auto switch LCD display PWM off-grid 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.
1.Connection diagram
2.product details
Package Information:
Product size: 188 mm * 95 mm * 47.5 mm
1pc/color box,30pcs/ctn
Ctn size:545mm*425mm*175mm
CBM/ctn:0.046
G.W:14.5kg
3.Features:
(1)Vivid LCD graphic symbols
(2)Simple button operation
(3)Automatic identification of system voltage level
(4)Intelligent PWM charging mode
(5)Adjustablecharge-discharge protection
(6)Automatic temperature compensation
(7)Settable operation mode of load
(8)Battery reverse-discharge protection
(9)Battery low voltage disconnection(LVD)
(10)Battery reverse connection protection
(11)Overcurrent protection
(12)USB output
4.Technical data
| Model | 20DU | 2048D |
| Input | ||
| PV voltage | ≤50V | ≤100V |
| Rated Current | 20A | 20A |
| Output | ||
| System Voltage | 12V/24V Auto | 48V |
| HVD | 16.00V×1/×2/×3/×4 | |
| Rated discharging current | 20A | 20A |
| No-load loss | ≤13mA | ≤25mA |
| Charge loop voltage drop | ≤0.21V | ≤0.25V |
| Discharge loop voltage drop | ≤ 0.12V | ≤0.12V |
| Charging mode | PWM 4-stage(bulk, absorption,float, equalized) | |
| Voltage of float charging | 13.8(13V~15V)×1/×2/×3/×4 | |
| Voltage of absorption charging | 14.4V(13V~15V) ×1/×2/×3/×4 | |
| Duration of absorption charging | 2hs | |
| Voltage of equalized charging * | 14.6V(13V~15.5V) ×1/×2/×3/×4 | |
| Duration of equalized charging | 2hs | |
| LVD | 10.7V(10V~14V) ×1/×2/×3/×4 | |
| LVR | 12.6V(10V~14V) ×1/×2/×3/×4 | |
| Load working mode | Regular control mode | |
| Light control with switch-off point at night and switch-on point before dawn | ||
| Light control mode | ||
| Light control voltage | 5V(1V~10V) ×1/×2/×3/×4 | |
| Battery type | GEL, SLD, FLD and USr(default) | |
| USB | 5V 1A | None |
| Other | ||
| Man-machine interface | LCD, 2 buttons | |
| Wiring | PCB terminal, ≤6mm2 | PCB terminal, ≤6mm2 |
| Working temperature | -20 ~ +55 °C | |
| Storage temperature | -30 ~ +80 °C | |
| Working humidity | 10% ~ 90%, no condensation | |
| Dimension | 188 x 95 x 46.5mm | |
| Net Weight | 355g | 355g |
| IP Code | IP30 | |
| Optional function | Remote communication,TTL, standard ModBus protocol | |
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.
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