The Adafruit 1317 Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful.
The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 150mAh for a total of about 0.6 Wh. The batteries come pre-attached with a genuine 2-pin JST-PH connector as shown and include the necessary protection circuitry. Because they have a genuine JST connector, not a knock-off, the cable wont snag or get stuck in a matching JST jack, they click in and out smoothly.
The included protection circuitry keeps the battery voltage from going too high (over-charging) or low (over-use) which means that the battery will cut-out when completely dead at 3.0V. It will also protect against output shorts. However, even with this protection it is very important that you only use a LiIon/LiPoly constant-voltage/constant-current charger to recharge them and at a rate of 150mA or less. We suggest the 1304-Ada Micro Lipo - USB LiIon/LiPoly charger. Like most lipos, the batteries do not have thermistors built in. This is why we suggest charging at 1 C or even less - 100mA is a good rate, and available from any USB port if using a USB-powered charger
Specifications:
- Size: 19.75mm x 26.02mm x 3.8mm / 0.77" x 1.02" x 0.14"
- Power Lead Length: 127.5mm / 5"
- Output: 150mAh at 3.7V nominal
- Battery datasheet
Additional safety notes: Do not use a NiMH/NiCad/lead-acid charger! Also, do not abuse these batteries, do not short, bend, crush or puncture. As with all Lithium ion polymer batteries and with any power source - they should be used by experts who are comfortable working with power supplies.
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