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Help CenterHigh Efficiency off Grid Mppt Solar Charge Controller
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High efficiency off grid mppt solar charge controller
TK series is a new series of intelligent multi-purpose solar charge controller.
It is equipped with explicit LED for you choice.While meeting functional needs,it also offers user-friendly
installation and operation.All in all,it is a popular high-efficient product.
Features:
1.Vivid LED indicators show system battery capacity,charging and discharging state of battery
2.Protection functions such as overcharging,over discharging,overload and reverse connection.
3.PWM charging increases charging efficiency by 3% to 6%,compared with non-PWM charging.
4.The parameters of charging and discharging are preset,so no need to adjust the parameters.
(special parameters need to be advised in advance)
5.USB output function
Function
1.Four-stage PWM charging mode.
2.Preset charging parameters for three battery types.
3.Detecting mode for battery voltage level is adjustable.
4.Charging and discharging parameters are adjustable.
5.Temperature compensation is applied.
6.Various controlling mode for load.
7.Optional communication function.
8.Protection against reverse connected solar panel and input over-current.
9.Protection against under-voltage, over-voltage, reverses connection and reverse discharge of battery.
1. Protection against over-current and short circuit of load.
2.Protection against internal over-heat.
Technical date
System voltage |
12V/24V (Auto) |
Low voltage protection |
10.7V/21.4V |
||
Rated current |
20A |
30A |
Low voltage reconnecting |
12.6V/25.2V |
|
No load loss |
≤12.5mA (USB disconnect) |
Overloading |
≥1.2*rated current, 60s ≥1.5*rated current, 10s ≥1.8*rated current, 0.2s |
||
Charging mode |
PWM |
USB output |
5V, 1A |
||
Float charging voltage |
13.8V/27.6V |
Installing cables size |
≤6mm2 |
≤16mm2 |
|
Absorption charging voltage |
14.4V/28.8V(lasting time: 2 hours) |
Working temperature |
-20℃ ~ 50℃ |
||
Charging (Discharging) circuit voltage drop |
<0.22V (<0.12V) |
Dimensions (L x W x H) |
188mm x 95mm x 46.5mm |
||
Net weight |
340g |
345g |
|||
1 Q:Do you have your own factory? Can we visit?
1 A:Absolutely.You are always welcomed to visit our factory.
2 Q:How do you control the quality of the products?
2 A:Our factory has obtained ISO9001 certificate. Every process of the production is strictly controlled. And all the products will be inspected by QC before shipment.
3 Q:What certificate do you have?
3 A:We have CE,ROHS.
4 Q:What kind of payment do you accept?
4 A:We accept T/T, Paypal, Escrow, Western Union for samples’ order.
5 Q:How long the delivery time?
5 A:2-7 days for ex-stock orders.15-30 days for production.
6 Q:What kind of controller you mainly manufacturer?
6 A:We mainly produce PWM solar charge controller, MPPT solar charge controller.
7 Q:Can we print our company logo on product and package?
7 A:Yes,but quantity of order is required. And we also need you to offer the Trademark authorization to us.
8 Q:How long is the warranty period?
8 A:1 year warranty. If you order our brand products, there will be 2 years warranty.
Wuhan Hanfei Science &Technology Co., Ltd. was established in Jul.2015 with more than 1.5 million RMB registered capital. We are a new and high-tech enterprise which was specialized in power products researching, manufacturing and marketing.
We provide products including solar charge controllers, power inverter, etc., as well as design and supply relevant solar application systems. The company has passed the ISO9001: 2008, and products have passed CE ,ROSH certificate, as well as other domestic and international authoritative certification and a number of patents. The products have been extensively applied and highly appraised in a number of major projects at home and abroad. And our customers are l in more than 120 foreign countries and regions. Also we have applied own brand “Hanfsolar” in 2015.
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