ATEM POWER 20A MPPT Solar Charge Controller Regulator 12V/24V Lithium Compatible



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Solar power provides a sustainable and eco-friendly off-grid solution, made even better with an MPPT solar controller that enhances safety and efficiency. ATEM POWER MPPT solar regulator is a versatile & dependable addition to your solar setup, capable of awakening your sleeping lithium battery for sustainable energy. By simply switching to the "lithium battery mode" and connecting your sleeping lithium battery and solar panel, witness the captivating process unfold. Our MPPT solar charge controller boasts impressive 99% tracking efficiency and 98% conversion efficiency, making it the optimal choice for charging a variety of batteries, including 12V/24V lead acid, AGM, Gel, calcium, or LiFePO4. Enhancing its charging capability is a 3-stage system—boost, absorb, and float—ensuring efficient energy flow. Equip your off-grid cabin, RV, boat, or telecommunication system with our MPPT solar controller, ensuring optimal battery performance and efficient energy utilization.
  • Lithium Battery Activation: Revitalize your sleeping lithium battery with a simple switch to "lithium mode," connecting it to the solar panel for a magical revival.
  • Highly Efficient: Experience unparalleled efficiency as our MPPT solar regulator extracts 98% of power from your panel, surpassing PWM methods by 23%.
  • Accurate Tracking: Achieve optimal power point charging, even in cloudy conditions, with remarkable 99% tracking efficiency from our MPPT solar controller.
  • Automatic Voltage Detection: Our MPPT solar charge controller identifies your system's voltage upon connection, supporting both 12V and 24V systems with ease.
  • Intelligent Protection: It prioritizes safety with complete protection against reverse polarity, overcurrent, over-temperature, undervoltage, overvoltage, and short circuits.
  • Genuine 3-Stage Charging: Our MPPT solar controller maximizes energy flow through boost, absorption, and float stages, ensuring the most efficient performance.
  • Easy Setup & Quick Charging: Our MPPT solar regulator simplifies setup with screw terminals and enables quick charging through type A and type C outlets.
  • User-Friendly Interface: Stay informed with multiple LED indicators displaying vital system information and a convenient button for selecting your battery type.
  • Multi Chemistry: Embrace compatibility with a range of batteries, including 12V or 24V lead acid, AGM, Gel, calcium, and LiFePO4.
  • Built TOUGH: The strengthened ABS housing offers impact & shock resistance, while the aluminum alloy chassis with integrated heat sinks ensures efficient cooling.
Battery Voltage Range:12V/24V
Max. PV Open Circuit Voltage:50V
Max. Solar Input Voltage:50V
Rated Charge Current:20A
Rated Discharge Current:20A
Max. PV Input Power:500W
Discharge Circuit Voltage Drop:≤0.3V
Self Consumption:≤8ma
No Load Current:<10ma
Tracking Efficiency:99%
Conversion Efficiency:≤ 98%
USB Output:Type A+Type C; 5V/2.4A
Operation Temperature:-20℃~50℃
Storage Temperature:-30℃~70℃
Relative Humidity:≤90%
Package Size:19x14x5cm
Gross Weight:0.42kg
  • 1 x ATEM POWER 20A MPPT Controller
  • 1 x User Manual
1 Year Warranty

Delivery :

  • Please note that deliver to PO BOX address is available for products below 22kg and 1M length. Please make sure you have provided a correct physical address during checkout on products of excessive size.
  • Our shipping system cannot accept order changes or cancellation after payment is made. You can follow our return policy for more information.
  • To aid in smooth and speed of delivery, ensure your address is correct during the checkout. With correct information provided, your order is dispatched within 1 business day. Any changes to address after payment made will not be considered.
  • Please allow 2 to 12 business days for product to arrive. We highly recommend to provide an answerable contact number and email address as we do make call to follow up item delivery status.
  • Your item will be sent via Australia Post or courier depending on its size and weight.

Australia Post :

  • You will receive a notification email along with a tracking number.
  • If you are not at home during normal business hours (9am – 5pm), you will receive a card indicating the item is required to be picked up from a local depot. A signature is required for collection with a valid photo ID.
  • A re-delivery fee will be charged to you for items that are returned to our warehouse due to incorrect address or failure to collect from local depot.

Courier :

  • Delivery is not available on weekends, public holidays or after business hours.
  • Please note a re-delivery fee will be charged to you for items that are returned due to incorrect address or failure to collect from local depot.
  • We aid to provide door to door delivery for every customer. However, buyers in remote areas may be required to collect item from their nearest freight depot. Please ensure if you have any questions about the re-delivery service, we are always here to back you up.

Pickup :

Please note Pickup is available only for unpaid orders


Collection required within 3 business days of stock being available.



We provide free delivery for most metropolitan areas in Australia, but there may be additional delivery costs associated to some areas. 

Any delivery charges for your order will be shown once your postcode is entered during the checkout process.

To view the list of non-free shipping delivery postcodes , please check the table below/












4421,4450-4499, 4680, 4700-4805, 9920-9959


4806-4899, 4900-4999, 9960-9999