🔋 Types of Electric Wheelchair Batteries
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Sealed Lead-Acid (SLA) Batteries
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Gel Cell: Uses a gelified electrolyte; leak-proof and maintenance-free.
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Absorbent Glass Mat (AGM): Uses glass mats to absorb the electrolyte; also maintenance-free.
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Lithium-ion Batteries
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Lightweight, long-lasting, faster charging, and more expensive than SLA.
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Increasingly popular in newer, high-end wheelchair models.
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🌟 Key Features of Electric Wheelchair Batteries
| Feature | Description |
|---|---|
| Voltage | Most use 12V batteries in pairs (24V system). |
| Amp-Hour Rating (Ah) | Indicates battery capacity; higher Ah = longer range. |
| Rechargeable | Designed for frequent charging and discharging cycles. |
| Maintenance-Free | Especially true for SLA and lithium batteries. |
| Sealed Design | Prevents leaks and allows safe use indoors. |
| Compatibility | Must match wheelchair specs (voltage, size, connectors). |
| Charging Time | Varies by type; lithium charges faster than SLA. |
| Cycle Life | Lithium: 800–1000+ cycles; SLA: 300–500 cycles. |
⚠️ Important Considerations
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Range: Most batteries offer a range of 10–20 miles per charge.
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Weight: SLA batteries are heavier; lithium batteries reduce overall chair weight.
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Air Travel: Not all batteries are airline-approved; lithium batteries often require documentation.
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Charging: Always use the manufacturer-approved charger.
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