
KEWA Manual © Copyright 2016
Page: 50
50
Electrical
KEWA has a very comprehensive and flexible electrical system. On-board, power is
available throughout the boat, whether at the dock or underway:
•
12vdc
•
24vdc
•
USB charging plugs
•
110vac
•
220vac
Power is supplied via battery banks, inverters, chargers, solar, the genset and/or shore
power.
Loads, Utilization & Capacity
The basic demand and supply in terms of daily utilization of the batteries when away
from the dock:
Typical load at anchor in what I’ll call baseline functional mode (fridge, freezer, a couple
of fans, PC, instruments and a couple of the Zeuses is about 7 – 10a/h.
Updated:
12/26/2019
Total
Usable in
35%
charging
regime
630
221
Hourly
Hours
Ah
Comments
Demand
Base
8.5
24
204 Fridge/Freezer, nav, radios, etc.
Peak
5
3
15 Fans, lights, inverter
Total
219
Supply
Solar Peak
13
4
52
Solar Sub-peak
5
4
20
Subtotal Solar
8
72
Delta
147
Gap to be charged by genset or aux
GenSet
Bulk
50
1
50
Absorb
40
1
40
Float
30
1.9
57
Total
3.9
147
24v House Capacity