• 3.7V 110mAh LiPo battery with JST connector, photo 1
  • 3.7V 110mAh LiPo battery with JST connector, photo 2
  • 3.7V 110mAh LiPo battery with JST connector, photo 3
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Tinker Tailor

3.7V 110mAh LiPo Battery with JST PH 2.0 Connector

3.7V 110mAh LiPo Battery with JST PH 2.0 Connector

$6.25 CAD
$6.25 CAD
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Shipping calculated at checkout.

⚠ WARNING: lithium batteries can catch fire if they are damaged, shorted or charged incorrectly. Always protect your battery in your wearables: keep it away from sharp edges and pins, never sew through it, insulate every connection, use a protection circuit and a LiPo-compatible charger, and never leave it charging unattended.

Make something you didn't plan to. The Maker-O-Matic 3000 will get you started.

Ships next business day from Nova Scotia · 30-day returns · Questions? cmoz@tinkertailor.ca

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Details

A tiny rechargeable 3.7V lithium polymer battery, pre-fitted with a JST PH 2.0mm 2-pin connector. At just 3 grams and 3 mm thin, it is light enough to sit on a wearable without bulk.

  • Voltage: 3.7V nominal (4.2V fully charged)
  • Capacity: 110mAh
  • Model: 302025
  • Size: about 25 mm tall x 19 mm wide x 3 mm thick
  • Weight: 3.0 g
  • Connector: JST PH 2.0mm, 2-pin (optional: you can cut it off and use the bare wires)

How long will it run?

As a guide, for a strip of 10 WS2812B (NeoPixel) LEDs driven by a small ESP32 dev board (roughly 80mA while running):

  • Gentle animations at low brightness: about 30 to 40 minutes
  • Bright colour effects: about 15 to 20 minutes
  • All 10 LEDs at full white: about 10 minutes

These are estimates. Real run time depends on your board, brightness and effects. For longer wearable use, keep brightness low or choose a larger battery.

Charging it

Pair it with our Lithium Battery Charging Board, a tiny USB-C charger with built-in protection that is small enough to sew into a garment. The board takes soldered battery wires, so cut off the JST connector and solder the red and black wires to it.

Safety and shipping

  • Check polarity before plugging in or cutting anything. JST connectors from different suppliers can be wired the opposite way round, so confirm which wire is positive with a multimeter.
  • If you cut the connector off, cut one wire at a time and cover each end straight away so they cannot touch and short.
  • Do not puncture, crush or short the battery.
  • Limit of 3 batteries per order in total, due to postal regulations for lithium batteries. Each is securely wrapped for shipping.