The Powerpack is a larger cash cow for Tesla than the Powerwall. Musk said in 2015 that Tesla expects "80% if not 90% of all the stationary storage we sell will be the Powerpack, not the Powerwall." ...
2015 proved to be another tremendous year for the automaker, as Tesla ventured into energy storage solutions with the introduction of its Powerwall for the home and Powerpack battery packs.
Entering the energy storage market, Tesla released its rechargeable Powerwall lithium-ion home storage battery and Powerpack, ...
Tesla’s energy storage products include Powerwall, Powerpack, and Megapack.