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Lithium ion polymer batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 1200mAh for a total of about 4.5 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 500mA or less. We suggest our Micro Lipo charger, which has a 100mA default rate. Like most lipos, the batteries we sell do not have thermistors built in. This is why we suggest charging at 1/2C or even less - 500mA max is a good rate, and available from any USB port if using a USB-powered charger Additional safety notes: Do not use a NiMH/NiCad/lead-acid charger!

• Weight: 25g
• Size: 1.35" x 2.55" x 0.23" (35mm x 65mm x 5.5mm)
• Power Lead Length: 127.5mm
• Output: 1200mAh at 3.7V nominal