Description
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This is a 250mAh, 3.7V rechargeable Polymer Lithium Ion battery. Each cells outputs a nominal 3.7V.
Before usage, check the polarity of the connector(polarized type) matches the polarity of your equipment! There is no standard defining the polarity of LiPo batteries with a JST-PH connector. We used the polarity that seems to be most common, but your equipment can be different! If it does not match, it is very easy to change the connector polarity. Just use a toothpick or similar to press down on the small latch securing each crimp sockets in the housing, and swap them. Ensure they do NOT touch each other!
This is a normal discharge battery, and NOT a high rate discharge battery. It is NOT suitable for RC cars, planes, drones or other devices that require high power(current) for a short time. They are for applications that run for a long time(days to months) on a single charge, like portable electronic devices, dash cams, cameras or similar devices. The main difference between a high rate LiPo and normal LiPo is the discharge and charge performance. This battery has a continuous discharge rate of 1C, where a high rate battery has a continuous discharge rate of 5C, 10C, 15C, 20C, 25C, 30C 40C, 50C or higher.
The batteries come pre-attached with a genuine 2-pin JST-PH connector as shown and includes the necessary protection circuitry. The JST-PH connector has 2.0mm spacing between it’s pins. Because they have a genuine JST connector, not a low quality 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 0.5C or less. Like most lipos, the batteries we sell do not have thermistors built in. This is why we suggest charging at 0.5C or even less, which is 125mA max for this battery.
When using this battery for wearable applications, and with conductive thread, a short in the thread can create sparks and heat. We recommend using coin cell batteries for beginners.
IMPORTANT! See the specifications below, and ensure not to charge or discharge at higher currents or voltages! Also read the Usage & Precaution section below.
Specifications:
Type: Rechargeable Polymer Lithium Ion battery
Size: 40 x 25mm
Width: 3mm
Weight: 7g
Cable Length(excluding connector): 75 to 100mm
Typical Capacity: 250mAh
Nominal Voltage: 3.6V/3.7V
Full Charge Voltage: 4.20V
Standard Charge Current: 0.2C = 50mA
Maximum Charge Current: 0.5C = 125mA
Recommended Maximum Discharge Current: 0.5C = 125mA
Maximum Discharge Current: 1C = 250mA
Temperature Range: -20°C to +60°C
Protected/Unprotected: Protected
Usage & Precaution
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Connector
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Package Includes
1 x Polymer Lithium Ion Battery, with cable and JST connector
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