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Dipper Star 2-Light Charger

Function Description of the Dipper Star 2 lamps Lead-Acid Charger 1. Charging Circuit Structure, Parameters and Efficiency The Dipper Star 2 lamps charger is a single-tube flyback topology circuit. It is suitable for electric bicycles, electric tricycles, low-speed four-wheel vehicles, etc. The input voltage is 220V at 50Hz. The normal charging efficiency is approximately 85%. It is applicable to various charging scenarios. II. Protection Functions: Short-circuit Protection: Use a wire with an area greater than 1mm² (with a short-circuit resistance less than 50mΩ) and connect it in series with the output end of the charger, or use an electronic load for short-circuiting. Remove the connection after 15 seconds, and the charger should be able to work normally. Time Limit Protection: The charger should charge continuously within the efficient charging zone for no more than 8 hours; within the high-voltage charging zone for no more than 3 hours; the total charging time in the efficient zone and the high-voltage zone should not exceed 10.5 hours. Reverse Connection Protection: Connect a current meter in series at the output end of the charger, and connect the fully charged battery pack (whose capacity is indicated in the user manual) with the positive and negative terminals of the input end reversed. Keep it for 10 minutes and then disconnect. Observe whether the reading of the current meter is always less than 5mA. After reconnecting correctly, check if the charger is working normally. Delay Cut-off: When the charger enters the high-voltage charging zone, use a timer to record the time when it transitions to the trickle charging state or is cut off; when the charger enters the equalizing charging mode, use a timer to record the time when the output current is cut off, or when the reading of the current meter drops to less than 5mA. AC Power Supply Line CCC: The input power supply line of the charger meets the CCC certification requirements, mainly involving core indicators such as electrical safety, mechanical strength, and environmental adaptability.

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No	Type	Input		Output		Size
No	Type	Input Voltage	Input Power	Output Voltage	Output Current	Size
1	12V2A	220V	34W	14.8V	2A	16x7.5x5.6cm
2	12V3A	220V	51W	14.8V	3A	16x7.5x5.6cm
3	24V2A	220V	68W	29.6V	2A	16x7.5x5.6cm
4	24V3A	220V	102W	29.6V	3A	16x7.5x5.6cm
5	36V2A	220V	102W	44.4V	2A	16x7.5x5.6cm
6	36V3A	220V	153W	44.4V	3A	16x7.5x5.6cm
7	48V2A	220V	136W	59.2V	2A	16x7.5x5.6cm
8	48V3A	220V	204W	59.2V	3A	16x7.5x5.6cm
9	48V4A	220V	272W	59.2V	4A	17.5x8.5x5.6cm
10	48V5A	220V	340W	59.2V	5A	19x10x6.5cm
11	48V6A	220V	408W	59.2V	6A	19x10x6.5cm
12	48V7A	220V	477W	59.2V	7A	21x11x8.5cm
13	48V8A	220V	545W	59.2V	8A	21x11x8.5cm
14	60V3A	220V	255W	74V	3A	17.5x8.5x5.6cm
15	60V4A	220V	340W	74V	4A	19x10x6.5cm
16	60V5A	220V	425W	74V	5A	19x10x6.5cm
17	60V6A	220V	510W	74V	6A	21x11x8.5cm
18	60V7A	220V	596W	74V	7A	21x11x8.5cm
19	60V8A	220V	680W	74V	8A	21x11x8.5cm
20	72V3A	220V	306W	88.8V	3A	17.5x8.5x5.6cm
21	72V4A	220V	408W	88.8V	4A	19x10x6.5cm
22	72V5A	220V	510W	88.8V	5A	19x10x6.5cm
23	72V6A	220V	612W	88.8V	6A	21x11x8.5cm
24	72V7A	220V	715W	88.8V	7A	21x11x8.5cm
25	72V8A	220V	817W	88.8V	8A	21x11x8.5cm
26	84V3A	220V	357V	103.6V	3A	19x10x6.5cm
27	84V5A	220V	596V	103.6V	5A	21x11x8.5cm
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