Lead-Acid Energy Storage Battery Series
MK Series(0.8-28Ah)
Product Overview
MK Energy (0.8–28Ah) is a compact sealed lead-acid battery range designed for reliable standby power and general-purpose applications. Available in 4V, 6V, and 12V voltage levels, this series features stable performance, low self-discharge, and a 5-year design life under normal operating conditions.
With high sealing reaction efficiency and dependable quality control, MK Series batteries are widely used in backup power systems, security equipment, emergency lighting, and other applications requiring safe, maintenance-free power storage.
Features
Wide Capacity Range (C20: 0.8Ah–28Ah)
Covers multiple compact power requirements for standby and small power systems.Multiple Voltage Options (4V / 6V / 12V)
Flexible selection for different devices and system designs.5-Year Design Life
Built for stable long-term standby performance and reliable backup support.High Sealing Reaction Efficiency (≥98%)
Improved internal recombination efficiency for safer and more stable operation.Low Self-Discharge (≤3% per month @ 25°C)
Maintains stored energy longer during storage and standby conditions.Maintenance-Free Sealed Design
No water refilling required, easy to install and operate.Wide Operating Temperature Range (-20°C to 50°C)
Reliable performance in various indoor and outdoor environments.Stable Quality for Export Markets
Suitable for global distribution and OEM/ODM supply requirements.
Application Scenarios
UPS & Backup Power Systems
Reliable standby energy for small UPS units and emergency backup devices.Security & Alarm Systems
Stable power supply for CCTV, access control, and alarm equipment.Emergency Lighting & Exit Signs
Supports emergency lighting systems in commercial and industrial facilities.Telecom & Communication Equipment (Light Duty)
Backup power for small communication devices and related equipment.Medical & Instrument Backup Power
Suitable for equipment requiring dependable standby battery support.Consumer & Industrial Electronics
Ideal for compact power storage in various electronic applications.
| Model | Nominal Voltage (V) | Capacity (Ah) | Length (mm) | Width (mm) | Height (mm) | Total Height (mm) | Terminal Model | Terminal Position |
| MK 4-4 | 4 | 4 | 47 | 47 | 101 | 107 | T1 | D |
| MK 4.5-4 | 4 | 4.5 | 47 | 47 | 101 | 107 | T1 | D |
| MK 6.5-4 | 4 | 6.5 | 70.5 | 47 | 116 | 125 | T1 | E |
| MK 1.0-6 | 6 | 1 | 50 | 42 | 50.5 | 55 | T1 | E |
| MK 1.2-6 | 6 | 1.2 | 97 | 24 | 52 | 58 | T1 | C |
| MK 2.8-6 | 6 | 2.8 | 66 | 34 | 95 | 106 | T1 | E |
| MK 3-6 | 6 | 3 | 48 | 48 | 86 | 86 | T1 | C |
| MK 3.2-6 | 6 | 3.2 | 134 | 34 | 62 | 68 | T1 | C |
| MK 4-6 | 6 | 4 | 70 | 47 | 101 | 107 | T1 | E |
| MK 4.5-6 | 6 | 4.5 | 70 | 47 | 101 | 107 | T1/T2 | E |
| MK 5-6 | 6 | 5 | 70 | 47 | 101 | 107 | T1/T2 | E |
| MK 6-6 | 6 | 6 | 70 | 47 | 106 | 106.3 | T1 | E |
| MK 7-6 | 6 | 7 | 151 | 34 | 95 | 101 | T1/T2 | C |
| MK 8.5-6 | 6 | 8.5 | 98 | 57 | 116 | 116 | T1/T2 | F |
| MK 9-6 | 6 | 9 | 151 | 34 | 95 | 101 | T2 | C |
| MK 10-6 | 6 | 10 | 151 | 50 | 93.5 | 100 | T1/T2 | C |
| MK 14-6 | 6 | 14 | 108 | 71 | 139 | 139 | T1/T2 | K |
| MK 1.2-12 | 12 | 1.2 | 97 | 42.5 | 51.5 | 57.5 | T1 | B |
| MK 1.9-12 | 12 | 1.9 | 178 | 36 | 61 | 67 | T1 | C |
| MK 2.3-12 | 12 | 2.3 | 176 | 34 | 60 | 66 | T1 | C |
| MK 2.8-12 | 12 | 2.8 | 70 | 46 | 98 | 104 | T1/T2 | C |
| MK 3.2-12 | 12 | 3.2 | 134 | 67 | 60.3 | 66 | T1 | B |
| MK 3.5-12 | 12 | 3.5 | 90 | 70.4 | 100.5 | 100.5 | T1 | L |
| MK 4-12 | 12 | 4 | 90 | 70 | 100 | 106 | T1/T2 | L |
| MK 4.5-12 | 12 | 4.5 | 90 | 70 | 100 | 106 | T1/T2 | L |
| MK 5-12 | 12 | 5 | 90 | 70 | 100 | 106 | T1/T2 | L |
| MK 6.5-12 | 12 | 6.5 | 151 | 65 | 94 | 100 | T1/T2 | A |
| MK 7-12 | 12 | 7 | 151 | 65 | 94 | 100 | T1/T2 | A |
| MK 7.2-12 | 12 | 7.2 | 151 | 65 | 94 | 100 | T1/T2 | B |
| MK 7.5-12 | 12 | 7.5 | 151 | 65 | 94 | 100 | T1/T2 | A |
| MK 8-12 | 12 | 8 | 151 | 65 | 94 | 100 | T1/T2 | A |
| MK 9-12 | 12 | 9 | 151 | 65 | 94 | 100 | T1/T2 | A |
| MK 10-12 | 12 | 10 | 151 | 98.5 | 95 | 101 | T1/T2 | A |
| MK 12-12 | 12 | 12 | 151 | 98.5 | 95 | 101 | T1/T2 | A |
| MK 15-12 | 12 | 15 | 181 | 76.5 | 169 | 169 | M5 | D |
| MK 17-12 | 12 | 17 | 181 | 77 | 168 | 168 | M5 | D |
| MK 18-12 | 12 | 18 | 181 | 77 | 168 | 168 | M6 | D |
| MK 20-12 | 12 | 20 | 181 | 77 | 168 | 168 | T2/M5 | D |
| MK 22-12 | 12 | 22 | 181 | 77 | 168 | 168 | M6/M5 | D |
| MK 24-12 | 12 | 24 | 166 | 175 | 127 | 127 | M6 | D |
| MK 25-12 | 12 | 25 | 166 | 175 | 127 | 127 | M6 | B |
| MK 28-12 | 12 | 28 | 166 | 125 | 175 | 175 | M6 | D |
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