MK ES33-12 Heavy Duty Battery For Gate Openers

Dependable Power for Critical Applications

The ES33-12 Sealed Lead-Acid Battery by MK Battery is a reliable, maintenance-free energy solution designed for standby power systems, mobility devices, renewable energy setups, and backup applications. With a robust 12V output and excellent charge retention, the ES33-12 delivers efficient and long-lasting performance, even in challenging conditions. Its durable ABS construction ensures reliability, while its versatile charging capabilities make it ideal for a wide range of uses.

Key Features

• Nominal Voltage: 12V output for consistent power delivery.
  
• High Capacity: 20-hour rate of 35Ah at 1.75A to 10.50V, 10-hour rate of 33.25Ah at 3.325A to 10.50V, and 5-hour rate of 29.75Ah at 5.95A to 10.20V.
• Maximum Discharge Current: 525A for 5 seconds, ensuring peak performance under load.
• Exceptional Charge Retention: Retains up to 92% charge after 1 month, 90% after 3 months, and 80% after 6 months at 20°C (68°F).
• Wide Operating Temperature Range: Charging from -15°C (5°F) to 40°C (104°F), discharging from -15°C (5°F) to 50°C (122°F), and storage from -15°C (5°F) to 40°C (104°F).
• Durable ABS Housing: Includes an optional UL94 HB or UL94V-0 flame-retardant case for added safety.
• Long Cycle Life: Supports up to 500 cycles at 50% depth of discharge, ensuring years of reliable operation.

Technical Specifications

• Voltage: 12V.
• Capacity: 20-hour rate of 35Ah, 10-hour rate of 33.25Ah, and 5-hour rate of 29.75Ah.
• Weight: Approximately 10.5kg (23.1 lbs).
• Internal Resistance: 10 mΩ (at 1kHz).
• Charging Voltage: Cycle use at 14.4V to 15.0V and standby use at 13.5V to 13.8V, both at 25°C (77°F).
• Maximum Charging Current: 10.5A.
• Terminal Type: F4.
• Dimensions: Length of 7.76 inches (197mm), width of 5.16 inches (131mm), and height of 6.26 inches (159mm).

Why Choose the ES33-12 Battery?

The ES33-12 Battery is a premium energy solution, delivering long-lasting, maintenance-free performance for critical applications. Its exceptional charge retention and wide operating range make it suitable for demanding environments, while the robust ABS housing ensures durability. This battery is perfect for both emergency standby systems and everyday energy needs.