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PhonesAug 27, 20265 min read

Motorola spent the Razr Fold's extra grams on a 6,000mAh battery

The Razr Fold weighs 243 grams and costs $1,899. Lab tests and daily testers keep pointing at the silicon-carbon battery as the reason that extra bulk is not wasted.

ByMobileTech Desk

Michael Fisher has a blunt test for an Android foldable in 2026. Be better than the competition, cheaper than the competition, or earlier than the competition, and hit two of the three. After almost two weeks with Motorola's first book-style foldable, he called the Razr Fold better. He did not call it cheaper. He was sure it was not earlier.

The 16GB/512GB model sells for $1,899 in the United States. Closed, it is 9.89mm thick and 243 grams. Chris Barraclough of Tech Spurt later held it next to Samsung's Galaxy Z Fold 8 Ultra, which arrived after the Razr Fold and weighs 215 grams. The Motorola, he said, feels like a proper brick; the Ultra sits closer to a normal flagship. That extra mass is not a styling flourish. Motorola put a 6,000mAh silicon-carbon battery in a first-generation book foldable and let the chassis be as thick as the cell required.

What the extra grams actually buy

Motorola advertises the pack as the largest available in a foldable, with more than 43 hours on a charge. Lab numbers are more useful than that line. John Velasco at Tom's Guide ran the site's web-surfing drain on the inner display at 150 nits and got 14 hours 44 minutes. The Galaxy Z Fold 7, with a 4,400mAh cell, lasted 10 hours 55 minutes. Google's Pixel 10 Pro Fold managed 12 hours 16 minutes. Velasco called it a record among book-style foldables the site had tested.

GSMArena's later Active Use Score still put the Razr Fold at the front of that group: 16 hours 3 minutes on the inner 8.1-inch panel and 20 hours 17 minutes on the 6.6-inch cover, ahead of Oppo's Find N6 and Honor's Magic V6 in the folded test. The Verge's Allison Johnson never tripped low-power mode. "Even on a day with a healthy amount of camera use and an hour using the inner screen, the battery was still above 50 percent by bedtime," she wrote. Fisher used the phone as his office hotspot for 12 days and still described the cell as basically impossible to kill in a single day. CNET's two-week stint landed around a day and a half.

Barraclough, testing after the Fold 8 Ultra existed, still gave Motorola the endurance edge: roughly nine to ten hours of mixed inner-screen use against about seven and a half on the Ultra's 5,000mAh pack. Wired charging is 80W on the Razr Fold and 45W on that Samsung. GSMArena, using a 125W Motorola adapter, saw 66 percent in 30 minutes and a full charge at 60 minutes with the phone open. CNET skipped Motorola's extra $100 TurboPower brick, used 67W Google and 140W MacBook chargers, and got 0 to 37 percent in half an hour. The brick is not in the box.

The nits Motorola prints, and the nits reviewers see

Motorola rates the inner LTPO panel at 6,200 nits peak and the Gorilla Glass Ceramic 3 cover at 6,000 nits, with the outer display able to run at 165Hz. ShortCircuit measured about 4,200 nits inside and 4,000 on the cover with auto brightness, and around 500 nits in SDR with auto off. GSMArena logged 1,478 nits auto on the inner panel, 1,510 on the cover, and a 10 percent white patch peaking near 2,860 nits on both. Manual maximums sat around 500 nits. The advertised peak is a patch test. The outdoor number is the auto figure, and it is still bright.

Barraclough found the Razr Fold's crease more obvious than the Fold 8 Ultra's. Straight-on, both recede. Ben Schoon at 9to5Google, after a month, put the crease firmly in the "this is fine" camp, and not in Oppo Find N6 territory.

What $1,899 still does not include

The Razr Fold uses Qualcomm's Snapdragon 8 Gen 5, not the Elite Gen 5 in the Fold 8 Ultra. Schoon wrote that you would never know. Barraclough saw both phones throttle in long, maxed-out Wuthering Waves sessions. Everyday speed is not the fight. The fight is the list of things Motorola did not spend the extra thickness on. There is no Qi2 magnet array; Johnson watched the phone nose-dive off a MagSafe charger. The Moto Pen Ultra works on both screens, then lives in a separate cigar-shaped charger that costs $99 if it was not in a pre-order bundle. Fisher called that a missed silo on a phone that was not chasing a thinness record. IP48 and IP49 cover water, including high-pressure jets. They do not make the hinge dust-tight.

Cameras are the other place the bulk shows up. Three 50-megapixel rear sensors, including a Sony LYTIA 828 main and a 3x periscope, scored 164 at DXOMARK and sat first among foldables the lab had tested. Fisher called it the best Motorola camera he has used and said he would take it over the Fold 7. Johnson liked daylight contrast, then caught color-cast jumps between wide and telephoto. Schoon liked the color science and told people to switch off Super Zoom Pro past 10x.

Better is not a launch date

In June, after a month as his daily phone, Schoon wrote that "at this exact moment in time, this is the best foldable you can buy in the US." He also worried Motorola had waited too long, with Samsung's Fold 8 series then weeks away. Johnson was harsher in May: too little, for too much, too late. ShortCircuit, filming after the Fold 8 existed, still wanted to daily-drive the Razr Fold. Barraclough's head-to-head left a split: Motorola on battery, charging and a cleaner Android skin; Samsung on weight, polish and years of foldable software.

Fisher's two-out-of-three test still sits over the hardware. Motorola showed up with a cell that lasts, screens you can read outside, and a camera that no longer feels like an apology. It also showed up heavy, $1,899, and late. The battery is the reason to consider one. It does not rewind the years Motorola spent on flip phones while Samsung shipped books.

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