The 2014 had ~21 kWh "A123" battery pack, and a (max) 35% degradation warranty, 8 years, 100k miles.
The 2015 had ~18.5 kWh "LG Chem" battery pack, and a (max) 35% degradation warranty, 8 years, 100k miles.
The 2016 had ~18.5 kWh "LG Chem" battery pack, and a (max) 40% degradation warranty, 8...