1. 308duo is suitable for power supply above 1500W and voltage between 24-30V (charger input current is limited)
2. 406duo is suitable for power supply above 1500W and voltage between 24-30V (charger input current is limited)
3. Please do not use a power supply lower than 1500W, otherwise it will easily burn the charger or power supply
4. 4010 is suitable for power supply above 2000W and voltage between 42-48V
5. If you must use a low-power power supply (outfield battery pack), please set the power of the charger to limit the use within the power of the power supply (outfield battery pack), and do not use it at full power. For specific settings, refer to the manual.
6. Please note that before connecting the charger, it is best to power on the power supply first, and then power on the charger after the power supply voltage is stable, so as to avoid the damage to the charger due to the unstable peak voltage of the instantaneous voltage of the power supply of poor quality.
7. The output wire and input wire in the charger are standard without plugs. You need to go back and weld the required battery head and power head by yourself.
8. Weight: about 1.29 kg
9. Charger size: about 17x11.8x5.8 cm
10. Please note: This charger does not come with a power supply

308DUO performance characteristics:
1. Adopt advanced high-efficiency synchronous buck-boost technology, high power, high current, high conversion efficiency
2. The charging power is 1300W (MAX), the channel charging and discharging current is up to 30A, and the two-channel synchronous mode charging and discharging current is up to 50A.
3. Each channel supports 8 strings of LiPo, Lilo, LiFe and NiZn, with a maximum balance current of 1.2A, adopts a unique internal resistance correction balance algorithm, supports 1-20 strings of NiMH, NiCd battery charging; supports 1-15 strings Lead-acid battery charging
4. With 1A/5V USB charging port, it is convenient for users to charge mobile phones and tablets
5. After the charger is powered on, when the channel output is connected to the battery, the anti-sparking protection is automatically activated, and the intelligent fan control
6. Through the internal temperature sensor, the speed of the fan is controlled. Internal temperature protection
7. When the internal temperature is greater than the attenuation temperature, the device will automatically reduce the output power; when it is greater than the shutdown temperature, the device will automatically shut down
8. The machine can save the parameter settings of 64 sets of batteries, and supports data import/export SD card, 2.8-inch color LCD display
9. Provide rich information display: current, voltage, electricity, power, internal resistance, control status, consumption time, temperature, etc.
10. A variety of discharge functions: local discharge, recovery to input discharge, and lithium battery extended discharge function to support battery offline and online internal resistance measurement
11. Not only can measure the internal resistance of the entire battery pack, but also measure the internal resistance of each cell for the lithium battery pack. Provide comprehensive protection
12. Input or output reverse polarity protection, input voltage/current protection, battery temperature protection, capacity protection, time protection, maximum power, etc. Support hardware program update through USB port or SD card, and can display charge and discharge data through logview software , graphing and analysis

406DUO performance characteristics:
1. Adopt advanced high-efficiency synchronous buck-boost technology, high power, high current and high conversion efficiency. The charging power is 1400W (MAX), the channel charging and discharging current is up to 40A, and the two-channel synchronous mode charging and discharging current is up to 70A.
2. Each channel supports 6 strings of LiPo, Lilo, LiFe and NiZn, with a maximum balance current of 1.2A, adopts a unique internal resistance correction balance algorithm, supports 1-16 strings of NiMH, NiCd battery charging; supports 1-12 strings Lead-acid battery charging, with 1A/5V USB charging port, convenient for users to charge mobile phones and tablets
3. After the charger is powered on, when the channel output is connected to the battery, the anti-sparking protection is automatically activated
4. Intelligent fan control, through the internal temperature sensor, control the speed of the fan
5. Internal temperature protection, if the internal temperature is greater than the attenuation temperature, the device will automatically reduce the output power; if it is greater than the shutdown temperature, it will automatically shut down
6. The machine can save the parameter settings of 64 sets of batteries, and supports data import/export to SD card
2.8 inch color LCD display
7. Provide rich information display: current, voltage, electricity, power, internal resistance, control status, consumption time, temperature, etc.
8. Multiple discharge functions: local discharge, recovery to input discharge, and lithium battery extended discharge function
9. Support battery offline and online internal resistance measurement, not only can measure the internal resistance of the entire battery pack, but also measure the internal resistance of each cell for the lithium battery pack
10. Provide comprehensive protection, input or output reverse polarity protection, input voltage/current protection, battery temperature protection, capacity protection, time protection, maximum power, etc.
11. Support hardware program update through USB port or SD card, and can display, draw and analyze charging and discharging data through logview software

4010DUO performance characteristics:
1. Adopt advanced high-efficiency synchronous buck-boost technology, high power, high current and high conversion efficiency. The charging power is 2000W (MAX), the channel charging and discharging current is up to 40A, and the two-channel synchronous mode charging and discharging current is up to 70A.
2. The channel supports 10s LiPo, Lilo, LiFe, and the maximum balance current is 1.2A, using a unique internal resistance correction balance algorithm
3. Intelligent fan control, through the internal temperature sensor, control the speed of the fan
4. Internal temperature protection, if the internal temperature is greater than the attenuation temperature, the device will automatically reduce the output power; if it is greater than the shutdown temperature, it will automatically shut down
5. Users can save the parameter settings of 32 sets of batteries, and support SD card import and export data.
6. TFT liquid crystal display, providing rich information display: current, voltage, electricity, power, internal resistance, control status, consumption time, temperature, etc.
7. Multiple discharge functions: local discharge, recovery to input discharge, recovery to channel discharge, and lithium battery extended discharge function
8. Support battery offline and online internal resistance measurement. It can not only measure the internal resistance of the entire battery pack, but also measure the internal resistance of each cell for the lithium battery pack
9. Provide comprehensive protection, input or output reverse polarity protection, input voltage/current protection, battery temperature protection, capacity protection, time protection, maximum power, etc.
10. Support hardware program update through USB port, and can display, draw and analyze charging and discharging data through logview software