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Lithium Battery Expansion Board for Development Kits and Boards
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The UPS Lithium Battery Expansion Board with 3800mAh Lithium Battery is a versatile device that offers two distinct working modes: outdoor portable power supply and indoor UPS power supply.
As an outdoor portable power supply, the motherboard is exclusively powered by the 3.7V 3800mAh lithium battery, providing a maximum external power supply capacity of 5.1V 2.5A. This makes it an ideal companion for outdoor activities, where you can rely on the battery to power your devices.
In the indoor UPS power supply mode, users can simply insert a Micro-USB into a standard 5V 2A power adapter, and the external output USB-A interface can then deliver a maximum of 5.1V 3A. This feature allows the device to function as an uninterruptible power supply (UPS), ensuring a continuous power supply in the event of a power outage.
The device features 4+2 LED indicators, providing clear visual cues for charging, discharging, and battery power status. This allows users to monitor the device's performance and ensure optimal usage.
To ensure high security, the UPS Lithium Battery Expansion Board has several protective measures in place. The external output port has a self-recovery feature, preventing the device from being damaged due to an external short circuit. Additionally, the PMU (Power Management Unit) monitors the lithium battery voltage, and when it drops below 2.8V, the PMU automatically cuts off the 5V output to prevent over-discharge. When the total current of the 2 USB output ports reaches 3A, the self-recovery mechanism will activate, and when the external port is unloaded, the 5V output will automatically turn off.
The UPS Lithium Battery Expansion Board weighs approximately 122g/4.3oz and comes with a 3.7V 3800mAh lithium battery, as well as a set of installation accessories. This compact and versatile device can serve as both an outdoor portable power supply and an indoor UPS, making it a valuable asset for a wide range of applications.
product information:
| Attribute | Value |
|---|---|
| package_dimensions | 5.12 x 2.36 x 1.18 inches |
| item_weight | 4.3 ounces |
| item_model_number | GeerOfsVvbfcQt |
| date_first_available | March 25, 2024 |
| manufacturer | Keenso |
| country_of_origin | China |
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