Is your e-bike battery draining faster now that it's cold? You're not alone. Cold weather affects all lithium-ion batteries. It's a normal physical reaction, not a defect. The good news is, you can take simple steps to improve your winter range and protect your battery.
Why Your Battery Acts Differently in Cold Weather
-
First, cold temperatures slow down the battery chemistry.
-
Because of this, the battery cannot give all its power. You may lose 20-30% of your normal range.
-
The good news is, this effect is temporary. When the battery warms up, its power returns.
Smart Tips Before You Ride
-
If possible, store your bike or battery indoors at night. A warm start is the best start.
-
Also, plan shorter trips. Expect less range than in summer.
-
Finally, check your tire pressure. Low tires make the motor work harder.
How to Ride to Save Battery
-
For example, use a lower assist level (like Eco mode). It uses less battery power.
-
Also, pedal a little when you start moving. This helps the motor and saves energy.
-
Remember, smooth riding is better than fast starts and hard stops.
The Most Important Rule: Charging in Winter
-
Instead, bring the bike indoors after your ride. Then, wait 2-3 hours for the battery to warm up.
-
Only then should you plug in the charger.
-
Always charge in a dry, indoor place where you can see it. Never leave it charging alone.
If You Are Not Riding for Weeks (Storage)
-
First, charge the battery to about 50-60%.
-
Next, store it in a cool, dry place indoors. A cold garage is not a good place.
-
Finally, check the battery every month. If the power is very low, charge it back to 50-60%.
Simple Do's and Don'ts
-
DO store your battery indoors.
-
DO let the battery warm up before charging.
-
DO use lower assist levels in winter.
-
DON'T charge a freezing cold battery.
-
DON'T leave your battery outside in the cold for days.
-
DON'T expect summer-range in winter.
![]()
How should you use the battery?
when you first get the jansno ebike, FULLY CHARGE BATTERIES BEFORE FIRST USE!
Recommended charge times: Li-lon (Lithium lon) batteries 4-6 hours.For your personal and property safety, if no one is vigilant,please don't charge the battery indoors.We recommend that you consult a bicycle specialist if you have doubts or concerns as to your experience or ability to properly assembly, repair, or maintain your bicycle.
Conclusion
Winter riding is still fun. Just remember to keep your Jansno battery warm, charge it the right way, and ride smoothly. Follow these simple steps for a great ride all season long.
FAQ:
Q: Can I use a heater or hairdryer to warm up my battery faster?
A: No. Never use direct heat. Let it warm up naturally indoors. Fast heating can be dangerous.
Q: Why does my battery meter jump around in the cold?
A: This is normal. Cold temperatures make the reading less accurate. Trust your riding range more than the bars.
Q: Should I calibrate my battery more often in winter?
A: Yes, if needed. If the meter seems very wrong, do one full charge cycle (from low to 100%) indoors to reset it.
Contact us