Battery-powered and portable builds
Rechargeable 3.7 V 2000 mAh li-po cell with built-in protection — runs a board from a single-cell LiPo/Li-ion charger input.
Engineering inference
PKCELL
PKCELL LP803860 lithium-polymer pouch cell: 3.7 V nominal, 2000 mAh (1900 mAh min), 4.2 V charge, 3.0 V cut-off, 1C (2 A) continuous discharge, built-in 1S protection (R5402N101KD), 62 × 38.5 × 8.5 mm max, 34 g, red/black leads to a genuine JST PH 2-pin plug.
LP803860Development boardFacts about the complete product. Unknown values remain open design questions.
Guidance to help you shortlist. The basis is shown for each recommendation.
Rechargeable 3.7 V 2000 mAh li-po cell with built-in protection — runs a board from a single-cell LiPo/Li-ion charger input.
Engineering inference2 A continuous discharge covers small motors and servos alongside the controller.
Engineering inferenceNo-load speed, rated performance and stall limits describe different operating points. A stall specification is not a continuous operating rating.
Supply range 3–4.2 V.
From $12.5 at www.adafruit.com. Prices are observed unit prices before tax and shipping.
62 × 38.5 × 8.5 mm. A STEP model is available for enclosure fit checks.
Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.