【Battery Specifications】Model: 103450 Li-ion Battery (Lithium Polymer). Battery Size: 10 x 34 x 50mm / 0.39" x 1.34" x 1.97" . Voltage: 3.7V; Max Charging Voltage: 4.25V. Capacity: 2000mAh. Net Weight: 34g.
【Micro JST 1.25mm 2-Pin Connector】Built with a Micro JST 1.25mm 2-pin plug for quick installation and a secure connection. Great for devices that use a 1.25mm battery port. Please confirm connector type, plug shape, and polarity before ordering.
【Must Confirm Before Purchase】Not universal. Please verify before purchase: (1) battery size 10×36×65mm, (2) connector type: Micro JST 1.25mm 2-pin, (3) plug direction/shape, (4) wire polarity (+/−). Wrong connector or reversed polarity may cause your device not to power on or may damage the circuit.
【Built-in PCM Safety Circuit】Built-in PCM protection provides over-charge, over-discharge, over-current, and short-circuit protection. Helps improve charging safety, supports stable charging cycles, prevents leakage, and extends the service life of both the battery and your device.
【Wide Applications for DIY & Portable Electronics】Ideal for powering 3.7V rechargeable devices and DIY projects such as ESP32, Arduino, NodeMCU boards, GPS trackers, Bluetooth speakers, wireless modules, monitoring devices, smart home systems, and other 1S LiPo battery applications requiring longer runtime.