Lithium-ion polymer battery 3.7V 2500mAh

Name: Lithium-ion polymer battery 3.7V 2500mAh
Brand: Adafruit
SKU: 328
Price: 14.95 USD

Adafruit · MPN 328 · agent-readable version

$14.95indicative · 2026-08-18

Captured from Adafruit's own structured data on the date shown — not a quote. Availability is deliberately not claimed.

Adafruit

$14.95 · 2026-08-18

Specifications — every value carries its receipt

Fully-charged voltage	4.2 V	vendor page “eries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacit” https://www.adafruit.com/product/328
Protection cutoff voltage	2.8 V	vendor page “eans that the battery will cut out when completely dead at ~2.8V. It will also protect against output shorts. However, even” https://www.adafruit.com/product/328
Energy	10 Wh	vendor page “This battery has a capacity of 2500mAh for a total of about 10 Wh. If you need a smaller battery, we also have a 1200mAh mode” https://www.adafruit.com/product/328
Max charge rate	1200 mA	vendor page “/constant-current charger to recharge them and at a rate of 1200mA or less. Like most lipos, the batteries we sell do not have” https://www.adafruit.com/product/328
Protection circuitry included	yes	vendor page “e 2-pin JST-PH connector as shown and include the necessary protection circuitry. Because they have a genuine JST connector, not a knock-off” https://www.adafruit.com/product/328

Connector

JST-PH

vendor page

“model The batteries come pre-attached with a genuine 2-pin JST-PH connector as shown and include the necessary protection cir”

Weight	50 g	vendor page “e battery to avoid accidental rips. Specifications: Weight: 50g Size: 1.9" x 2.3" x 0.29" (50mm x 60mm x 7.3mm) Output: 250” https://www.adafruit.com/product/328
Size	50mm x 60mm x 7.3mm	vendor page “ips. Specifications: Weight: 50g Size: 1.9" x 2.3" x 0.29" (50mm x 60mm x 7.3mm) Output: 2500mAh at 3.7V nominal Diagram UN38.3 Report Data” https://www.adafruit.com/product/328

Capacity	2500 mAh	vendor page “Lithium Ion Polymer Battery - 3.7v 2500mAh : Adafruit Industries, Unique & fun DIY electronics and kit” https://www.adafruit.com/product/328
Nominal voltage	3.7 V	vendor page “Lithium Ion Polymer Battery - 3.7v 2500mAh : Adafruit Industries, Unique & fun DIY electronics” https://www.adafruit.com/product/328