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20 AMP Charge Controller for Solar Panel
lDual period design, can change for solar system sectionally or set configuration for power supply of solar system home system.
l12V/24V system voltage automatic recognition
lLCD screen display for electrical data and button operation
lImproved three-stage charging algorithm, effectively prevent the battery which is imbalance and sulfuretted
lFive working modes for load, applied for street light and monitoring equipment
lIndustrial level design, can be used in a variety of harsh environment
lParam eter recovery function even after power cut
lWith over charge, over discharge, overload protection, short-circuit protection and reverse charging protection.
lWith 5V 1.2A USB charge port charging for mobile
lTVS lightning protection design
| Model | TEH-CD10A | TEH-CD20A |
| System Volatage | 12V/24V Auto | |
| System Current | 10A | 20A |
| No-load loss | <6mA/12V; <7.5mA/24V | |
| Chareg loop drop | <0.20V | |
| Discharge loop drop | <0.15V | |
| Equalization charging voltage | 14.4-14.6V; *2/24V | |
| Improve charging voltage | 14.6; *2/24V | |
| Floating charge voltage | 13.6V; *2/24V ( To return until the charing voltage compensation ) | |
| Overcharging voltage | 14.8V ( When the battery is full, enter the floating charing state ) *2/24V | |
| Charging return voltage | 13.2V; *2/24V | |
| Over discharge return voltage | 12.8; *2/24V | |
| Undervoltage voltage | 12.0V; *2/24V | |
| Over discharge voltage | 11.1V; *2/24V | |
| Temperature compensation | -4.0mV/℃/2V | |
| Control mode | Charge: Pulse width modulation | |
| Sunlight control judgment time | 10min | |
| Working temperature | -35℃ to 65℃ | |
| Weight | 160g | 196g |
| Sze ( L*W*H ) | 120mm*75mm*30mm | 120mm*75mm*36.5mm |
| Protection circuit | Over charge, over discharge ( overload short circuit protection ) | |
| All protection do not damage any parts | ||
Hunan Coowone Trading Co., Ltd. was founded in 2014, businessed as a professional sales of back-up power and storage battery. Product quality, reasonable prices, and perfect after-sale service are always the reasons our customers praised us for. With the help of owned factory’s production and excellent sales teams, Coowone products have been sold over 20 countries and regions in the world.
Our products are widely used in different fields, such as banking, securities, telecommunications, transportation, taxation, health care, education, military, government agencies, scientific research machinery and mining production enterprise.
Product quality and reasonable price are always the base of our development. We have industry certificates such as ISO9001:2000, and a completed quality control system. Our team continuously improve the service, delivery, and other works to build a win-win cooperation with our customers.
If you are interested in any of our products, please feel free to contact us for further information. We look forward to becoming your business partner in the near future.
1.Warranty: 2 years.
2. Factory price, pricing could be lower while the quantity rising.
3. OEM cooperation with your brand, Could have your logo, or change the capacity as your design.
4. Strict QA, QC process, guarantee the quality and delivery time.
5. One of the largest storage battery, uninterruptable power supply and inverter manufactures in China.
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
2.Low voltage
3.Cannot charge/recharge
4.Swelled container
5.Acid corrosion
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, the new ones will be sent to you as compensation in the next order.
| | | |
| 1000-6000w inverter | 1000-12000w inverter | Three Phase UPS | More batteries |
Hunan Coowone Trading Co., Ltd.
Contact Name: Sharon Tang
Whatspp/Wechat: 0086 15700798770
Skype/Email: sales11(at)
Ali TM: cn1517813620rddc
Website: https://coowone.en.china.cn
Add: R3116, IDO Building, No.49, Kaiyuan Road, Xingsha Town, Changsha City, Hunan Province.
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