The Rivian Massive+ battery is a Max Pack that is software program locked
The Massive+ is not an official possibility; Rivian’s reaching out to Massive Pack patrons and providing it as an possibility
Rivian may unlock further battery capability within the Massive+ later for a payment
Some patrons choosing an up to date 2025 Rivian R1T or R1S with a Massive battery are being supplied a much bigger, dearer Max battery that is software-locked to match the specs of the Massive battery.
The knowledge was first reported on Aug. 2 by RivianTrackr and since confirmed to Motor Authority by an organization spokesman.
The 109.4-kwh Massive battery is just obtainable on fashions geared up with a Twin-Motor powertrain, and in keeping with Rivian the demand for this configuration was so excessive the corporate began providing some patrons a 141.5-kwh Max battery that makes use of software program to match its capability and vary to the Massive battery.
The rationale? To assist pace up manufacturing and get autos to homeowners sooner. It is one thing Tesla has additionally finished up to now with the Mannequin S.
2025 Rivian R1 lineup
Rivian refers back to the software-locked battery as a Massive+ battery and mentioned there aren’t any variations in efficiency between autos with the Massive battery and people with the Massive+ battery. Within the 2025 R1T with the Twin-Motor powertrain, the Massive battery delivers an estimated 330 miles vary and the Max battery 420 miles. The corresponding numbers for the 2025 R1S are 330 miles and 410 miles.
There is not any choice to order a Massive+ battery. Rivian is making the choice to supply it primarily based on current orders for the Massive battery and manufacturing schedules.
When requested whether or not Rivian will provide homeowners of autos with the Massive+ battery an choice to pay a payment down the highway and unlock the additional capability, the spokesman mentioned the corporate is exploring methods to supply further vary for the Massive+ battery however has nothing to announce at the moment.
Rivian Gen 2 battery pack
There could also be one other bonus with the Massive+ battery, one that will not value an additional payment. Rivian recommends that its batteries are solely charged to 70% for day by day use, 85% for infrequent prolonged drives, and 100% for highway journeys to assist delay their life. However in keeping with RivianTrackr’s sources, the Massive+ battery could be security charged to 100% every day as this equates to solely about 75-80% of its true capability.
When requested about charging the Massive+ battery to 100% every day, the Rivian spokesman mentioned the corporate recommends the identical charging pointers for the Massive+ battery because it does for the Massive battery.
The updates to the 2025 R1T and R1S are way more intensive than your typical mid-cycle refresh. Whereas the outside and inside designs have not modified, Rivian mentioned it overhauled the digital and software program methods of the autos. This resulted within the elimination of 1.6 miles of wiring and the discount of particular person ECUs from 17 to seven. Rivian additionally put in its personal suite of digital driver-assist options, often called the Rivian Autonomy Platform. A brand new Quad-Motor powertrain additionally dials energy as much as 1,025 hp.