3 Best
Grde Backup Battery Chargers
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Product Highlights- 5v output: this ups module for raspi supports simultaneous charging and discharging, which can provide stable 5v voltage output, you can monitor the battery voltage, current, power and other parameters through the i2c interface.
- Multiple protection: this ups power supply module for raspi has multi battery protection circuits, over charge and discharge protection, over current protection, short circuit protection.
- Designed for raspi: this power supply ups module is specially designed for raspi, onboard switching lithium battery charging chip with pm, booster chip and voltage and current monitoring chip.
- Srping thimble interface: this usb board for raspi adopts spring thimble interface design, suitable for raspi series motherboard. onboard lithium battery charging chip.
- Charging indicator: this 5v ups module for raspi is designed with charging indicator, which allows you to check the working status of battery.
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Product Highlights
- ใ7 natural sounds & 8 lightsใthe alarm clock has 1-5 levels of sound that can be adjusted. (birdsong - ocean - raindrops - stream - tree sound - wind - tick tock) 7 natural sounds. (colorful gradient light - purple light - warm yellow light - cool white light - yellow/red scrolling light - green/blue scrolling light - blue/purple scrolling light - colorful gradient scro...
- ใwireless charging & sleep aidใwhen using the wireless charging function, please plug in the power supply. 15w wireless charging is available for qi-compliant cellular devices. the sleep aid mode is divided into 30/60/90 minutes and can be set to any one of the nature sounds to help poor sleepers fall asleep quickly.
- ใgift ideasใit's perfect as a bedside lamp, baby nursery lamp, romantic atmosphere lamp and reading lamp. it meets your lighting needs in any scenario. an ideal gift for teens, kids, friends, and family dealing with waking up and falling asleep challenges.
- ใsunrise simulationใsetting an alarm time greater than 30 minutes turns on the sunrise wake-up feature of the alarm clock, and alarm settings less than or equal to 30 minutes will only allow the light to go on at the same time as the sound. the wake-up alarm will light up slowly over 0-30 minutes, and after 30 minutes the alarm will make a natural sound. it is rechargea...
- ใdual alarm & snooze modeใdual alarms can be set with different sounds and lights. turn on snooze mode after 1 minute of ringing and the bedroom alarm will go off again in 5 minutes.you can also touch the light button to enter snooze mode for a total of 4 snoozes, and the alarm will then go off 4 times.
- ใusb rechargeableใbuilt-in battery & memory function: it can keep the original settings after shutdown or reboot so that you can use it anytime and anywhere. equipped with a high-capacity 1800 ma battery for extended use. the package comes with an english instruction manual, easy to understand can be easily operated. if you have any questions about our alarm clock, plea...
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