MK 8G31DT, 12 V / 97.6 Ah Deep-Cycle Sealed Gel Rechargeable Battery

Key Specifications & Features:

• Nominal Voltage: 12 V

• Capacity: ~97.6 Ah at the 20-hour rate (C/20)

  • Also ~108 Ah at the C/100 rate

  • ~80.5 Ah at the C/5 rate

• Weight: ~68.5 lbs (~31 kg)

• Dimensions: approx 12.93″ (L) × 6.74″ (W) × 9.40″ (H) (329×171×239 mm)

• Battery type: Valve-regulated gelled electrolyte sealed lead-acid (maintenance-free, non-spillable)

• Operating temperature range: –60 °C to +60 °C (–76 °F to +140 °F)

• Recommended Charging Voltages (at ~25 °C):

  • Cycle use: ~13.8-14.6 V

  • Float use: ~13.4-13.6 V

• Terminals: Dual terminals (for flexible install) and non-spillable rating by regulations.

Why choose this battery?

• Maintenance-free: No need for topping up fluids, thanks to sealed gel design.

• Deep-cycle capability: Built to handle repeated discharge/recharge cycles — ideal for heavy use rather than just short bursts.

• Robust construction: Gelled electrolyte provides better handling of vibration, varied orientations and demanding environments compared to conventional flooded batteries.

• Trusted brand: Built by MK Battery (USA) under stringent quality control.

Typical Applications (but not limited to):

• Marine and RV house-power systems (12 V deep-cycle)

• Solar / off-grid / backup energy systems

• Mobility equipment (power chairs, large scooters) if the system accepts this capacity/size

• Telecom / UPS backup power bank

• Any 12 V system where ~90–100 Ah sealed deep-cycle battery is needed