Bikeep smart bike parking docks on both sides of a stairway in the Cam Properties underground garage in Menlo Park, California
Insight· 7 min read

E-bike battery fire safety for condominiums without banning e-bikes

E-bike battery fire safety in a condominium comes down to one rule. Charge and store the batteries outside the living spaces. A condo board can make that practical without banning e-bikes. Give residents a secure outdoor charging station or a fire-safe battery locker, cap how long each charge runs, and control who can plug in.

Why is e-bike battery fire safety a condo board problem?

Picture a resident rolling an e-bike into the elevator. On the seventh floor, they lift the battery off the frame and plug it into a power strip in a hall closet. It charges overnight while the building sleeps.

Now picture that in a dozen units. Most boards have no record of it, no rules for it and no control over it.

The numbers explain the worry. The U.S. Consumer Product Safety Commission investigated e-bike fires from 2017 through 2024. In 62 of the 106 e-bike fires, the bike was charging. The CPSC notes these are investigated cases, not a national count.

New York City shows the scale in one dense place. Between 2019 and 2023, lithium-ion batteries started 733 fires there, killing 29 people and injuring 442, according to the city. The FDNY recorded 277 more in 2024.

The problem has not gone away. In the first three quarters of 2026, battery fires in New York were up 41% on the year before, and five people had died, according to FDNY data analyzed by Streetsblog.

One fire can reach well past one unit. In August 2024, a faulty e-bike battery started a four-alarm fire on Dean Street in Brooklyn. It spread to five buildings, injured nine people and displaced dozens of residents.

Is a battery only dangerous while it charges?

No. The FDNY found that nearly 60% of New York's 2023 lithium-ion battery fires started when the battery was not charging. It was simply being stored.

For a board, that changes the question. A battery is a fire load the whole time it sits inside the building. Moving the charger is only half the job. The battery itself needs somewhere else to live.

Why are condominiums especially exposed?

Residential buildings like condos are full of the people most likely to own an e-bike. A YouGov survey found 86% of US e-bike owners are 18 to 44, and 62% live in a city.

Most consumer e-bikes also have a removable battery. That pack is what gets carried through the lobby and plugged in upstairs.

Then there is insurance. Under standard ISO homeowners forms, e-bikes have generally counted as motor vehicles, which limits what the policy covers, as Independent Agent magazine explains. Policies differ by insurer, so boards and residents should check their own. Two safety standards are becoming the reference point for insurers and regulators.

  • UL 2849 covers the electrical system of an e-bike.
  • UL 2271 covers the battery pack.

A board cannot check every resident's battery. It can decide where charging happens.

Should a condo ban e-bikes?

A ban is the instinctive answer, and it usually costs more than it saves.

It turns residents against the board. It works against the sustainability goals many buildings are chasing. It puts off the younger owners and buyers a building wants to attract.

And a ban often does not work. Telling residents to store e-bikes outside means little if there is nowhere secure to put them. Many keep charging indoors, out of sight, where the risk is worse because nobody knows about it.

The safer answer is to move charging and battery storage out of the living spaces. The board's job is to make that easy enough that residents actually do it.

What does safe e-bike charging look like in a condo?

Safe charging happens outdoors or in a contained compartment, with power the board controls. Bikeep offers three pieces that can be combined to fit a building.

1. An outdoor e-bike charging station

A Bikeep e-bike charging station gives residents one designated place to park and charge outside. A locking bar secures the bike frame, and the resident's own charger is locked in a compartment in the dock.

Each dock has its own circuit protection. A 5-dock station draws 1.5 kW and a 10-dock station 3 kW, on single-phase 110 or 230 V power.

The battery never has to come inside. If something goes wrong, it happens outdoors, away from where residents sleep.

2. A fire-safe battery charging locker

Some residents only want to charge the removable pack. Some buildings have little outdoor space. A battery charging locker, which Bikeep distributes, covers both cases.

