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The Giant EnergyPak Smart Compact 500 Integrated (36V / 500Wh) Type E is a premium OEM battery designed specifically for compatible Giant e-bike models. Its compact form factor allows for an elegant integration within the bike frame, maintaining a sleek and streamlined appearance without sacrificing power. With a 500Wh capacity and 36V voltage, this battery delivers dependable energy for daily commuting, leisurely rides, and longer adventures alike.
Engineered to communicate seamlessly with Giant's RideControl display system, the EnergyPak Smart Compact 500 offers real-time charge monitoring and efficient power management across all assist levels. The integrated mounting system securely locks the battery into the downtube, contributing to a balanced ride feel by centralizing weight and preserving the bike’s handling dynamics. This integrated design is a significant advantage compared to externally mounted batteries, which can affect balance and aesthetics.
Distinct from other EnergyPak variants like the Type A, the Type E is tailored for specific Giant e-bike models, making it crucial to verify compatibility before purchase. Our expert team is available to help confirm your bike’s battery type, ensuring you receive the correct replacement. Explore the complete Giant collection or browse our e-bike spares and switches for additional components and accessories to complement your setup.
Whether you need to replace an aging battery or want a spare to support extended rides, the EnergyPak Smart Compact 500 Type E promises reliability, seamless integration, and the trusted quality of genuine Giant parts. Pair it with your compatible Giant e-bike to maintain optimal performance and enjoy every ride with confidence.
What is the difference between the EnergyPak Smart Compact Type E and Type A?
Both share the same 36V / 500Wh capacity, but the Type E and Type A have different physical connectors and mounting configurations, making them model-specific. Always check which type your Giant e-bike requires before ordering.
Is this a genuine Giant battery?
Yes — this is a genuine OEM Giant EnergyPak, ensuring full compatibility with your bike's motor and RideControl system, and preserving any applicable manufacturer warranty.
What does "Smart" mean on a Giant EnergyPak?
"Smart" indicates the battery integrates with Giant's RideControl display, providing real-time charge level communication and full power management functionality across all assist modes.
Can I use this as a second battery to extend my range?
Yes — if your riding plans require more range than a single charge provides, carrying a spare EnergyPak and swapping at a rest stop is a practical solution. Ensure your charger is compatible with this battery type.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.