Adafruit 2124 Pro Trinket Li-Ion / Li-Poly Backpack Add-On 700161461695
Adafruit
--\nOur eBay Store\n\nAdafruit 2124 Pro Trinket Li-Ion / Li-Poly Backpack Add-On\n\nProduct Details\n\nThe Adafruit Pro Trinket Li-Ion / Li-Poly Backpack Add-On has been cleverly designed to sit on top of the Adafruit Pro Trinket and connect to its power inputs with header pins. Not only does it give you somewhere convenient to connect a battery, it will also charge the battery when the Trinket is powered from its USB port. Once USB power is removed, the fully charged battery will take over. The backpack has a RED charging LED and a green fully charged LED. It uses a 3-stage process, starting with a preconditioning charge, then a constant current fast charge and a final constant voltage trickle charge to keep the battery topped up. By default it uses a 100mA charging current but this can be increased to 500mA by closing a solder jumper for 500mAh or larger batteries. Please only use 3.7 or 4.2V Li-ion or Li-poly batteries, not the older 3.6 or 4.1V types. If you need an On/Off button;
Compare prices (3 shops)
| shop | Price | Action |
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4,09 GBP | Go to shop |
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4,09 GBP | Go to shop |
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4,09 GBP | Go to shop |
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