MK M55-12 SLD M, 12 V / 55 Ah Sealed AGM Deep Cycle Battery

Key Specifications & Features:

Nominal Voltage: 12 V
Nominal Capacity: ~55 Ah at the 20-hour rate (2.75 A to 10.50 V)
10-hour rate: ~52 Ah
5-hour rate: ~47 Ah
Weight: Approx. 17.5 kg (≈38.5 lbs)
Internal Resistance: ~7 mΩ (1 kHz)
Maximum Discharge Current (5 sec): ~800 A

Charging Parameters (at 25 °C / 77 °F):

• Cycle Use: 14.4 – 15.0 V

• Float/Standby Use: 13.5 – 13.8 V

Operating Temperature Range:

• Charge: –15 °C (5 °F) to +40 °C (104 °F)

• Discharge: –15 °C (5 °F) to +50 °C (122 °F)

Why Choose This Battery?

• Maintenance-Free Construction: Sealed VRLA design — no need for watering or venting.

• Deep Cycle Performance: Designed for repeated charge/discharge use with stable output.

• Reliable Power: Excellent performance for mobility, solar, and standby systems.

• Trusted Brand: MK Battery is a leading manufacturer known for quality AGM and gel batteries.

• Safe and Versatile: Can be mounted in multiple orientations (non-spillable design).

Applications (including but not limited to):

• Mobility scooters and power wheelchairs

• UPS and backup power systems

• Security and alarm systems

• Solar and off-grid setups (12 V systems)

• Medical and industrial equipment

• Telecommunications and control panels