New & Used Car Dealer | Surrey, Chessington & West Sussex

EV battery health Understanding EV battery health helps drivers maximise range, efficiency, reliability and long-term electric driving enjoyment.

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How EV batteries work

Battery Capacity

Battery Lifespan

Prolonging Lifespan

Replacement Cost

View our new electric models Explore the latest Audi, Geely, Honda, ŠKODA and Volkswagen electric vehicles – available now at Drift Bridge.

New Electric Models

How to charge EV batteries Charging an electric vehicle is simple and convenient. Charging from a regular three‑pin socket is possible but best kept for occasional use. For daily charging, a dedicated home wallbox is safer, swifter and more efficient. The quickest option when travelling is public rapid charging stations. Whichever method you choose, the battery stores electricity ready to power smooth, quiet journeys. Charging Explained

How do electric batteries work? Electric vehicle batteries store energy that powers the motor instead of a petrol or diesel engine. When you accelerate, stored electricity flows through the power electronics to drive the motor. During braking, energy that would normally be lost is recovered and returned to the battery. This process, known as regenerative braking, helps extend range and improve overall efficiency.

Electric car battery An electric car battery is the heart of an EV, storing energy that powers the motor and all onboard systems. Modern battery packs are carefully engineered for safety, durability and efficiency, delivering smooth acceleration, quiet performance and dependable range for everyday journeys and longer trips.

Lithium-ion batteries Most modern electric vehicles use lithium-ion batteries, the same advanced technology found in smartphones and laptops. They store large amounts of energy in a compact space, charge efficiently and deliver consistent power. Their durability and performance make them ideal for everyday electric driving.

Electric car battery capacity Battery capacity determines how much energy an electric vehicle can store and therefore how far it can travel. Expressed in kilowatt hours, larger capacities generally provide longer driving range, while efficient motors and regenerative braking help maximise every stored unit of energy.

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Lithium-ion battery capacity is measured in kWh (kilowatt hours) Battery capacity is measured in kilowatt hours, showing how much electrical energy the battery can store and deliver.

The average capacity is around 40 kWh, but some cars have up to a 100 kWh capacity Smaller EVs typically feature around 40 kWh capacity, while larger models can reach or exceed 100 kWh.

Volkswagen ID.7 86 kWh capacity travels up to 433 miles on a single charge The Volkswagen ID.7 with an 86 kWh battery can travel up to 433 miles on a single charge. (Pro S Match Plus trim.)

What’s the lifespan of an electric car battery? Electric car batteries are built to last many years of everyday driving. Most manufacturers design them to retain strong performance, offering them with a warranty of eight years/100,000 miles. However, you can typically expect them to perform beyond 100,000 miles. Battery management systems carefully control temperature and charging conditions to protect long term durability. With normal use, many EV batteries remain efficient for a decade or longer.

How long do EV batteries last? Most EV batteries are expected to last between eight and fifteen years depending on usage and charging habits. Manufacturers typically provide eight-year/100,000-mile battery warranties, offering reassurance that performance and capacity will remain strong throughout years of electric driving. Find Out More

Prolonging your battery’s life Good charging habits and smooth driving help maintain battery health and performance. Avoid frequent rapid charging where possible, keep charge levels moderate for everyday use and maintain recommended servicing schedules to support long-lasting electric vehicle reliability.

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Avoid Overcharging Regularly charging to maximum capacity is unnecessary for daily driving and may place additional stress on the battery over time. Maintaining charge levels between roughly 20% and 80% helps support long-term battery health.

Charge overnight Charging overnight at home is one of the most convenient and battery-friendly ways to power an electric vehicle. Slower charging rates generate less heat and help maintain stable battery conditions for everyday use.

Accelerate Smoothly Smooth acceleration helps reduce sudden power demands on the battery and electric motor.
Gentle driving not only improves efficiency and range, but it also contributes to healthier long-term battery performance.

View our used electric models Browse a wide range of quality pre-owned electric vehicles – available now from Drift Bridge.

Used Electric Models

Testing battery health Battery health checks help confirm performance, efficiency and remaining capacity. Our skilled technicians use specialist diagnostic equipment to evaluate the condition of battery cells and control systems, providing reassurance that your electric vehicle continues to deliver dependable range and everyday reliability.

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Using the Dashboard Monitor Most electric vehicles include built-in dashboard displays showing current battery charge, remaining driving range and energy consumption. These real-time indicators help you understand performance and adjust your driving habits for greater efficiency.

Diagnostic Scans Professional diagnostic scans connect directly to the vehicle’s electronic systems. Our manufacturer-trained technicians can review battery condition, charging behaviour and performance data to identify potential issues quickly and accurately.

Diagnostic Tools and Apps Specialist diagnostic tools and smartphone apps allow detailed monitoring of electric vehicle battery performance. These systems provide useful data about charging behaviour, efficiency and overall battery condition.

Battery replacement cost Battery replacement costs vary depending on vehicle model and battery size. Fortunately, modern EV batteries are designed for long service life and rarely require replacement during normal ownership.

Battery recycling When an EV battery eventually reaches the end of its automotive life, valuable materials can be recovered and reused. Specialist recycling processes reclaim metals and components, supporting sustainability while reducing environmental impact.

Reg Office: Drift Bridge Garage Limited Reigate Road Epsom Surrey KT17 3LA

Reg. Company Number: 700833

VAT Reg. No. 448809215

Financial Disclosure

Drift Bridge Garage Limited is an appointed representative of ITC Compliance Limited I which is authorised and regulated by the Financial Conduct Authority (their registration number is 313486). Permitted activities include advising on and arranging general insurance contracts and acting as a credit broker not a lender.

We can introduce you to a limited number of finance providers. We do not charge a fee for our Consumer Credit services. We do not act as a financial adviser, or fiduciary. We act in our own interest, whichever lender we introduce you to, we will typically receive commission from them based on either a fixed fee or a fixed percentage of the amount you borrow. Any and all commission amounts will be fully disclosed to you as part of your sales journey. You will be required to give your fully informed consent to our receipt of this commission. By doing this, you acknowledge that you understand our role as a credit broker, and that we will receive a financial incentive if you take out a loan from a lender that we introduce you to.

All finance applications are subject to status, terms and conditions apply, UK residents only, 18s or over, Guarantees may be required

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