System Design and Optimisation Study on a Novel CCHP System Integrated with a Hybrid Energy Storage System and an ORC

Table 3

Specifications of the lead acid batteries.

Parameter	Mean value
Nominal capacity	200 Ah
Nominal voltage	12 V DC
Depth of discharge	40%
Maximum state of charge	100%
Minimum state of charge	40%
Efficiency	85–95%
Self-discharge	20%/day
Temperature coefficient	0.6%/°C
Lifetime	5 years