12/24V 15A Charge Controller Solar Regulator with LCD display (QWP-1415USBB)
Model: QWP- 1415USBB

1. Product Introduction
(1)     Vivid LCD screen signal and precise operation.
(2)     Intelligent PWM charging mode with auto temperature compensation.

This controller is a kind of intelligent, multi-purpose solar charge controller. It uses the fixed LCD display, with a very friendly interface; Various control parameters can be flexibly set, fully meet your various application requirements.

2. Safety warning
During the installation and usage, please make sure to
obey by the following safety regulations and notes to avoid the
damage to controller.
? There is no maintainable part in the controller. User
must not disassemble or repair the controller without
permission.
? Before installing and adjusting the connection of controller,
please make sure to disconnect the connection of
photovoltaic panel and the fuse or breaker around battery
terminals.
? After installation, check all the wire connections are reliable
to avoid heat accumulation for virtual earth. 

3. Product Features:
Intelligent solar controller is equipped
with industrial-grade STM 8 microprocessor to control the
charge and dis-charge process and has perfect and reliable
battery charge and
discharge period management. The charge circuit is characterized
by high efficiency and low consumption by controlling
the MOSFET of ultralow internal resistance with PWM. This
controller has multiple load control modes and is adaptable to
different industries. The product can be applied to the following
occasions:
? Outdoor environment monitoring system
? Automatic control system for agriculture and garden
? Solar power system
? Communication station, WIFI hotspot
? street lighting system
? Other systems which are supplied by solar energy and
have requirement for power EMI indicator

4. Advantages
1. Low Cost: Solar controller has specifically designed to meet the needs of the rural electrification market. The low cost resulted from using the latest electronic technology and high volume manufacturing. 

2. High Reliability: We are manufacturer of solar charge controllers, power inverters, and solar power systems. All our products are designed for high quality and high reliability. The controller has a low failure rate and will last a long time, and got very good feedback from customers until now. 

3. Electronic protections: The solar controllers are built-in electronic fused that do not require replacements. 
Tropicalization: The solar controlers electronics are protected with moisture-tight coating, minimizing damage from humidity and from nesting insects. 

4. Easy to use: Solar charge controller is fully automatic and requires no adjustments or user selections.

5. Delivery:
Lead Time:
Sample orders will be delivered within 7 working days.
If order quantity below 100PCS, delivery time is 7-15 working days.
Container orders will be delivered within 15-30 working days.
 
Shipment:
By courier such as DHL, EMS, FedEx, TNT, UPS ect.
By our shipping agent(by sea, by air or carrier)
By your shipping agent.
By domestic courier to any city of China.

Following shipping time for reference only, exact shipping time is subject to the date of buyer sign for the parcel. 
DHL: 3·7 working days, tracking no. offered;
EMS: 3·10 working days, tracking no. offered;
e-EMS: 3·10 working days, tracking no. offered;
e-Packet: 3·15 working days, tracking no. offered;
China Post Registered Air Mail: 20·60 working days, tracking no. offered;
If buyer care shipping more, please take DHL into priority consideration;
If buyer form Brazil should provid the CNPJ No. or CPF No. when order;
If the item broken when buyer receive the parcel, don't sign for it and asked for the delivery company to make a "damage certificate" and take photos to send us, otherwise we will not provide any warranty and refund. 
If buyer didn't found the shpping cost of your address in our shop, please contact us to get the lastest shipping price. 
 
6. Payment Terms:
T/T, Western Union, Money Gram
Production will be arranged after receipt of payment.

7. Warranty: 1 year
If you can cooperate with us, we will be honored and you will benefit from:
L - The good construction warranty-1 years
L - Your client satisfied on the right schedule and quality
L - Your can get good reputation from your market and obtain more orders
L - Our professional service before and after sale
L - The reasonable price
L - Any questions from you are welcome and will be replied in 24 hours
 
8. Some about us
Queenswing is a professional manufacture specialized in Power inverter and solar products, We have professional development team. We pursues to establish the culture of "quality first, reputation best ".
 
Product category
Car Power inverter
Car Inverter with USB Port
Pure sine wave invertrer
UPS Pure sine wave inverter with charger
Modify sine wave inverter
UPS power inverter with charger
Solar energy power source
Solar charge controller
 

Our products usually are exported big quantity in to Europe, USA, African, Russia, Australiaetc. And our power inverter serials enjoy better reputation. With reliable quality and stable performance.

9. Parameter

Type    QW-1024    QW-1524
     QW-2024    QW-3024
Rated charge current    10A    15A    20A    30A
Rated load current    10A    15A    20A    30A
Work voltage    12V/24V 
Over load, short circuit protection    1.25 rated load current 60sec, 1.5 rated loads current 5sec, over load protection action.≥3 Rated load current short circuit protection action.
Self-consumption current    ≤ 6 mA
Charge circuit voltage drop    ≤0.26V
Load circuit voltage drop    ≤0.15V
Over voltage protection    17V; ×2/24V
Work temperature    Industry stage: -35°C to +55°C; Commercial stage: -5°C to +50°C
Boost charge voltage    14.6V;×2/24V; (keep 10min) (only used when overdischarging)
Direct charge voltage    14.4V; ×2/24V; (keep 10min)
Float charge voltage    13.6V; ×2/24V;
charge return voltage    13.2v;×2/24V;
Temperature compensation    -5mv/°C/2v(Boost charge, Direct charge, Float charge, charge return voltage);
Lower voltage indicate    12.0V; ×2/24V;
Over discharge voltage    11.1V(no load)- modified voltage by discharge rate of battery; ×2/24V;

Control mode    PWM charge mode;  modified discharge voltage by the discharge rate