crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

They use different batteries.  The 2016 uses this one:

[product|IF301-030-4]

The 2015 uses this one:

[product|IF301-014-4]

crwdns2915684:0crwdne2915684:0:

open