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 advised as 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.
iii. Never open a battery case, try and fix the battery or give it to any one other
than a registered Wisper Stockist for maintenance. (Failure to
comply will void the
warranty)
iv. If a battery is, or appears to be damaged or overheating for any reason, do
not use the bike and immediately return the battery to your retailer for advice
and a safety check.
IMPORTANT
Ignoring any of the safety rules above could cause serious injury or fire.
2.3.12 Wisper 575Wh Lithium Batteries
Bikes fitted with the latest Wisper long range batteries have extra features to help
keep it in
good health.
i. “Deep sleep” or “hibernation” mode.
Once recharged the new Wisper 575Wh battery does not need recharging for up
to 6 months over the winter. We recommend the battery is recharged every 6
months. To put
the battery into deep sleep mode simply press the LED button on
the battery for 10
seconds. If the battery is below 29V, deep sleep will be
activated automatically after
24 hours of non-use. The battery will
automatically wake up when you turn your bike back on.
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