Adafruit Powerboost 1000C
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Adafruit Powerboost 1000C
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Pros:
- Well documented with Wermy's guide
- Very simple & easy to use, multiple power outputs
- Has integrated Low Battery Warning LED & pinout for custom circuits to catch this.
- Integrated Power, Charging, & Charged LEDs.
- Integrated on/off function by shorting EN pin to GND.
Cons:
- Most expensive model by far
- Availability is often questionable, especially after a news article or custom board release increases demand.
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Alternatives
Adafruit Powerboost 500C
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Adafruit Powerboost 500C
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Pros:
- Slightly Cheaper than the 1000C
- Usually easier to get than the 1000c
- Check Cons below, is otherwise identical to the 1000C.
Cons:
- Can only charge at 500mA (half the 1000C's rate)
- Does not have the same "Load Sharing Circuit" claimed by the 1000C
- Is not suitable for charge & play
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Banggood Model
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3.7V Li-ion Battery Mini USB To USB A Power Supply Module
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Module is able to power a device and charge the battery at the same time.
Pros:
- Fraction of the cost of the Adafruit models.
- Almost always available.
Cons:
- Excessive shipping times (20-30 days to USA).
- Not as well documented as the Adafruit Models
- No Low Battery function on-board, outside monitoring is required.
Has LED lights to indicate the state:
- Red led: charging
- Green led: finished charging
- Blue led: board is powering a device
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AliExpress Powerboost
5V 2.1A Charge Discharge boost Power Module 3.7V 4.2V li-ion 18650 LED battery
Untested.
Seeed Lipo Rider
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Lipo Rider
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Pros:
- Cheaper than Powerboost?
- JST Input
Cons:
- No Easily Accessible solder points
- Downstream/USB-A socket looks like it will be a PITA to remove.
- Power switch is literally a switch. Will likely need to be removed/bypassed in order to use.
Other:
- Has a JST input for "solar" input, might be easily re-purposed for power-in.
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