euke, 08/07/2013 15:05:
No è che si scaricano, altrimenti le moto non partirebbero più del tutto!
Diciamo che col freddo faticano ad erogare corrente. Non ho provato ad avviarla a freddo coi fari accesi (ho lo xeno e lo spengo) per vedere se l'assorbimento iniziale del faro genera calore a sufficienza per "scaldare" la batteria.
E comunque, cerca ad esempio su google "batteria shorai freddo"...
Ecco il "trucco dei fari accesi" direttamente spiegato da Shorai:
"Shorai LFX are much better in cold-weather conditions than other-brand lithium starter batteries, due to our eXtreme-rate formulation with low resistance. Down to about 20 degrees fahrenheit (-7C) most users find that they can start normally on first crank. If your headlight comes on at key-ON, it is good for the batteries to flow some current before cranking in cold weather. The suggested headlight-on time before cranking depends on the temperature. If starting at 40f (5C), 30 seconds will help wake the battery and increase cranking performance. If at 0f (-17C), leave the lights on for 4~5 minutes before cranking. The result will be a better first crank, and longer battery life. Any other accessories that can be turned on before cranking can also be used for this purpose, such as heated gear, radio, etc..."