Changes

<tr> <th>Line</th> <th>Item</th> <th>Amount</th> <th>Calculation</th> <th>Comments</th></tr><tr> <td>A</td> <td> Total Daily Load AC (DC AH)</td> <td> 200</td> <td> &nbsp; </td> <td> Normalize to 12 or 24 VDC (AC watts/DC voltage)</td></tr><tr> <td>B</td> <td> Total Daily Load DC AH</td> <td> 50</td> <td> &nbsp; </td> <td> Normalize to 12 or 24 VDC (DC watts/DC voltage)</td></tr><tr> <td>C</td> <td> Total Daily Load AH</td> <td> 250</td> <td> = A + B</td> <td> </td></tr><tr> <td>D</td> <td> Charging Interval (days) </td> <td> 1</td> <td> &nbsp; </td> <td> </td></tr><tr> <td>E</td> <td> Battery Drain Between Charges AH</td> <td> 250</td> <td> = C * D</td> <td> Amount to recharge</td></tr><tr> <td>F</td> <td> Battery Efficiency Factor</td> <td> 1.1</td> <td> &nbsp; </td> <td> Typically 90%</td></tr><tr> <td>G</td> <td> Charging (Safety) Factor %</td> <td> 400</td> <td> &nbsp; </td> <td> Use 350-400+</td></tr><tr> <td>H</td> <td> House Bank Required AH</td> <td> 1100</td> <td> = E * F * G</td> <td> </td></tr><tr> <td>I</td> <td> Battery AH</td> <td> 275</td> <td> &nbsp; </td> <td> Use the AH rating of selected battery</td></tr><tr> <td>J</td> <td> Number of 8D Batteries</td> <td> 4</td> <td> = H / I</td> <td> </td></tr><tr> <td>K</td> <td> Battery Capacity</td> <td> 1100</td> <td> = I * J</td> <td> Reality check in case H and K are not equal. </td></tr><tr> <td>L</td> <td> Charging Factor %</td> <td> 33</td> <td> &nbsp; </td> <td> 25% is the norm for flooded cell; 40% for gel cell; 50+% for AGM</td></tr><tr> <td>M</td> <td> Basic Charging Rate AH</td> <td> 363</td> <td> = K * L</td> <td> </td></tr><tr> <td>N</td> <td> Fixed DC Load AH</td> <td> 5</td> <td> &nbsp; </td> <td></td></tr><tr> <td>O</td> <td> Fixed AC Load AH</td> <td> 50</td> <td> &nbsp; </td> <td><tr>Normalize to 12 or 24 VDC (AC watts/DC voltage)</td></tr><tr> <td>P</td> <td> Other DC Load AH</td> <td> 0</td> <td> &nbsp; </td> <td> Load while charging</td></tr><tr> <td>Q</td> <td> Required Charging Capacity AH</td> <td> 418</td> <td> = M + N + O + P</td> <td> </td></tr><tr> <td>R</td> <td> Time to Charge Hours</td> <td> 0.7</td> <td> = E / M</td> <td> </td></tr></table>