Rivian R1 with Massive+ battery truly packs Max battery in disguise

• The Rivian Massive+ battery is a Max Pack that is software program locked
• The Massive+ is not an official choice; Rivian’s reaching out to Massive Pack patrons and providing it as an choice
• Rivian may unlock further battery capability within the Massive+ later for a charge

Some patrons choosing an up to date 2025 Rivian R1T or R1S with a Massive battery are being supplied a much bigger, costlier Max battery that is software-locked to match the specs of the Massive battery.

The data 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 barely accessible on fashions outfitted with a Twin-Motor powertrain, and in line 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 velocity up manufacturing and get autos to house owners sooner. It is one thing Tesla has additionally completed previously 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 based mostly on present orders for the Massive battery and manufacturing schedules.

When requested whether or not Rivian will provide house owners of autos with the Massive+ battery an choice to pay a charge 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 price an additional charge. Rivian recommends that its batteries are solely charged to 70% for every day use, 85% for infrequent prolonged drives, and 100% for highway journeys to assist lengthen their life. However in line with RivianTrackr’s sources, the Massive+ battery may be security charged to 100% each day as this equates to solely about 75-80% of its true capability.

When requested about charging the Massive+ battery to 100% each day, the Rivian spokesman mentioned the corporate recommends the identical charging tips for the Massive+ battery because it does for the Massive battery.

The updates to the 2025 R1T and R1S are way more in depth than your typical mid-cycle refresh. Whereas the outside and inside designs have not modified, Rivian mentioned it overhauled the digital and software program techniques of the autos. This resulted within the removing 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 known as the Rivian Autonomy Platform. A brand new Quad-Motor powertrain additionally dials energy as much as 1,025 hp.