The type of battery inside your mobility scooter plays a major role in how far you can travel, how often you charge, and how much your scooter weighs. The two most common types are Sealed Lead Acid (SLA) and Lithium-Ion batteries — each with its own pros and cons.
Here’s a breakdown to help you understand the key differences and choose what’s right for your lifestyle.
Sealed Lead Acid (SLA) Batteries
SLA batteries have been the standard in mobility scooters for decades. These are heavy, durable, and cost-effective, but they do have limitations compared to newer battery technology.
Key Features:
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Lower cost upfront
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Heavier in weight
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Slower to charge (may take 8–12 hours)
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Typically rated for 300–500 charge cycles
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May lose charge faster if not used regularly
Best For:
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Users who need a reliable, budget-friendly battery
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Scooters that aren’t used daily or for long distances
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Heavier scooters where portability isn’t a top priority
Lithium-Ion Batteries
Lithium-Ion batteries are the newer standard in personal electronics and now gaining popularity in mobility scooters. They are lightweight, faster-charging, and longer-lasting.
Key Features:
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Significantly lighter than SLA batteries
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Charges faster (often in 4–6 hours)
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Lasts longer — up to 1,000+ charge cycles
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Holds charge well, even during periods of non-use
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Higher upfront cost, but better long-term performance
Best For:
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Frequent users and daily mobility needs
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Those who value portability and travel
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Users looking for longer range and shorter charge times
Side-by-Side Comparison
| Feature | Sealed Lead Acid (SLA) | Lithium-Ion |
|---|---|---|
| Weight | Heavy | Lightweight |
| Charge Time | 8–12 hours | 4–6 hours |
| Battery Lifespan | 300–500 cycles | 800–1,500+ cycles |
| Cost | Lower upfront cost | Higher upfront cost |
| Range & Performance | Standard | Longer range & better output |
| Portability | Less ideal for travel | Travel-friendly |
| Ideal Use | Casual or occasional use | Frequent or long-distance use |
Which One Should You Choose?
If you're looking for low cost and don’t mind longer charge times or heavier equipment, SLA batteries are still a solid option.
If you want longer range, lighter equipment, and less time plugged in, lithium-ion batteries are worth the investment.
Still Have Questions?
Call us at 888-413-8994 or email helpdesk@medmart.com. Our team can help match you with the right scooter and battery configuration for your needs.
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