Eastman 12 Volt 220AH Deep Cycle Tubular Solar Battery (EM220)

The Eastman Tubular Battery is engineered for high performance, offering robust durability and low maintenance in a variety of demanding applications. This versatile 12V battery features a tubular design with a high-pressure diecasted spine that ensures low spine corrosion and long-lasting reliability. Ideal for use in harsh environments, the Eastman Tubular Battery operates across a wide temperature range, can be mounted in any position, and is resistant to shocks and vibrations. It provides consistent power backup, excellent deep-cycle performance, and minimal water loss, making it a preferred choice for off-grid systems, renewable energy storage, and backup power solutions.

Product Features

Robust Tubular Design for High Durability

The Eastman Tubular Battery features a high-pressure diecasted spine that significantly reduces the rate of spine corrosion. This durable design ensures that the battery withstands the rigors of everyday use and performs reliably even in challenging conditions, providing a longer service life.

Spill-Proof Vent Plug

Equipped with a spill-proof vent plug, this battery prevents acid spillage on the top, keeping your environment clean and safe. The design also ensures minimal controlled acid fumes, making it suitable for indoor and confined spaces.

Optimized Negative Paste for Fast Charge Acceptance

The negative paste in the Eastman Tubular Battery is specially formulated to enhance fast charge acceptance. This optimization improves the battery’s efficiency and reduces charging times, offering quicker recharges and enhancing overall performance.

Consistent Backup Throughout Life

Enjoy a steady and reliable power backup throughout the life of your battery. The Eastman Tubular Battery is designed for consistent backup performance, even after multiple charge and discharge cycles, ensuring dependable power availability over time.

Low Self-Discharge

This battery boasts a low self-discharge rate, which means it retains its charge for a longer period when not in use. This feature makes the Eastman Tubular Battery highly reliable for long-term storage and reduces the need for frequent recharging.

Excellent Deep-Cycle Performance

Compared to AGM VRLA batteries, the Eastman Tubular Battery excels in deep-cycle applications. It offers superior performance and longevity in energy-demanding environments, making it the ideal choice for solar power, backup systems, and more.

Very High Design & Service Life

Designed with longevity in mind, the Eastman Tubular Battery offers a very high service life. It can endure thousands of charge and discharge cycles, providing years of reliable service under normal operating conditions.

Low Water Loss

This battery is designed to minimize water loss, contributing to its long life and low maintenance requirements. This feature helps reduce the frequency of water refills, making it easier to maintain.

Product Specifications

• Cells Per Unit: 6
• Voltage Per Unit: 12V
• Capacity:
  • 220Ah @20Hr-rate to 1.75V per cell @ 25℃
  • 198Ah @10Hr-rate to 1.75V per cell @ 25℃
• Weight: 67.6 kg
• Max Recommended DoD: 80%
• Life Cycle @ Recommended DoD: 1300 Cycles @ 27℃
• Recommended Max Charging Current Limit: 40A
• Absorption Voltage: 14.4V DC/unit (Average at 25℃)
• Float Charging Voltage: 13.6V DC/unit (Average at 25℃)
• Equalization and Cycling Voltage: 16V DC/unit (Average at 25℃)
• Normal Operating Temperature Range: 25℃ ± 5℃
• Operating Temperature Range: -20℃ to +55℃
• Battery Dimensions: 506 x 207 x 405 mm