Giant e-bike battery
Is your GIANT electric bike not working as well as it used to? It may be time to replace the battery of your electric bike! Discover our range of GIANT electric bike batteries that will bring your bike back to its original performance!
2-year warranty, expert after-sales service in France, payment in 3x without charge, a question? Call our experts at 09 67 04 31 33.See more
FIND THE RIGHT BATTERY for my vehicle
Looking for a new Bosch battery?
There are 14 products.
There are 14 products.
Giant has revolutionized electric bikes with its Hybrid Cycling technology. By integrating its motors (often based on optimized Yamaha systems) and high-performance EnergyPak batteries, Giant offers a smooth and natural riding experience. With a range adapted to every need (sport, leisure, etc.), the brand has become a reference for cyclists.
How do I know if my Giant e-bike battery needs to be replaced?
Several signs may indicate that your battery is no longer working properly:
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- Reduced range, even after a full charge.
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- Your bike battery no longer charges or the charge level remains very low. In this case, try charging your battery with another charger if possible to identify the source of the issue.
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- The electric assistance suddenly stops or your bike turns off while riding.
If you notice one of these signs, you can check the voltage with a multimeter. You can also consult our complete guide on how to test your battery. You may also check the mileage via the Giant app (RideControl App): a high mileage often indicates battery wear.
Stop using your bike immediately if:
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- Your battery or charger overheats while charging
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- You notice swelling (even slight)
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- You see leakage from the battery
If you are unsure whether your battery can be repaired or needs replacement, contact our team of experts at +33 9 67 04 31 33.
Which Giant battery should you choose?
To choose the capacity of your Giant battery, first determine your usage (subject to compatibility). For example:
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- 400Wh or less for short urban trips
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- 500 to 625Wh for mixed use
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- 800Wh for long distances
To calculate battery power in Wh, multiply the voltage (e.g., 36V) by the capacity in Ah.
You should also consider the battery location (frame or rear rack) and the voltage indicated on your battery (usually 36V).
All this information is available on the product pages for each Giant battery. To quickly find the right battery, you can also enter the model number shown on your battery label in the search bar on our website.
How much does a Giant e-bike battery cost?
The price of a Giant electric bike battery mainly depends on its technology (standard EnergyPak or EnergyPak Smart) and its energy capacity (Wh). Prices usually range between €300 and €800.
How to maximize the lifespan of your Giant battery?
We recommend following the manufacturer’s guidelines:
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- Never store your battery fully charged or completely empty for a long period.
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- Do not expose your battery to direct sunlight or cold temperatures for long periods.
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- Store the battery at about 60% charge (3 out of 5 LEDs), remove it from the bike and keep it in a dry place.
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- Check the LED status once a month.
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- Perform a maintenance charge at least every three months.

