Fullymax 12S 22000MAH 20C Intelligent Battery for Agriculture Drone UAV Drones is great for high capacity 15L, 16L, 20L,22L agricutlure drone and other big multirotors.
Item Brand: Fullymax
Nominal Voltage: 44.4V
Nominal Capacity: 22000mAh
Charging Voltage: 50.4V (4.2V/Cell)
Charging Current: Max. 27.5A
Storage Temperature: -10℃－+35℃
Recommendatory storage condition:Temperature range: -20～+25℃/Humidity: 0%～75%RH
1.Battery Life Reminder
When you use the battery for 200 times, all the LED indicators of the power indication will turn red, indicating that the battery life has been reached.
2. Automatic Turnoff Function
If the battery is not in use in 10 minutes after you switch on, it will automatically shut down to save battery power.
3.Turn on function
In the shutdown state, short press the button, the LED will light up to indicate the power and before it goes out (within 3s), then press and hold the button，after a delay of 2s, the lowest capacity indicator will light up in sequence every 0.2 seconds until all the power indicators are indicated with green color,the battery is turned on. If the user releases the button in the middle, all indicators will be delayed after 3s Off, the battery does not turn on.
4.Turn off function
In the power-on state, first press the button once (within 3s) and then press and hold the button, after a delay of 2s, every 0.2 seconds
Starting from the highest capacity indicator lights, turn off in turn, until all the power indicator lights are off and the green working indicator lights go out, the battery
Shut down, if you release the button halfway, all the LED lights will flash for 3s, and then it will be restored to display the current power.
When the total voltage is higher than 48V, you can enter the storage self-discharge mode after 7 consecutive days of no work or long press the power button for 5 seconds.
At this time, the battery white LED is always on as a reminder. When the self-discharged battery voltage is lower than 46.56V, the storage is complete. The battery is off.
During the self-discharge process, you can also click the switch button to end the storage discharge mode.
6.Self-protection in storage
When the battery voltage exceeds 4.0V/cell, press and hold the power button for 5 seconds to automatically discharge the battery to 3.88v/cell for saving
1.Do not use or leave the battery at very high temperature (for example, at strong direct sunlight or in a vehicle in extremely hot weather). Otherwise, it can overheat or fire or its performance will be degenerate and its service life will be shortened;
2.Do not use it in a location where static electricity is rich, otherwise, the safety devices
may be damaged, causing a harmful situation;
3.In case the electrolyte getting into the eyes due to the leakage of battery, do not rub the eyes! Rinse the eyes with clean running water, and seek medical attention immediately.Otherwise, it may injure eyes or cause a loss of sight;
4.If the battery gives off an odor, generates heat, becomes discolored or deformed, or in any way appear abnormal during use, recharging or storage, immediately remove it from the device or battery charger and place it in a contained vessel such as a metal box;
5.Please use a dedicated charger to charge, and away from the high temperature environment;
6.Please charge the battery in time after use, to avoid over discharge caused by long-term storage and damage the battery;