Car Battery vs SLA Deep Cycle Battery – Wholesome Experience Live7hisDay

# Car Battery vs SLA Deep Cycle Battery

August 17, 2015 Uncategorized avnva

Lets compare cost effectiveness between Car Battery and SLA Battery in Solar Storage Project.

In Singapore, a new 12V45Ah Car Battery cost $100, while a new 12V7.2Ah SLA Battery cost $19.

For SLA Battery, 12V7.2Ah is the sweet spot, its most common and has best Px/Capacity ratio compare to other voltage/capacity combination.

[su_table]

Compare | Car Battery | SLA Battery
Type | 12V45Ah | 12V7.2Ah
Price | $100 | $19
Save Discharge | 30% | 80%
Usable | 13Ah | 5.76Ah
Size | Big 207Lx175Wx190H 30KG | Small 150Lx65Wx93H 1.22KG

[/su_table]

3 x 7.2Ah SLA Battery is able to do the job of a 45Ah Car battery at smaller cost, space and weight.

SLA 12V12Ah Discharge Time VS Discharge Current

State of Charge on charging

State of Charge on dis-charging

Car Battery