MK Battery M22NF SLD G — 12V 51Ah Gel Deep-Cycle Battery

The Group 22NF gel battery — one of the most common batteries in full-size power mobility equipment. Used in pairs (2× 12V = 24V system) on a wide range of mid- to high-power chairs.

Specifications:

• Voltage: 12V
• Capacity: 51.0 Ah (20-hour rate) / 43.2 Ah (5-hour rate)
• Weight: 37.5 lbs (17 kg)
• Dimensions: 8.99" L × 5.47" W × 9.26" H
• Terminal: Type G — offset post with horizontal hole, stainless steel 5/16" bolt and hex nut
• Group: 22NF

Recommended charger: M-D-EN0801 (or equivalent 5A)

Common compatibility: Quantum Q6 Edge series, Pride Jazzy 600/1100 series, Invacare Ranger II/Pronto/Nutron series, Permobil Koala, Drive Medical Medalist 450, Merits MP3 series. See full lookup file.

About MK Genuine Gel batteries:

• Sealed VRLA construction — no watering, no acid fumes, no spills
• Gelled electrolyte will not stratify — no equalization charging required
• Extended deep cycle ability — up to 1100 cycles for typical mobility use
• Less than 2% per month self-discharge in storage
• Non-spillable per DOT, ICAO, and IATA definitions — safe for air travel
• F.A.A., IATA, and UPS approved for shipping
• Built-in safety vent prevents over-pressurization

Plate alloy: Lead Calcium  |  Charge voltage: 2.30–2.43 vpc  |  Operating range: -76°F to 140°F

Supplier reference: MK Battery M22NF SLD G