Back to guidesStore at 40–60% charge for long-term storage (over 2 weeks) Ideal storage temperature: 10–20°C Never store fully depleted — below 10% triggers deep discharge protection and the BMS may not recover Use only the supplied WheelLab charger — cheap aftermarket chargers skip balancing and shorten cell life Charge after every ride when possible Don't leave at 100% overnight repeatedly — charge to 90% for daily use if your charger allows it Store battery indoors overnight Fit it to the bike just before riding — never leave it outside in a cold garage Start at low assist to warm cells for the first 5 minutes Buy the neoprene insulating sleeve if you ride year-round — keeps cells 5–8°C warmer Any visible swelling or deformation of the case Unusual heat during charging (surface temperature above 45°C) Sudden significant capacity drop (40%+ in one charge cycle) BMS repeatedly cutting out at partial charge
Battery Care & Cold Weather Tips
Keep your WheelLab battery performing at its best year-round
Battery Care Guide
Storage
Charging
Danish Winter Operation
Battery capacity drops ~20–30% below 5°C and ~40% below 0°C. This is chemistry, not a defect.
**Winter tips:**
Charging in Cold Weather
Never fast-charge a battery below 5°C — lithium plating can cause permanent capacity damage and in extreme cases, thermal issues. Standard 2A charging is safe down to 0°C. Below 0°C, warm the battery indoors first.
Lifespan
With proper care: **800+ full cycles** before capacity drops below 80%. At 3 rides/week = 5+ years of use.