3.7V 2A Single Cell Lithium Battery Solar Charging Controller with light control

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3.7V 2A Single Cell Lithium Battery Solar Charging Controller with light control
Product Description
100% Brand New and High Quality
Product updates, most components replaced by the chip, enhanced functionality.
Features:
6V 2A solar charge control module
Integrated trickle charge PWM suspension float
To prevent lithium battery overcharge
Over-discharge to restore a small current charge
Industry charging the highest efficiency, a conservative estimate of 98%.
Reduce the system from power consumption, improve the charging efficiency
Eference Specifications:
Enter the photovoltaic panels parameters: maximum 6V 2A (within 10W)
Output limit charging voltage: 4.2V
Battery low voltage trickle charging: 2.5V
Over-discharge voltage: 3V
Precision tolerance: 0.05V maximum
Reference size: 40 * 23MM
Products free of charge a small capacitor, can play the role of filtering. It is recommended to connect to BAT + and BAT- (capacitor long foot is positive)
Output terminal specifications:
Output: 2.8-4.2V such as low-power lamp beads connected to a series resistor limiting; as connected power lamp beads, to add the constant current driver (normal driver of 12V, unavailable).
Please enter in chronological order:
1) LED lights connected to "+ OUT", corresponding to positive and negative.
2) lithium battery connected to "+ BT 'and" -BT ", corresponding to positive and negative
3) photovoltaic panels connected to "+ SOLAR", corresponding to positive and negative
Determine any the connection is correct:
1) connected to a lithium battery, LED D1 will light if the battery voltage is too low (less than 3.3V), D1 will flash and exterminate. Colleagues, etc. to the output of the lighting accordingly.
2) photovoltaic plants connected (in normal lighting conditions during the day), the indicator will light D2, and by accompanying by light flashes, such as the surface of the photovoltaic panels during the observation, D2 will be off .
Package Included:
1x
3.7V Lithium Battery Charge / Discharge Board Solar Controller
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Delivery details
Terms of sales
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Payment
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We only accept payment via
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Delivery details
● Items will be shipped within 1~2 business day after payment received.
● Items are shipped from China by Airmail,
delivery time depends on destination and other factors, normally delivery to USA need
7~18 days
,
reach most of the countries within
10~35 business days
. But to Brazil or Africa, it need
35~65days
.
Terms of sales
● All the items will be tested before shipping. Buy them with the confidence!
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We maintain hightest buyer ratings
and 100% customer satisfaction,
Positive Feedback will be much appreciated from you.
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Returns
● For defect or wrong items , please you contact us, We will fully refund or send you a new replacement.
● If you not satisfied with our items, pease contact within 3 days, we will fully refund after get your returned goods.
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● If have any question, Please contact us by ebay message before leaving neutral, negative feedback or open any dispute, we will reply within 24 hours, ensure that help you solve the problem, make you satisfied.
● Business time From
9:30 AM to 21:30 PM(GMT+08)
.
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