MK ES20-12C FT, 12 V / 20 Ah Sealed Lead-Acid (AGM) Battery

Key Specifications & Features:

• Nominal Voltage: 12 V.

• Nominal Capacity: ~20 Ah at the 20-hour rate (1 A to 10.50 V).

  • ~19 Ah at the 10-hour rate (1.9 A to 10.50 V)

  • ~17 Ah at the 5-hour rate (3.4 A to 10.20 V)

• Approximate Weight: ~13.09 lbs (~5.95 kg)

• Dimensions: ~181 × 76 × 167 mm (approx) / 7.13″ × 2.99″ × 6.57″.

• Maximum Discharge Current (for 5 seconds): ~300 A.

• Charging parameters (at ~25°C):

  • Cycle use: 14.4-15.0 V

  • Float/Standby use: 13.5-13.8 V

• Case & terminals: ABS case, sealed AGM type; Terminal type “F6” or “FT” variant (fast-on tabs) for this model.

Why Choose This Battery?

• Maintenance-free, sealed construction means no watering and minimal upkeep.

• Solid capacity (~20 Ah) for many 12 V applications (e.g., backup, mobility, security, instrumentation).

• Trusted brand (MK Battery) with good performance specs and durability.

• Compact footprint for its capacity, suitable for tight spaces where you need a 12 V system battery.

Applications (but not limited to):

• UPS / backup power systems for electronics or telecom gear

• Mobility devices (scooters, chairs) if compatible with 20 Ah spec

• Security/alarm/control systems requiring sealed 12 V battery

• Small solar / off-grid 12 V setups where moderate capacity is sufficient

• Any 12 V equipment where a maintenance-free AGM battery is desired