In Depth with Dan: Answering viewer questions about lithium-ion batteries after Chapel Hill house fire

Video shared with WRAL News shows the moment a lithium-ion battery caught fire inside a home, feet away from a dog. WRAL anchor/reporter Dan Haggerty answered viewer questions about the batteries and their potential dangers.
Posted 10/24/2025, 11:30:17 PM Updated 10/25/2025, 12:00:25 AM

>> THE CHEVY.

>> I GOT A LOT OF GREAT E-MAILS

INTO THE IN-DEPTH MAILBAG THAT

REMIND YOU HOW MANY SMART AND

PASSIONATE PEOPLE WE HAVE TO

WATCH US HERE. AT 7 O'CLOCK ONE

EMAIL CAME IN AFTER A VIRAL

VIDEO. WE SHOWED THE DOG IN

CHAPEL HILL. THE CHEWED ON A

PORTABLE CHARGER INTO EXPLODED

INTO FLAMES AND NEARLY BURNED

DOWN THEIR ENTIRE HOUSE.

WHAT YOU SAW THERE WAS ANOTHER

CASE OF A LITHIUM ION BATTERY

EXPLODING INTO A FIREBALL.

NOW WE KNOW THAT THIS HAPPENS.

THE NEWS HAS COVERED THIS

BEFORE, BUT LOTS OF TIMES WHEN

PHONES OR LAPTOPS OR

E-CIGARETTES ARE THOSE SORTS

OF THINGS SPONTANEOUSLY

EXPLODE. WE'VE BEEN COVERING

THEM FOR YEARS. AND DESPITE

SEEING ALL OF THOSE STORIES,

I'M BETTING YOU SAY, WOW,

THAT'S SCARY. BUT WHAT ARE THE

ODDS? A LITTLE BETTER THEN YOU

MIGHT THINK.

3 WEEKS AGO, A GARAGE IN

CALABASH, NORTH CAROLINA CAUGHT

FIRE WHEN THE BATTERY EXPLODED

AND DESTROYED EVERYTHING INSIDE

THE STATE FIRE MARSHAL'S OFFICE

THEN INTERVIEWED THE HOMEOWNER

AFTERWARD AS THEY WERE TRYING

TO DETERMINE THE COSTS.

>> YES, WE'RE IF I HAD THAT

BATTERIES IN THERE AND IT

DIDN'T OCCUR TO ME THAT I

LITHIUM BATTERIES.

BECAUSE EITHER FROM I GOT YOUR

YARD TOOLS, YOU KNOW, THE MAIN

ALLY KEPT THE ONE CHARGE ALL

THE TIME FOR 2 YEARS. THEY'VE

BEEN IN CHARGE EVERY DAY ALL

THE TIME. SO THEY'RE ALWAYS

AVAILABLE TO ME.

>> YOU KNOW THAT YOU'RE NOT

SUPPOSED TO DO THAT. JUST

SOMETHING THAT YOU KNEW.

YOU'RE NOT SUPPOSED TO LEAVE

THOSE BATTERIES. JUST CHARGING

CONSTANTLY THAT THEY CAN FAIL

AND THEN EXPLODE YOUR POWER

TOOLS. YOUR LAWN MOWER E-BIKES

E-SCOOTERS CORDLESS VACUUM HAIR

CLIPPERS, TOOTHBRUSH KIDS,

TOYS, SPEAKERS, TABLETS,

LAPTOPS, PHONES, BUT DAN, WAIT

A MINUTE. THAT CAN'T BE TE'O.

I LEAVE MY PHONE CHARGING EVERY

NIGHT. EVERYBODY DOES THAT.

YOU SEE THESE ARE THINGS YOU

NEED TO KNOW ABOUT THESE

BATTERIES BECAUSE WE ALL HAVE

SOME ESTIMATES SAY THAT YOU

PROBABLY HAVE BETWEEN 30 AND 60

OF THEM IN YOUR HOME RIGHT NOW

AND THEY CAN ALL BURST INTO

FLAMES. THE QUESTION IS.

WHY DOES THAT HAPPEN? AND IT

TAKES ME BACK TO THE MAIL.

