MK Battery M40-12 SLD G 12V 40Ah Sealed Gel Battery | C Terminal

MK Battery M40-12 SLD G 12V 40Ah Sealed Gel Battery | C Terminal

The MK Battery M40-12 SLD G Sealed Gel Battery provides dependable 12-volt power with a 40Ah capacity for compatible mobility equipment and other deep-cycle applications. This maintenance-free battery uses sealed, valve-regulated gel technology to provide reliable power without the need to add water or perform routine electrolyte maintenance.

The M40-12 SLD G uses a gelled electrolyte and a self-sealing vent for a non-spillable design. It features a C terminal with a 1/4"-20 round-hole insert and is designed for cyclic use. MK Battery lists this model among its high-capacity gel batteries for HME and mobility applications. :contentReference[oaicite:0]{index=0}

With a 40Ah capacity at the 20-hour rate and a 34Ah capacity at the 5-hour rate, this battery provides a dependable rechargeable power source for compatible equipment. Before ordering, compare the voltage, capacity, dimensions, and terminal configuration with your existing battery to confirm compatibility.

MK Battery M40-12 SLD G Specifications

Maintenance-Free Sealed Gel Battery

The M40-12 SLD G uses valve-regulated gel technology to suspend the electrolyte in a thickened gel rather than free-flowing liquid. This sealed construction eliminates routine watering and helps provide a low-maintenance power source. The battery is rated non-spillable by ICAO, IATA, and DOT. :contentReference[oaicite:1]{index=1}

For cycle use at 77°F (25°C), MK Battery specifies a charging voltage of 13.8 to 14.6 volts. For float or standby use, the recommended charging voltage is 13.4 to 13.6 volts. Always use a charger with a charging profile appropriate for sealed gel batteries and follow the manufacturer's charging recommendations. :contentReference[oaicite:2]{index=2}

Important: Confirm that your equipment requires a 12V, 40Ah sealed gel battery with a C terminal before ordering. Battery dimensions and terminal configuration should match the original battery.