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The Safety Circuit: How Standards Help Make Batteries Safer for You

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Standards shape safer batteries, before they reach you…

education and safe use can amplify standards’ impact…

and guide safer end-of-life and repurposing.

Continue to explore each phase of the Safety Circuit.

Close-up top view of various batteries, including cylindrical AA, AAA, and a rectangular 9-volt battery, with colorful casings in yellow, green, red, and white, showing the terminals.
White outlined gears and a magnifying glass overlap on a light grey background. A small solid green circle is at the lower right, partially inside the magnifying glass outline.

1. Design & Define

A man wearing glasses and a yellow safety vest holds an electric vehicle charging plug in one hand and uses a tablet with the other, standing in an industrial or garage setting.

Standards shape safer batteries before they reach consumers

ULSE standards serve as expert-built instruction manuals for evaluating battery safety and may inform design

Batteries certified to ULSE standards are tested under real-world and extreme conditions

Standards also help support safer battery integration into everyday products

Common Rechargeable Products

Many of your favorite everyday products are powered by li-ion batteries. Hover over each to learn about the standards that help make them safer for you.

Minimalist black outline of a bicycle with a single green dot as the front wheel. The bike appears to be in motion, with lines suggesting speed or movement to the right. The background is white.

E-Bikes

UL 2271
Standard
for E-Bike Batteries

Two green circles are connected by three parallel horizontal black lines on a plain white background.

Wireless
Headphones

UL 1642
Standard
for Lithium Battery Cells

A green circle is near the top right of a white background, with a thin grey horizontal line extending right from its edge and a small grey rectangle below the line.

Laptops

UL 2054
Standard
for Household Batteries

Minimalist black outline of a delivery van with a green circle below its front wheel, and a thin green line extending to the right from the circle, on a white background.

电动汽车

UL 2580
Standard
for Electric Vehicle Batteries

A person wearing a helmet smiles while placing or removing a rectangular battery pack from the frame of an electric bicycle.
A small green square is centered on a white background, surrounded by thick, black L-shaped lines at each corner, forming a frame-like pattern around the green square.

2. Everyday Use

How standards and informed behavior reduce real-world risks

Consumers may be unaware of the risk of thermal runaway or that their device is powered by a lithium-ion battery

Because of a lack of awareness, consumer misuse (e.g., improper charging, crushing, overheating) can increase risk

Standards plus safe behavior — together — keep you and your devices protected

A close-up of a person’s hand holding a smartphone and an external power bank, with a charging cable connecting the two, against a blurred outdoor background.
60%

的美国人不知道 锂离子电池 power many of the products they routinely use

!

Common Risky Behaviors:

  • Leaving in a hot car
  • Purchasing counterfeit batteries
  • Overcharging
✓

Standards + Education + Safe Behavior = Reduced Risk of Thermal Runaway

A person’s hands are removing or installing a rectangular battery inside an open laptop on a wooden table. The internal components of the laptop are visible.
A pixelated black and white pattern with two small green and gray shapes in the upper right and lower left corners, resembling abstract or digital art.

3. End-of-Life & Reuse

A person wearing gloves and an orange safety vest holds a green plastic crate filled with discarded computer motherboards and electronic components.

What happens when a battery’s job is done?

Li-ion battery use is growing — repurposing batteries at the end-of-life supports sustainability

Improper disposal poses fire and environmental risks 

ULSE standards provide best practices for developing, producing, and repurposing batteries

Safer Battery repurposing: Electric VeHicles

Standards support safer, sustainable reuse — like repurposing EV batteries into energy storage systems.

A sequence of five circles decreasing in size and fading in color from left to right. Each circle contains a white arrow pointing to the right.
A vertical flowchart with five green circles, each connected by a green downward arrow, gradually fading in color from top to bottom. The background is white.
Close-up top view of various batteries, including cylindrical AA, AAA, and a rectangular 9-volt battery, with colorful casings in yellow, green, red, and white, showing the terminals.

了解更多

ULSE’s battery safety standards and resources can help you more safely use lithium-ion batteries.

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