shorten the battery lifespan and result in permanent battery damage.
When the battery pack is fully discharged and powered off, it is recommended to charge it within
24 hours even for 5 to 10 minutes.
Before connecting batteries, whether these batteries have been used separately and are
reconnected or these batteries are connected and mounted in the mower for the first time, fully
charge each battery to ensure that voltage difference between the batteries is within a proper
range during connection. After connection, fully charge each battery as soon as possible to reduce
the voltage difference and charging and discharging current between the batteries.
Before connecting batteries, ensure that each battery has the same battery level (voltage),
otherwise the large charging and discharging current may cause damage to the batteries.
If the batteries are not used for a long time (for days or weeks), press the start/stop button to
reduce the power consumption in the standby mode and prolong the storage time of the batteries.
Ensure that the battery level is at least 50% before long-term storage and recharge the batteries
every three months during storage to maintain battery health.
The recommended storage temperature is 25°C (77°F). It is recommended to store the batteries
for no more than one month at -20°C to 45°C (-4°F to 113°F), and no more than six months at 0°C
to 35°C (32°F to 95°F);
The optimum charging temperature of the batteries is 0°C to 40°C (32°F to 104°F), and the
optimum discharging temperature is -15°C to 50°C (5°F to 122°F).
Avoid violent vibration during the use and storage of batteries.
9.9 Precautions for Maintenance
Park the mower on the level ground. Ensure that the lap bars are in the parking position, and that
the blade switch is turned off. Raise the cutting deck and press the start/stop button to power off
the mower.
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