To provide a stable DC power supply, supporting backup power, energy storage, and startup power functions.

The lifespan is generally 3 to 5 years, while deep-cycle types can last over 8 years.

The FT model has deep cycle capability, making it particularly suitable for energy storage systems.

The self-discharge rate is ≤3% per month, which is lower than other lead-acid batteries.

High-current discharge requires reviewing technical specifications. If needed, please inquire about specific high-rate battery models designed for high-current discharge.

MEAN WELL uses VRLA (Valve Regulated Lead‐Acid) batteries, which do not require water refilling.

Leoch lead-acid batteries are designed with a sealed structure, ensuring complete leak protection.

Battery performance is significantly affected by environmental temperature. 
It is recommended to avoid excessively low or high temperatures and maintain an optimal operating temperature of 25°C.

Overcharge protection requires the use of a dedicated charger.

Yes, but battery consistency must be ensured.

Yes, it is suitable for UPS and backup power systems.

Yes, especially models with no acid mist emission are highly recommended.

The charge and discharge efficiency is greater than 90%.

No memory effect; they can be charged and discharged at any time.

For a 12V battery, the float charge voltage ranges from 13.38V to 13.62V, and the equalization charge voltage ranges from 14.1V to 14.4V.

Yes, but it requires a dedicated fast charger to avoid damage.

The DJM series ranges from 5.5 to 10.0mΩ, and the FT series ranges from 4.3 to 9.0mΩ, depending on the specific model.

They are widely used in telecommunications, power, medical, data centers, and transportation, etc.

Yes, they are highly suitable and serve as a core component of UPS systems.

Specialized lead-acid batteries are designed for electric vehicles. However, industrial batteries are primarily used for backup power in float charging applications and are not recommended for EV use.

Yes, especially deep-cycle lead-acid batteries.

Yes, they are suitable for stabilizing output and energy storage in wind power applications.

Yes, they are used as backup power for telecommunication base station equipment.

Yes, they are highly suitable for providing reliable short-term backup power.

Yes, they are suitable for ECG monitors, surgical lights, and other emergency power applications.

Yes, their vibration-resistant design makes them suitable for mobile applications.

Yes, they support the startup of high-load industrial equipment.

Yes, they offer long-term stable backup power for traffic signal systems.

Yes, they offer long-term stable backup power for traffic signal systems.

Yes, especially gel lead-acid batteries.

Yes, they can be used for emergency power in mining equipment.

Yes, they provide stable power support for ships and marine applications.

Yes, they support energy storage for power grid peak shaving.

Yes, they are commonly used in portable electric tools.

Yes, they are suitable for use in solar-powered irrigation pumps and agricultural machinery.

MEAN WELL offers the DJM series and FT series.

MEAN WELL provides 12V / 38~150AH models.

If needed, please inquire (LINK) separately. They are suitable for energy storage and harsh environments.

It is usually made of corrosion-resistant plastic or metal.

The energy density of a lead-acid battery is approximately 30-50 Wh/kg.

If needed, please inquire separately (LINE). We offer military, medical, and specialized industrial batteries.

If needed, please inquire (LINK) separately. These are suitable for mobile devices and small power applications.

Yes, it supports fast charging, but a dedicated fast charger is required.

Depending on the model, the weight ranges from 12.7 to 44.2 kg.

All sealed lead-acid batteries are equipped with safety valves for explosion protection.

Please refer to the news (LINK),  all models meet CE, UL and other international certifications.

If needed, please inquire (LINK) separately. We provide custom battery sizes and specifications.

The warranty period is 3 years.

Yes, an installation manual is provided, and some models support on-site installation services.