Drom Power 12V 40Ah Sealed Lead Acid Rechargeable Battery

Drom Power 12V 40Ah Sealed Lead Acid Rechargeable Battery is a high-capacity energy storage solution designed for demanding backup power and cyclic applications. Built using valve-regulated sealed lead acid (VRLA) technology with absorbed glass mat (AGM) construction, this battery delivers stable 12-volt output with a 40Ah capacity at the 20-hour rate. Its maintenance-free and spill-proof design ensures safe and reliable operation without electrolyte refilling. The battery is engineered for long service life and consistent performance in UPS systems, solar energy installations, telecommunications equipment, emergency lighting, and security systems that require dependable backup power. Batteries in this capacity range typically weigh around 13–14 kg and use M6 bolt terminals for secure connections.

Product Features

High-Capacity Backup Power

With a 40Ah capacity at 12 volts, the battery provides extended runtime and reliable energy storage for equipment requiring dependable backup power.

Maintenance-Free VRLA Construction

The valve-regulated sealed lead acid design eliminates the need for electrolyte refilling and routine maintenance while ensuring safe operation.

AGM Spill-Proof Technology

Absorbed Glass Mat technology immobilizes the electrolyte within fiberglass separators, preventing leaks and enabling flexible installation.

Durable and Long Service Life

Constructed with high-quality lead plates and a robust ABS plastic housing, the battery is designed to withstand demanding operating environments and provide long-lasting performance.

Stable Voltage Output

The battery maintains consistent voltage levels, supporting sensitive electronics such as UPS systems, monitoring equipment, and telecommunications devices.

Suitable for Standby and Cyclic Applications

Designed for both standby power backup and cyclic use, the battery performs reliably in renewable energy systems and emergency power installations.

Product Specifications

• Battery type: Sealed lead acid (SLA), valve-regulated (VRLA) AGM
• Nominal voltage: 12V
• Capacity: 40Ah (20-hour rate)
• Rechargeable: Yes
• Maintenance: Maintenance-free sealed design
• Construction: Spill-proof AGM technology
• Battery casing: ABS plastic housing
• Terminal type: M6 bolt terminals or heavy-duty terminals
• Approximate weight: 13–14 kg
• Approximate dimensions: 197 mm × 165 mm × 170 mm
• Float charging voltage: Approximately 13.5V to 13.8V
• Cycle charging voltage: Approximately 14.3V to 14.5V
• Maximum charging current: Approximately 10A
• Operating temperature range: Approximately -20°C to 50°C
• Storage temperature range: Approximately -20°C to 40°C
• Internal resistance: Approximately 7–10 mΩ
• Typical applications: UPS systems, solar energy storage, emergency lighting systems, telecommunications equipment, security systems, medical devices, and backup power installations.