![]() If the display voltmeter randomly fluctuates while at rest, stop using the battery, switch it off, place it outside, and contact Onyx Motorbikes.Don’t charge or store the battery where it can be exposed to temperatures below 32° Fahrenheit or above 120° Fahrenheit.Occasionally use contact cleaner to clean the charger XLR pins and battery XLR portholes.Don’t charge immediately after racing, hill climbs, or days above 90 Fahrenheit.Don’t charge the battery near a heat source such as a radiator.Don’t charge the battery in direct sunlight.It increases the charge cycle count, allows the ions and electrons to rest, reduces its operating temperature, and prevents potential thermal runaways that no BMS can stop on hot days after a hard ride. If the battery is above 105 Fahrenheit, wait till it drops below 95 Fahrenheit before charging at 5 amps and especially at 10 amps.īy allowing the battery to rest after riding before charging has a positive longevity and performance effect. Use the Onyx BMS app or Xiaoxiang BMS app to see your battery’s internal temperatures. On days above 90 Fahrenheit after riding wait an hour before charging. The better you treat your battery on hot days, the better it will continue to perform over time and without sacrificing its charge cycle count.Īfter riding allow the Onyx RCR 41ah battery to rest in the shade for a half-hour before charging, especially with a 10 amp fast charger. Watch for temperatures reaching 120° Fahrenheit as your sign to lean off the throttle. The Onyx 41ah battery can communicate its temperatures via the BMS app. ![]() The Onyx 41ah battery cells are rated to 140° Fahrenheit with the BMS triggering battery cut off at 158° Fahrenheit. More aggressive, faster, and intense hill climbing will generate higher internal battery temperatures. ![]() When the weather temperature is above 85° Fahrenheit, lithium batteries will simply put, react differently during charging and discharging. Right-click or long-press over the image and choose “save image as” to save to your phone or desktop. In other words, there’s nothing to worry about because the battery management system is making sure to deliver 100% of the 41ah battery’s full capacity. The reasoning for both the fully charged and fully depleted conflicts is battery balancing. Presumably, this conflicts with the “total battery capacity” field of 41000mah which adds up to 84 volts.Īlso, the depleted “total cycle capacity” field of 32800mah conflicts with the “cell 20% capacity voltage” field of 3.300 volts. Looking into the programmed fields of the battery management system the fully charged “cell full voltage” field shows 4.15 volts as the maximum voltage for each cell which adds up to 83 volts. On the Onyx Motorbikes 41ah battery page, it states that the operational range of the battery is from 84 volts fully charged to 56 volts depleted which is correct considering 60 volts depleted is also true (plot twist). The Onyx RCR draws 0.6 volts while it is turned on. I suggest primarily use the voltmeter on the display for the exact state of charge percentage level of the battery. The Onyx RCR display has both a battery charge bar and a voltmeter. Your range will most likely differ to be either greater or less based on where you live, temperatures, conditioning of the battery, riding style, and many other factors. These are real-world range averages based on my experience and that of others. Connecting the charger to the wall outlet before connecting it to the battery will prevent sparking from occurring. Plug the charger into the wall outlet before plugging the charger cable into the battery’s (XLR) circular three-prong connector located on the battery.
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