6
2.2.7
Check the battery for any visible signs of damage.
2.3
Battery care
2.3.1
Your Wisper bike comes with a high quality lithium ion battery. All lithium batteries need to
be looked after to ensure years of full use. The latest Wisper 575Wh batteries come with
new technology installed to assist you in looking after your battery and will be dealt with
separately. Following these easy steps will ensure the long life of your battery
2.3.2
Recharge your battery after every use if possible.Keeping your battery charged extends its
life and your bike is always ready to go.
2.3.3
You do not have to “condition” your battery by charging and discharging before it’s first use.
This was the case with old lithium ion technology but is not necessary on modern batteries
2.3.4
Never leave your battery completely discharged for more than 24 hours. Voltage dropping
below minimum for any length of time will cause serious damage to your battery cells. *
2.3.5
Recharge your battery every month even if you are not using the bike. Most lithium Ion
batteries will continue to discharge even when the bike and battery are turned off (see
above). If your battery falls below minimum Voltage, it may not be recoverable. *
2.3.6
Do not expose the bicycle or battery pack to fire, heat sources, acid or alkaline substances.
2.3.7
When leaving your bicycle during hot weather, always leave in a shaded well ventilated area.
2.3.8
For best results, always recharge and store the battery at room temperature.
2.3.9
Before unloading the battery, make sure it is turned off and unload the battery using its
handle.
2.3.10 Further information on user responsibilities and battery maintenance are included in the
warranty section of this manual.
* The most common cause of battery failure the owner not keeping to points 4 and 5 above.
This is the most common reason for customers to need to replace batteries. This is
particularly noticeable in the spring when customers are using their bike for the first time in
the new year. We get most calls regarding failing batteries during this period.
IMPORTANT
If your battery is damaged due to your leaving it discharged, or not recharging when
advisedas per this manual your battery is not covered by our warranty.
Battery safety
2.3.11
i. Never leave a battery connected to the charger or mains power over-night.
ii. Never recharge a battery outside, in damp conditions or in temperatures less then 0
degrees centigrade.