MK Battery 18 Amp. Sealed Lead Acid Battery Maintenance Free Rechargeable
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MK Battery 18 Amp. Sealed Lead Acid Battery Maintenance Free Rechargeable

MK Battery

  • $72.95
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Battery-powered mobility systems provide users with additional freedom and independence. None of these ingeniously designed vehicles, however, can perform to their full potential without a top-quality battery as the fuel source. In fact, choosing the right battery for your equipment can enhance performance and safety, simplify charging and maintenance and, in the long-run, save you time, money and peace of mind.

There's a simple reason why MK Battery is the number one brand of mobility battery among all major wheelchair manufacturers and leading rehab equipment suppliers. These industry leaders cannot afford to have their reputations riding on anything but the best power source available. That's why the MK name is your assurance of getting the best battery available for your wheelchair, scooter or other mobility device.


Nominal Voltage (V) 12V
Nominal Capacity
20 hour rate ( 0.9A to 10.50V ) 18Ah
10 hour rate ( 1.8A to 10.50V ) 17.1Ah
5 hour rate ( 3.06A to 10.20V ) 15.3Ah
1C ( 18A to 9.60V ) 8.1Ah
3C ( 54A to 9.60V ) 6.3Ah

Approx.6.28kg (13.82Lbs.)

Internal Resistance (at 1KHz)

Maximum Discharge Current for 30 seconds :

Maximum Discharge Current for 5 seconds:

Operating Temperature Range
Charge 0 C (32 F ) to 40C (104F )
Discharge -15C ( 5F ) to 50C (122F )
Storage -15C ( 5F ) to 40C (104F )

Charge Retention (shelf life) at 20C ( 68F )
1 month 92%
3 months 90%
6 months 80%

Charging Methods at 20C ( 68F )
Cycle Use : Charging Voltage 14.4 to 15.0V
Maximum Charging Current : 5.4A

Standby Use :
Float Charging Voltage 13.50 to 13.80V

Life expectancy :
Cycle Use : 100% depth of discharge 200 cycles
80% depth of discharge 225 cycles
50% depth of discharge 500 cycles

Standby Use :
3-5 years

Case Material :
ABS (Option : 94-HB & 94V-0 Flame Retardant Case Material)

Terminal :
F2 or F3