BS Charger BS20 User Manual (English)

Questions and Answers:

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robert91Jul 31, 2025
Why is my BS Charger Battery Charger showing no charging current?
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  Michael HoganJul 31, 2025
  If your BS Charger Battery Charger isn't providing any charging current, several factors could be at play. The battery might be severely sulphated, in which case you should check its condition and age. Alternatively, the battery could have a damaged cell, suggesting it may need replacement. Another possibility is that the charger has entered overheat protection mode; try moving both the battery and charger to a cooler environment.
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Michael ClarkAug 10, 2025
What to do if my BS Charger Battery Charger has a long charging time and the full light doesn't come on?
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  Tom YoungAug 10, 2025
  If your BS Charger Battery Charger is taking a long time to charge and the 'Full' light isn't turning on, it could be due to a couple of reasons. Firstly, the battery capacity might be too large for the charger's specifications, so verify that they match. Secondly, the battery itself might be defective, meaning it can't be charged and needs to be replaced.
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sherrilopezAug 19, 2025
What to do if my BS Charger Battery Charger has no DC output?
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  Kristine WilsonAug 20, 2025
  If your BS Charger Battery Charger has no DC output, there could be a couple of reasons. One possibility is that the output is short-circuited. In this case, check the DC connection between the charger and the battery to ensure they are not short-circuiting. Another reason could be a reverse polarity connection to the battery. Verify that the crocodile clips or ring terminals are connected with the correct polarity.

BS Charger BS20 Specifications

General

Input	100-240V AC, 50/60Hz
Output Voltage	5V
Charging Port	USB-A
Compatibility	Smartphones, Tablets, and other USB-powered devices
Protection Features	Over-current protection, Over-voltage protection, Short-circuit protection