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M50-12 SLD M sealed AGM battery by MK battery

$166.00 $212.56

M50-12 SLD M sealed AGM battery by MK battery features ultra premium sealing valve which prevents capacity loss and controls pressure. AGM battery is suitable for lighter duty mobility devices to meet the needs of the user. Sealed AGM battery has fortified posts, straps and welds that resist vibration damage and maximize current transfer. The quality construction of battery ensures consistent and reliable performance for long-term dependability.

  • UL recognized component
  • Completely maintenance-free
  • Transport easily and safely by air
  • Less than 2% per month self-discharge
  • Valve-regulated for efficient recombination
  • Forged terminals and bushings assure no leakage
  • Completely absorbs electrolyte for spillproof design
  • High density oxide provides maximum power-per-point "high cycling" service

MK Battery Guide.
Battery Care & Maintenance Guide.

M50-12 SLD M sealed AGM battery by MK battery
Nominal voltage12 Volts.
Nominal capacity
20 hour rate (2.5A to 10.50V)50 Ah
10 hour rate (4.75A to 10.50V)47.5 Ah
5 hour rate (8.5A to 10.20V)42.5 Ah
1C (50A to 9.60V)28.33 Ah
3C (150A to 9.60V)20 Ah
WeightApprox. 33.20 lbs.
Internal resistance (at 1KHz)Approx. 5 mΩ
Maximum discharge current for 5 seconds600 A
Operating temperature range
Charge-15°C (5°F) to 40°C (104°F)
Discharge-15°C (5°F) to 50°C (122°F)
Storage-15°C (5°F) to 40°C (104°F)
Charge retention (shelf life) at 20°C (68°F)
1 month98%
3 months94%
6 months85%
Charging methods at 25oC (77oF)
Cycle UseCharging Voltage 14.4 to 15.0V
Coefficient -5.0mv / °C / cell
Maximum Charging Current : 15A
Standby UseFloat Charging Voltage 13.50 to 13.80V
Coefficient -3.0mv / °C / cell
Case MaterialABS
(Option : UL94 HB Flame Retardant)
Description of torque value of hardware for the terminals:
Recommended torque valueM6: 5.39 N-m
Maximum allowable torque valueM6: 8.82 N-m
  • The manufacturer will replace the battery with a free equivalent if it fails due to defects in materials or workmanship within 13 months from the date of the initial installation.
  • A battery used in a mobility application rated lower than 20 amp hours will be replaced with a free equivalent if it fails due to defects in materials or workmanship within 6 months from the date of installation.
  • Proof of date of purchase/installation required for all claims.
  • Upon receipt of the defective battery, manufacturer will process the claim and reimburse for any direct freight costs.
  • Warranty does not cover failures in service due to the following conditions:
  1. Normal "wear and tear".
  2. Unauthorized modifications or alterations to the products.
  3. Negligence, accident, abuse, misuses including improper jump starting, or improper, unsuitable or abnormal storage of the products.
  4. Improperly installed or applied batteries. Improperly charged (either under or over) batteries. Opening of batteries that are designed and intended in use as sealed products.
  5. Physical damage due to acts of nature or man which stress products beyond design limits or other undesirable influences.
  • Manufacturer considers AGM batteries to be suitable for light duty mobility equipment only. AGM batteries used in more robust applications such as complex rehab mobility devices, where daily deep discharges are the norm, may void the warranty.
  • Any storage of batteries shall be at an ambient temperature of 77°F or less and user shall give a freshening charge to all batteries every 6 months.
  • Manufacturer shall not be liable for consequential, incidental, special or direct damages, whether the claim for any such damages is based on warranty, tort, contract, or otherwise.
  • Any labor cost for service under warranty is not covered as per our terms of sale.
  • Standard manufacturer terms & conditions are applicable for warranty for this product.

Please call us for specific details.

  • Products return policy is applicable as per the standard manufacturer terms & conditions provided.

Please call us for specific details.