Posted by The Battery Store Team on 24th Jun 2025

Mobility Scooter Battery Guide 2025 | Battery Store UK

How to Choose a Mobility Scooter Battery (2025 Buyer’s Guide)

A reliable mobility scooter battery isn’t just a convenience—it’s your freedom. Whether you're running daily errands or enjoying your independence outdoors, the battery powering your scooter plays a vital role in how far, fast, and safely you can travel.

With so many options out there, choosing the right battery can feel overwhelming. This 2025 buyer’s guide breaks down everything you need to know to make a smart, informed decision.

Signs You Need a New Battery

Before we dive into what to buy, let’s talk about when to buy.

Here are common signs your mobility scooter battery may need replacing:

  • ⚠️ Reduced range: You can’t go as far on a full charge.

  • ⚠️ Frequent recharging: You’re charging more often than usual.

  • ⚠️ Slow speed: Your scooter feels sluggish, especially on inclines.

  • ⚠️ Visible damage: Bulging, leaking, or corrosion around the terminals.

  • ⚠️ Age: Most batteries lose efficiency after 12–24 months of regular use.

If you’ve noticed one or more of these issues, it may be time to consider a replacement.

Types of Mobility Scooter Batteries

There are three main types of batteries used in mobility scooters. Each has pros and cons depending on your usage and budget.

AGM (Absorbent Glass Mat) Batteries

  • Best for: Moderate daily use

  • ✅ Maintenance-free, sealed design

  • ✅ Fast charging, affordable

  • ❌ Slightly shorter lifespan than gel or lithium

Gel Batteries

  • Best for: Indoor use or frequent short trips

  • ✅ Spill-proof, deep discharge friendly

  • ✅ Durable and stable in temperature swings

  • ❌ Slower to recharge than AGM

Lithium Batteries

  • Best for: Long trips, lightweight scooters, or heavy users

  • ✅ Very lightweight

  • ✅ Long lifespan (3–5 years)

  • ✅ Fast charging

  • ❌ Higher upfront cost

  • ❌ May not be compatible with older scooters

Pro Tip: Always check your scooter manual or consult your supplier before switching battery types—especially if upgrading to lithium.

Battery Size and Capacity: What You Need to Know

Battery size and capacity directly affect how far and how fast you can go. Here’s what to consider:

Amp-Hours (Ah)

This measures how much energy a battery can store. The higher the Ah, the longer your scooter will run between charges.

Voltage (V)

Most mobility scooters run on 24 volts, supplied by two 12V batteries connected in series.

Physical Size

Make sure the replacement battery fits inside your scooter’s battery compartment. Measure carefully or refer to your current battery model.

Weight

Heavier batteries can be harder to carry and install—especially if you travel or transport your scooter often.

Charging and Maintenance Tips

Maximize the life of your mobility battery with proper care:

  • Charge daily after use, even if only used for a short trip.

  • Don’t let it fully discharge, especially AGM or gel batteries.

  • Store in a cool, dry place—avoid freezing temps or direct heat.

  • Use the correct charger—not all chargers work with all battery types.

  • ⏱️ Don’t overcharge—unplug once fully charged unless using a smart charger.

⏳ How Long Do Mobility Scooter Batteries Last?

Battery lifespan depends on usage, type, and care:

  • AGM/Gel Batteries:

    • Light use: 2–3 years

    • Daily/heavy use: 12–18 months

  • Lithium Batteries:

    • Typically 3–5 years, even under frequent use

Keeping your batteries charged and stored properly can significantly extend their life.

❓ Frequently Asked Questions

Q: Can I replace just one of the two batteries in my scooter?

A: No. Always replace both batteries at the same time to avoid imbalance and premature wear.

Q: Can I switch from AGM to lithium?

A: Only if your scooter supports lithium. Some older models are not compatible.

Q: How do I recycle old mobility batteries?

A: Take them to your local recycling centre or ask your battery supplier if they offer a take-back scheme.

Q: What's the best battery type for cold weather?

A: Gel batteries tend to perform better in colder conditions than AGM, but lithium still offers the best overall performance—if compatible.

Choosing the right battery for your mobility scooter in 2025 comes down to three things: compatibility, capacity, and lifestyle. Whether you value range, recharge speed, or long-term durability, there’s a battery that fits your needs—and budget.

Need help choosing? Contact our team or explore trusted mobility scooter batteries at BatteryStore.co.uk.