find the. With an inclined support in Cradle-shape, such as back or andoer gets from itian