- My battery's going dead. (AmE) - I don't think this is normal here.
Instead of "going dead"
My battery's dying.
My battery's almost dead.
Perhaps it's not the most common way to express this idea, but some speakers use this construction nonetheless:
The major complaint about alkaline batteries cited by consumers was that hey go dead too fast. A battery's going dead is generally a frustrating and irritating experience for a consumer.
(Powerhouse Marketing Plans: 14 Outstanding Real-Life Plans and What You Can Learn from Them to Supercharge Your Own Campaigns - Winslow Johnson)
The line crackled. "Bully? Hurry up! My battery's going dead."
(My Life in Heavy Metal: Stories - Steve Almond)
They eye a stuffed seal nosing up over the giraffes, put all their quarters in and keep watching the claw drop, but it just slides across those toys every time like its battery's going dead.
(Antartica - Claire Keegan)
"Look, my battery's going dead. Let me bring it out to the car and charge it. Do you want me to call you later?"
(At Your Cervix: A Gynecologist Tells All in the Possum Trot Chronicles - Dr Robert Butterman)
"My battery's going dead." Her voice sounded thready and far away.
(Die Slowly For me - T.L. Gray)
She shook the phone, then blew across the mouthpice. "I think my battery's going dead, Jer. I'll call you later in the week."
(The Mommy Plan - Susan Gable)
"OK, sure, but my battery's going dead and she's waiting for me. Shit! Hear that beep? I'm gonna lose you, better just hurry up give me Warkovski's number, I got a pen ready - go!"
(Lost Relic of the Gods: The God Conspiracy - Jeffrey Avalon Friedberg)
Merely for the comfort of his flashlight's narrow beam he couldn't risk the battery's going dead.
(Murder Wears Mukluks - Eunice Mays Boyd)
The battery's going dead, Jake thought grimly. Moments later the light went out, and there was nothing but dark, empty silence.
(Alaska: A novel - Frank Lauria, Andrew Burg, Scott Myers)
"My battery is going dead," he said. "I'll keep talking as long as I can. My plane is boarding soon."
(Backstage Pass: Sinners on Tour - Olivia Cunning)
"And my battery is going dead. Aunt Gloria? Can you hear me?" Kitty cursed some more. "I'll charge up my phone and call you back when I get on the road."
(Dishing Up Death: A Gourmet Pet Chef Mystery - Marie Celine)