Yuasa 3SCM3-0L4 – 3.6V 3AH NiMH Emergency Lighting Stick Battery ( 28002088 & 3/1SCM3-B )

Cross referenced with other manufacturers part numbers:
BBL 3/1SCM3-B
YUASA 3SCM3-0L4

Equipment that uses this battery:

89800029
89800031
89800176

NIMH Batteries

NiMH (nickel-metal hydride) batteries are rechargeable power sources that use a hydrogen-absorbing alloy at the negative terminal and nickel oxide hydroxide at the positive terminal.

They offer higher energy density than older NiCd batteries and are more environmentally friendly, but they have a higher self-discharge rate than newer technologies like lithium-ion. NiMH batteries are commonly used in household electronics, cordless phones, and some hybrid vehicles.

How they work

During a discharge cycle, the negative electrode (metal hydride) releases stored hydrogen, and the positive electrode (nickel oxyhydroxide) absorbs hydroxide ions, generating electricity.

During a charge cycle, the process is reversed, with electrons flowing from the charger to the positive electrode and then to the negative electrode, storing energy.

Advantages

Higher capacity: Typically have two to three times the capacity of NiCd batteries.

Environmentally friendly: Contain fewer toxic elements than NiCd batteries, making them safer to dispose of and recycle.

Less prone to memory effect: Less sensitive to the memory effect than NiCd batteries.

Good performance: Can operate well at a wide range of temperatures and are efficient at high-rate discharges.

Disadvantages

Higher self-discharge: They lose their charge faster than some other battery types when not in use, though low self-discharge (LSD) versions are available.

Shorter lifespan: Generally have a shorter cycle life and lifespan compared to modern alternatives like lithium-ion batteries.

Susceptible to heat: High temperatures can degrade their performance and reduce their service life.

Lower energy density: Have lower energy density than lithium-ion batteries, limiting their use in high-performance or very compact devices.

Common Uses

Consumer Electronics: Remote controls, digital cameras, toys.
Tools: Cordless devices.
Automotive: Older hybrid electric vehicles.
Robotics & IT: Industrial applications.

Yuasa is a global leader in the manufacturing of lead-acid and lithium-ion batteries for automotive, motorcycle, and industrial applications. The company, formed from the 2004 merger of Japan Storage Battery Co. Ltd. and Yuasa Corporation, is known for its quality, reliability, and extensive range of products used in everything from cars and motorbikes to security systems, emergency lighting, and large-scale power supplies.

Yuasa supplies a wide variety of batteries, including those for aftermarket automotive use, motorcycles, and a significant range of industrial batteries for applications like UPS (uninterruptible power supplies), emergency lighting, and security systems. They also produce accessories like smart chargers.

It is a multinational company with a global network of subsidiaries and distributors, including manufacturing facilities in the UK and Japan.

The GS Yuasa Group has over 100 years of history in battery development, contributing to economic development through its products.

The company invests in research and development to create new technologies, including next-generation energy systems for a variety of fields, from deep sea to aerospace.

Yuasa holds a leading market position in the UK for automotive, motorcycle, and industrial batteries.