Which kind Fish finder is good for E-drive boat?

Most of the electric propulsion boats are relatively small, popular kayaking or catamaran.Such as the use of propulsion of boats Toqeeto.Such boats are generally relatively simple structure, not suitable for the installation of various equipment.

Therefore, the portable fish finder is more appropriate. It does not need to be installed, like the size of a cell phone. Is also more convenient to use. The key is that it does not need to reduce the use of electric propulsion battery.
The Power Supply- Most portable fish finders are powered by batteries, generally AA batteries.  Using re-chargeable batteries will greatly reduce your expenses in the long run.

Portable fish finder is also the most attractive price. The most expensive black-and-white display only 200 USD. Relative to those fixed mounted color display, generally need about $ 500.  Humminbird 345C 3.5 Portable Version,only from 270USD.