Excel U1 SLA Battery — 12V 35Ah Sealed Lead Acid Mobility Scooter & Power Chair Battery
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Excel U1 SLA Battery — 12V 35Ah Sealed Lead Acid Mobility Scooter & Power Chair Battery
The most common mobility scooter battery — done right. The Excel U1 SLA is a heavy-duty sealed lead acid battery trusted across the widest range of mobility scooters and power chairs on the market. This set of two delivers a complete 24-volt system with no maintenance, no leaks, and no hassle — just reliable power every day.
✔ Set of 2 — 24V System Total ✔ Maintenance Free ✔ No-Leak Sealed Design ✔ Corrosion-Resistant Terminals
Specifications — Each Battery
| Model | Excel XL-U1 SLA |
|---|---|
| Voltage | 12 Volts |
| Capacity | 35 Amp Hours (Ah) |
| System Voltage (Set of 2) | 24 Volts Total |
| Battery Type | Sealed Lead Acid (SLA) — Maintenance Free |
| Terminal Type | NB3 / T6 |
| Dimensions (Each) | 7.72" × 5.14" × 6.22" |
| Weight (Each) | 23.4 lbs |
| Quantity | 1 |
| Warranty | 6-Month Full Replacement Warranty |
Why the U1 Is the Most Popular Scooter Battery Size
The U1 is the industry standard battery size for mid-range mobility scooters and power chairs. It offers a strong balance of capacity, physical size, and affordability — making it the go-to replacement for everyday users who need dependable power without the premium price of a deep cycle gel battery.
- Heavy-duty sealed construction — no acid leaks, no corrosion
- Higher cranking amps for reliable startup performance
- Low self-discharge — holds charge longer during storage
- Greater vibration resistance for outdoor and uneven terrain use
- Maintenance free — never add water or check fluid levels
Get More From Every Charge
Fresh batteries are only part of the equation — how you use and charge your scooter makes a big difference in how long they last. Our How to Use a Mobility Scooter Safely guide covers charging best practices, storage tips, and everyday habits that extend battery life and keep you safe on every ride.
Compatibility
The U1 SLA battery fits a wide range of mobility scooters and power chairs running a 24-volt system. Due to the large number of compatible models, please call us to confirm the correct fit for your specific equipment before ordering.
Call 1-866-218-0902 — Mon–Fri, 9am–5pm EST
Why Buy From Medical Department Store?
- 30+ years serving mobility customers — A+ BBB Rated
- 110% Low Price Guarantee — we beat any competitor
- Mobility specialists on the phone, not a call center
- Ships to all 50 states — 5 Southwest Florida locations for local pickup
Questions before you order? Call 1-866-218-0902 — our team confirms fitment and gets you the right batteries the first time.
