Charge voltage:
Lithium battery: 3.6V-16.8V (1-4 String )
When input voltage 22-28V(≤20w,≤2A), access lithium battery: 4S
When input voltage 18-22V(≤18w,≤2A), access lithium battery: 3S
When input voltage 10-14V(≤15w,≤2A), access lithium battery: 2S
When input voltage 5-7V(≤12w,≤2A), access lithium battery: 1S

LiFePO4 battery: 3.2V-12.8V (1-4 String )
When input voltage 18-22V(≤20w,≤2A), 4S
When input voltage 12-14V(≤18w,≤2A), 3S
When input voltage 9-12V(≤15w,≤2A), 2S
When input voltage 4.5-7V(≤12w,≤2A), 1S

LED lights requirements:
4S can not exceed 12w
3S can not exceed 9w
2S can not exceed 5w
1S can not exceed 3w

Note：
The board stable working output current: ≤ 600mA
Anti-reverse charging prevents over-charge and over-discharge protection. Batteries need to be protected.
The control board needs to pay attention to waterproof and insulation
The LED lamp can't use boost drive
The controller battery voltage is the output voltage, unlimited current limit voltage
The LED lamp beads can not be used directly and need to be driven by a step-down drive or a series current limiting resistor
The LED lamp beads can not be used step up driver
If you need to close at night or transport storage,the switch interface SW has been reserved, and the opening can be installed by cutting

We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution.

Package Includes: 3pcs