Chemistry Comparison Chart

LFP Lithium Ion Li-Polymer Flooded LA AGM Nickel Iron
Round trip efficiency
98%
95% 95% 80% 88% 65%
The Homeowner
Cost of 10 kWh
6,900
6,500 4,500 1,200 2,200 18,000
Cycle Life @ 80% DOD
6,000 2,800 1,500 300 500 8,000
Off Grid Years
16.4 6.8 4 1 1.4 21.9
Energy Throughput
in MWH
47 21.5 11.5 1.9 3.5 41.6
Cost per kWH
0.14 0.30 0.40 0.74 0.57 0.19
Safety
Yes No No No No Yes
Free Maintenance
Yes Yes Yes No Yes No
Comparison of different Battery Technologies
Energy Throughput: The total amount of energy a battery can be expected to store and deliver over its lifetime