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This is a high efficiency 40A solar charge controller with 12v and 24v solar systems. MPPT controllers are the best for solar systems.

1)Self-made algorithm, fast and accurate lock MPPT point, within 10 seconds, accuracy is greater than 99%, MPPT peak conversion efficiency 98%,

2)Four-stage charging : high current charging at MPPT point, float charging, absorption charging, equalized charging,

3)Can be used for lithium batterylifepo4 battery, ternary lithium battery),when the lithium battery is low voltage protected, the battery can be activated,

4)External temperature sensor, accurate temperature compersation,

5)PV input maximum voltage: 100V,

6)The system voltage is 12/24V automatic identification,