Lithium-ion/lithium-polymer USB battery charger
Source: InternetPublisher:otQoq Keywords: Battery charger Updated: 2026/03/27
Lithium-ion/lithium-polymer USB battery charger
This is a USB charger based on the MAX1811, capable of handling 3.7V lithium-ion and lithium-polymer batteries. It requires few external components and offers selectable 4.1V and 4.2V battery regulation for different types of lithium-polymer batteries. You can select either 100mA or 500mA charging current, and an LED indicates the charging status.
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