Primus Pow­er is a devel­op­er of a low cost, ver­sa­tile and pow­er dense bat­tery sys­tem that eco­nom­i­cal­ly address­es a wide range of ener­gy stor­age appli­ca­tions. The Primus Pow­er bat­tery sys­tem is designed to sig­nif­i­cant­ly improve the cost, reli­a­bil­i­ty, envi­ron­men­tal foot­print & secu­ri­ty of the elec­tric grid, and to help accel­er­ate adop­tion of renew­able wind and solar ener­gy. In addi­tion to DBL Part­ners, investors include: Klein­er Perkins, Chrysal­ix Ener­gy Ven­ture Cap­i­tal and I2BF.