BACK IN THE VIEWER NAMED KELLY

FROM FUQUAY-VARINA. SHE SAID

I'M THE DIRECTOR OF THE N F AND

LEAD. THE NATIONAL FIRE

PREVENTION WEEK. WE HAVE TONS

OF MATERIALS TO SAFELY BY

CHARGE AND RECYCLE THESE

BATTERIES. SO THE NFPA IS THE

NATIONAL FIRE PROTECTION

ASSOCIATION. THEY WORK WITH

FIRE OFFICIALS AND LAWMAKERS

ALL OVER THE COUNTRY TO KEEP

PEOPLE SAFE FROM FIRE. YOU

PROBABLY RECOGNIZE SPARKY THE

FIRE DOG.

>> THIS TECHNOLOGY CAN ABOUT IT

STARTED WITH SOUTH AND

TECHNOLOGY. THEY WANTED TO MAKE

A MORE PORTABLE AND THEN

SOMEBODY SAID, HEY, WHAT IF

WE MADE AN EVEN BIGGER? AND SO

WHAT HAPPENED WAS THAT

TECHNOLOGY ADVANCEMENT HAPPENED

BEFORE THEY EVALUATED THE

DOWNSIDE

TO IT.

>> SO THE DOWNSIDE IS ON

DISPLAY ALMOST EVERY WEEK IN

THE NEWS. I'M BETTING YOU DON'T

REALLY NOTICE HOW OFTEN.

SO LET'S LOOK AT JUST THE LAST

5 DAYS. 100 FIREFIGHTERS FOUGHT

A FIRE AT A GM DESIGN STUDIO IN

PASADENA STARTED BY A LITHIUM

BATTERY. A BIKE SHOP IN NEW

YORK CAUGHT FIRE WHEN THE

BATTERY EXPLODED CAUSING THE

BUILDING TO ERUPT INTO FLAMES

AND A BATTERY EXPLODED IN AN

OVERHEAD BIN ON A FLIGHT FROM

CHINA TO SOUTH KOREA FORCING AN

EMERGENCY LANDING AND

EVACUATION COME TO THINK OF IT.

THE FAA JUST RECENTLY CHANGED

ITS GUIDANCE ON BATTERIES IN

CHECKED BAGS AFTER A PLANE IN

SOUTH KOREA BURNED TO THE

GROUND ON THE RUNWAY FROM A

BATTERY THAT EXPLODED IN A

SUITCASE IN THE CARGO AREA.

AGAIN, THE QUESTION IS, THOUGH,

WHY DOES THIS HAPPEN RIGHT TO

NOT EXPLODING ALL OVER YOUR

HOUSE RIGHT NOW? WHY TO SOME

OF THEM BLOW UP AND SOME DON'T.

WELL, A FEW REASONS FIRST AND

MAYBE THE BIGGEST THEY GET

DAMAGED OR THEY GET OLD 2

QUALITIES THAT CAN BE HARD TO

JUDGE ME. HOW DO YOU KNOW THE

BATTERY IS DAMAGED INSIDE HOW

YOU KNOW, WHEN IT'S OLD?

THINK ABOUT YOUR POWER TOOLS,

THING ABOUT THE BEATING THAT

THEY TAKE. MAYBE A DROP, YOUR

DRILL OR FALLS OFF THE LADDER

IN THE BATTERY, HITS THE

PAVEMENT OR YOUR E BIKE OR

SCOOTER. LET'S SAY YOUR KID IS

IS ROUGH WITH IT. LANDED DOWN

THE PAVEMENT OR FALLS OVER IN

THE BATTERY CLAIMS OFF THE

CURB. YOU KNOW, JUST BECAUSE

THAT DRILL IN THAT SCOOTER

STILL WORK DOESN'T MEAN THE

BATTERY IS FINE.

>> BECAUSE THERE'S THIS LITTLE

TINY BEING IN THE MIDDLE OF A

LITHIUM-ION BATTERY CAUGHT A

SEPARATOR. IT'S LIKE THE SOUNDS

OF OUR HAIR SAYS LITTLE TINY

THING AND IT KEEPS THE IONS

LEGIT FROM GOING INTO THERMAL

RUNAWAY. THAT THING GETS

DAMAGED. IT CAUSES IT TO

OVERHEAT. AND IT BASICALLY

EXPLAINS.

