20a pwm solar voltage regulator controller information
20A 12v 24v auto switch LCD display PWM off-grid solar voltage regulator controller
CL 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.
Technical Data for CL20a charge controller
PV input voltage
Rated charge current
Battery over-voltage protection voltage
16.00V×1/×2/×3/×4 (0.5V differents)
Rated discharge current
Charge loop voltage drop
Discharge loop voltage drop
PWM 4 stages （bulk, absorption,float,equalized）
Float Charge Voltage
Absorption charge voltage
Duration of Absorption Charge
Voltage of equalized charging *
Duration of equalized charging
Low voltage disconnection
Low voltage reconnection
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
PCB terminal, ≤10mm2
-20 ~ +55 °C
-30 ~ +65 °C
10% ~ 90%, no condensation
Remote communication，TTL, standard ModBus protocol
Packaging for pwm solar charge controller
About 20amps simple solar charge controller
• Automatic identification system voltage, 12/24V auto recoginition.
• Humanized LCD displaying and double button operation of man-machine interface.
• Completed technical data for setup and modify.
• High efficiency intelligent PWM 4 stage charging.
• The load control mode can be selected, the timer function can be reset for street light at night.
• Discharge counter of Ampere hour.
• Reliable over voltage protection, short circuit protection, over load protection, over charge protection, over-discharge
Application for solar charge controller
Q1: What is your terms of payment?
A: 1.Sample: 100% of the sample cost before sampling.
2. Mass Production: 30% deposit in advance, 70% balance when finished.
3. Payment terms: usually T/T, also support West Union, PayPal, etc
Q2: What’s kinds of battery will you provide?
A: All the specification can be customized, such as the parameter of 2v, 4v, 6v, 10v, 12v batteries.
Q3: Can you print my logo on the battery cover?
A: Yes, OEM is available, we can print your logo on the battery case, and you can offer your logo.
Q4: What’s the delivery time?
A: 1.Sample ready in 7-15 days, depends on the requests.
2. Mass production ready in 15-30 days, depends on the qty & factory’s producing.
Q5: How to maintain the battery?
A: The battery should be stored in clean, dry, ventilated, dark environment when not using, keep it after full charge, and recharge it every 3 months or 6 months.
Q6: If a battery fails, what will be the indications?
A: 1.Lower performance
Q7:If there are defective batteries in the warranty, what’s your policy to replace them?
A: Please take the photos of the broken batteries for us and tell us what happen, if everything is confirmed, thenew ones will be sent to you as compensation in the next order.