Lead-Acid Energy Storage Battery Series
MK Series(2V100-3000Ah)
Product Overview
The MK Series 2V Lead-Acid Battery (100Ah–3000Ah) is a high-reliability energy storage solution designed for long-term standby and backup power applications. With a 2V voltage level and a design life of more than 12 years, the MK Series delivers stable performance for critical systems that require continuous uptime and dependable power support.
Featuring sealing reaction efficiency ≥98%, low internal losses, and strong charge retention capability, the MK Series is built to maintain readiness in long standby conditions. It also supports a wide operating temperature range from -20°C to 50°C, ensuring reliable operation across diverse climates and demanding working environments.
Features
• Long Design Life (12+ Years)
Engineered for a design life of more than 12 years, helping reduce replacement frequency and total lifecycle cost.
• High Sealing Reaction Efficiency (≥98%)
High internal efficiency supports stable performance and long-term reliability during continuous standby operation.
• Wide Capacity Range (C20: 100Ah–3000Ah)
Flexible capacity options allow easy configuration for small, medium, and large backup power systems.
• Low Self-Discharge Rate (≤3%/month at 25°C)
Excellent charge retention ensures the battery remains ready for emergency use even after long storage or standby periods.
• Wide Operating Temperature Range (-20°C to 50°C)
Designed to deliver stable output in harsh environments and variable temperature conditions.
• Reliable Backup Power for Critical Systems
Built for applications demanding safe, consistent, and long-lasting DC backup power performance.
Applications
The MK Series 2V Lead-Acid Battery is widely used in the following application scenarios:
• Telecom Base Stations & Network Backup Power
Provides stable DC backup power for telecom towers, base stations, transmission equipment, and communication systems. Low self-discharge helps ensure reliable emergency readiness during long standby periods.
• UPS Systems for Critical Power Protection
Ideal for UPS backup systems in commercial and industrial environments, supporting critical loads such as monitoring systems, IT infrastructure, and essential equipment during outages.
• Data Centers & Server Rooms
Protects servers, switches, storage systems, and control units against sudden power loss. The long design life helps reduce maintenance frequency and improves long-term operational stability.
• Power Plants, Substations & Utility Backup Power
Used for protection, control, and switching systems in power utilities. Ensures dependable backup energy for relay protection, monitoring devices, and emergency control functions.
• Emergency Lighting & Safety Power Systems
Suitable for emergency lighting, fire protection, evacuation systems, and safety backup power in public buildings, factories, and infrastructure facilities.
• Industrial Control & Automation Systems
Supports backup power for automation equipment, instrumentation, process control systems, and industrial control cabinets, preventing unexpected shutdowns caused by power interruptions.
• Renewable Energy Storage (Solar / Hybrid Systems)
Supports solar energy storage, hybrid power solutions, and off-grid projects. Wide temperature adaptability ensures stable performance in outdoor installations.
• Railway, Signaling & Transportation Infrastructure
Provides standby power for railway signaling, communication equipment, and backup systems in transportation facilities, supporting safe and stable operation.
• Security Monitoring & Surveillance Systems
Ideal for CCTV networks, security monitoring centers, access control systems, and alarm systems to ensure continuous operation and reliable standby readiness.
• Remote Sites & Harsh Environment Backup Power
Designed to operate reliably from -20°C to 50°C, making it suitable for remote stations, outdoor cabinets, shelters, and locations with variable climate conditions.
| Model | Nominal Voltage (V) | Capacity (Ah) | Length (mm) | Width (mm) | Height (mm) | Total Height (mm) | Terminal Model | Terminal Position |
| MK100-2 | 2 | 100 | 171 | 72 | 206 | 224 | M8 | G |
| MK120-2 | 2 | 120 | 171 | 72 | 206 | 224 | M8 | G |
| MK150-2 | 2 | 150 | 171 | 101 | 206 | 216 | M8 | G |
| MK200-2 | 2 | 200 | 171 | 106 | 332 | 365 | M8 | G |
| MK300-2 | 2 | 300 | 170 | 150 | 332 | 365 | M8 | G |
| MK400-2 | 2 | 400 | 210 | 171 | 353 | 367 | M8 | H |
| MK500-2 | 2 | 500 | 243 | 173 | 330 | 364 | M8 | H |
| MK600-2 | 2 | 600 | 304 | 175 | 331 | 366 | M8 | H |
| MK800-2 | 2 | 800 | 410 | 175 | 335 | 365 | M8 | I |
| MK1000-2 | 2 | 1000 | 475 | 171 | 331 | 364 | M8 | I |
| MK1200-2 | 2 | 1200 | 475 | 171 | 331 | 364 | M8 | I |
| MK1500-2 | 2 | 1500 | 401 | 351 | 378 | 378 | M8 | I |
| MK2000-2 | 2 | 2000 | 490 | 350 | 345 | 345 | M8 | I |
| MK3000-2 | 2 | 3000 | 712 | 353 | 341 | 341 | M8 | I |
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