>> THAT IS WHY SOMETIMES WE SEE

VIDEOS OF THESE BATTERIES JUST

EXPLODING IN AND SPITTING

FLAMES LIKE A FLAME THROWER.

WELL, THEY'RE JUST SITTING

THERE ON THE SHELF DOING

NOTHING OR JUST SITTING IN WHY

WE SEE THEM BURST IN THE BACK

OF A TRASH TRUCK WHEN IT'S

COMPRESSING GARBAGE. THESE

GARBAGE TRUCK FIRES HAVE BECOME

A HUGE PROBLEM. WHICH REMINDS

ME DO NOT THROW THESE BATTERIES

IN THE TRASH OR RECYCLING.

THEY MUST BE DROPPED OFF AT

SPECIAL LOCATIONS. WHERE ARE

THEY THERE EVERYWHERE? JUST

GOOGLE IT. THERE'S ONE NEAR

YOUR HOUSE. TRUST ME. THE

SECOND REASON THEY FAIL,

THEY'RE CHEAP. YOU THINK YOU'RE

GETTING A DEAL? BUT WHAT YOU'RE

REALLY GETTING IS A BATTERY

THAT HASN'T PASSED

CERTIFICATION. SO LOOK FOR

THESE SYMBOLS RIGHT THERE IN IN

THE DESCRIPTION OF THE PRODUCT.

WHEN YOU'RE BUYING IT, YOU L

THAT'S ACTUALLY TESTED FOR

RIGHT HERE IN RTP ETL AND C

THAT WAY. YOU WILL AT LEAST

KNOW THAT THE BATTERY PASSED

SOME SORT OF SAFETY TESTING.

DON'T GO CHEAP WITH THOSE

CHARGERS EITHER. I KNOW THAT

CAN BE TEMPTING ONLINE. IF ONE

BREAKS YOU LOSE ONE. BUT IF YOU

USE A CHEAP CHARGER, IT CAN

CAUSE A CERTIFIED HEALTHY

BATTERY TO OVERHEAT AND EXPLODE

TO STICK WITH THE

RECOMMENDATIONS IN THE MANUAL

FOR CHARGING. DON'T GO GENERIC.

WHICH BRINGS ME TO THE 3RD

REASON SOMETIMES THEY JUST

EXPLODE ANYWAY. EVEN EVEN IF

YOU DID EVERYTHING YOU WERE

SUPPOSED TO DO, SOMETIMES THEY

WILL STILL EXPLODE.

I DON'T REMEMBER THE RECALLS

ON HOVERBOARDS A FEW YEARS AGO.

THAT WAS A MANUFACTURING ISSUE.

THOSE THINGS WERE BURSTING INTO

FLAMES UNDER THE CHRISTMAS TREE

OR WHEN SAMSUNG HAD TO RECALL

MILLIONS OF PHONES BECAUSE THEY

WERE BLOWING UP ALL OVER THE

PLANET.

IT ALMOST IT ALMOST MAKES YOU

WONDER IF WE SHOULD HAVE THESE

BATTERIES AT ALL. SCATTERED

THROUGHOUT OUR HOMES, WHICH

IS A REASONABLE THOUGHT THAT

THE EXPERTS ARE ALSO THINKING.

>> WHEN WE LAUNCHED THIS YEAR'S

FIRE PREVENTION WEEK, WE DID

CHARGE AND UP ARE TAKING

LITHIUM ION BATTERIES IN THE

HOME. AND I WENT TO THE FIRE

DEPARTMENT TO DELIVER SOME

STAFF. AND ONE OF THE

FIREFIGHTER SAYS WHY DIDN'T

YOU SAY DON'T USE LITHIUM-ION

BATTERIES? AND I SAID THE

REASON IS IT'S NOT ABOUT THAT.

IT'S ABOUT HOW DO WE USE THEM

SAFELY AND ASSESS R E S?

>> HEY, THANK YOU TO KELLY FOR

WATCHING E-MAILING AND GETTING

INVOLVED. YOU CAN DO THE SAME

EMAIL ME DAN AT WRAL DOT COM.

HELP US TO GUIDE THIS SEGMENT.