Each compartment is fire-suppressing and has its own heat and gas sensors. Power cuts off automatically if a sensor trips. Residents open their compartment with the Bikeep app, an RFID card, a QR code or a passcode.

3. Control over who charges and for how long

This is the piece most boards are missing.

  • Allowlist. Only residents the board approves can draw power. Guests and unknown devices cannot plug in.
  • Four-hour cut-off. A fire safety relay, an optional add-on fitted when the building orders it, cuts power to the dock after four hours. No battery sits on charge all night.
  • One view of everything. The board or property manager sees usage and manages access in Bikeep Console.

Together these give the board a record of who charges, a hard stop on how long and a say over what is plugged in on the property.

Which safety measures matter most?

The table sets each measure against the risk it removes.

Charge outside the living spaces

Risk it removes
A fire starting in a unit, hallway or stairwell
Where it comes from
Outdoor charging station

Store batteries in a contained compartment

Risk it removes
A stored battery igniting indoors
Where it comes from
Battery charging locker

Fire suppression with heat and gas sensors

Risk it removes
A battery fire spreading beyond its compartment
Where it comes from
Battery charging locker

Four-hour automatic cut-off

Risk it removes
Unattended overnight charging
Where it comes from
Optional relay on the charging station

Circuit protection per dock

Risk it removes
One faulty charger affecting the rest
Where it comes from
Charging station

Allowlist of approved residents

Risk it removes
Unknown devices and chargers on building power
Where it comes from
Bikeep Console

Locked charger compartment

Risk it removes
Chargers left loose or swapped
Where it comes from
Charging station

What changes for the building?

Nothing makes a lithium-ion battery non-flammable. What changes is where the battery is when something goes wrong.

Before, batteries charge in units and hallways with no record and no rules. The ban debate returns at every meeting.

After, residents have one secure place to charge outside. The fire load moves out of the building, the board controls who plugs in, and residents keep their e-bikes.

Which US apartment buildings already use Bikeep?

Bikeep has built smart bike parking and charging since 2012, with more than 10,000 devices in over 30 countries. In US residential buildings, its stations give residents a secure, managed place for their bikes.

  • Latrobe Apartments in Washington, DC, has 30 Bikeep docks.
  • Sea View Apartments in Dania Beach, Florida, has Bikeep e-bike charging docks with charging control, so the building decides who can charge and when. Tenants pay the building a monthly fee to use the chargers.
  • Cam Properties in Menlo Park, California, has run Bikeep stations in its underground garage since 2016. They are still in daily use, which says something about how long the hardware lasts.

Bikes locked in green Bikeep docks beside a staircase in the Cam Properties underground garage in Menlo Park, California

The same system works beyond housing. Ülemiste City in Tallinn, Estonia, runs Bikeep parking and e-bike charging across a business campus, and UNSW Sydney charges e-bikes outdoors to keep batteries out of campus buildings.

A condominium has the same question at a smaller scale. Where do the bikes and batteries go when residents are not using them?

Frequently asked questions

Where should e-bikes be charged in an apartment or condo building?

Outside the living spaces, away from exits and stairwells. An outdoor charging station or a fire-safe battery locker gives residents a place to do that.

Is it safe to store an e-bike battery indoors if it is not charging?

It carries risk. In New York, nearly 60% of lithium-ion battery fires in 2023 started when the battery was not charging.

Does an e-bike charging station need new electrical work?

It runs on standard single-phase power, 110 or 230 V. A 5-dock station draws 1.5 kW and a 10-dock station 3 kW, so an electrician should check the circuit it connects to.

Why cut charging off after four hours?

It stops batteries from sitting on charge unattended overnight. The relay is an optional add-on for Bikeep charging stations and cuts power to the dock automatically.

What do UL 2849 and UL 2271 mean?

UL 2849 is the safety standard for an e-bike's electrical system. UL 2271 covers its battery pack. Insurers and regulators increasingly look for both.

Can residents charge only the battery, without bringing the bike?

Yes. A battery charging locker holds the removable pack in its own fire-suppressing compartment while it charges.