Mobility Scooter Batteries– UK Stock & Fast Delivery
Black Box batteries deliver dependable power and excellent value for daily mobility use
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50Ah Mobility Scooter Batteries – Official Black Box Batteries (Pair)
🔋 Includes 2 batteries (required for most scooters)
£230.00
All prices include VAT
12-month warranty included
Reliable 12V AGM power -built for everyday use
UK Stock – Fast dispatch
💰Excellent value without compromising reliability
Why Choose Power Mobility?
- Knowledge of mobility scooter replacement batteries compatability
- Use trusted brand used by major mobility manufacturers.
- Long-life AGM power and dependable performance.
- Available in 12V 12Ah, 22Ah,35Ah, 50Ah and 100Ah sizes.
Want maximum reliability? Upgrade to premium 50ah MK batteries
🔋 50Ah Mobility Scooter Batteries (Pair) – Black Box AGM Deep Cycle
Heavy-Duty Power for Larger Scooters & Powerchairs
Code: BBB50
Upgrade your scooter’s performance with this pair of Black Box 50Ah 12V AGM batteries – built for reliable, high-output power and consistent range.
You’ll receive 2 brand-new batteries, supplied fresh and ready to install.
👉 As always: replace in pairs for balanced performance and longer lifespan.
📏 Dimension
- Length 199mm
- Width 166mm
- Height 171mm
- Terminal Type Female
✅ Key Features
- 50Ah, 12V AGM deep-cycle batteries – designed for sustained discharge and real-world use
- High current output – ideal for larger, more demanding scooters
- Durable construction – resistant to vibration, shock, heat, and chemicals
- Maintenance-free & sealed – no spills, no topping up
- Low self-discharge – holds charge longer when not in use
- Non-spillable & safe for transport – compliant with air and road transport standards
- Fits most major mobility brands – suitable replacement for 45Ah–50Ah systems
⚡ Performance & Real-World Use
These Black Box batteries are built for deep-cycle mobility use, meaning they handle repeated charging and discharging without falling apart after a few months.
- Approx. 300 cycles at 80% depth of discharge
- Strong high-load performance for hills, heavier users, and longer journeys
- Reliable for daily mobility use, not just occasional trips
(They won’t outlast gel batteries – but they cost less and do the job properly. That’s the trade-off.)
📦 What’s Included
- 2 × Black Box 50Ah 12V AGM batteries
- Fully charged and ready to install
- 12-month warranty
🧠 Compatibility Tip
If your current batteries are labelled:
- 50Ah / 48Ah / 45Ah
👉 These are could be a suitable replacement size.
For best results:
✔ Always replace both batteries together
✔ Ensure your charger supports AGM / lead-acid (not gel-only)
🚚 Delivery
- Fast UK dispatch (1 working day)
- Secure, protective packaging
- Tracked courier delivery
📏 Specifications for BBB50
| Specification | Value |
|---|---|
| Voltage | 12V |
| Capacity | 50Ah |
| Battery Type | AGM (Sealed Lead Acid) |
| Dimensions | 199 × 166 × 171 mm |
| Weight | ~14.3 kg each |
| Terminal Type | F8 / M6 bolt (female insert) |
| Max Discharge (5 sec) | 600A |
| Charge Voltage (Cycle) | 14.4 – 15.0V |
| Float Voltage | 13.5 – 13.8V |
| Max Charge Current | 15A |
| Operating Temp | -15°C to 50°C |
(Data confirmed from manufacturer spec sheet)
🔍 About AGM Batteries (Simple Version)
AGM (Absorbed Glass Mat) batteries:
- Hold electrolyte in glass fibre mats (not free liquid)
- Can be mounted in different positions
- Are sealed, safe, and maintenance-free
They’re the standard choice for mobility scooters because they balance:
✔ Cost
✔ Reliability
✔ Ease of use
💡 Good to Know
- Batteries are tested and matched before dispatch
- First use: allow a full charge cycle before long trips
- Store charged if not in use to extend lifespan
🛒 Need a Different Size?
Browse the full range here:
👉 PowerMob Battery Shop
🔋 Mobility Scooters & Powerchairs Using 50Ah Batteries
(Compatibility can vary — always check dimensions, terminals, and space before ordering.)
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