LiFePO4 battery packs based on 18650 cells

The conformal battery pack is made from high-quality LiFePO4 (lithium iron phosphate) cells, providing more than 3,000 charge-discharge cycles and reliable operation at sub-zero temperatures.

Precision molding to the shape of the case in a polyurethane compound ensures optimal use of the instrument case's internal volume and a perfect fit against its walls and base, which is especially important for mobile devices operating under vibration.

Depending on customer requirements and the case used, packs can be produced with electrical capacities from 12 to 120 Wh, providing a voltage of 11.6 .. 14.4 V. Depending on the case material, both removable and non-removable packs can be made.
The specific case model and pack height are agreed in advance.

Purpose

Battery packs based on 18650-format LiFePO4 cells are made for a specific instrument case rather than produced in a single standard size. They are intended for mobile devices that operate under vibration, where optimal use of the case volume and a secure fit of the pack matter. For powering submersible equipment there is a different product — the uBat underwater battery packs with a sealed connector.

What is agreed when ordering

To design the pack, we need the case model and pack height, the required capacity within 12 to 120 Wh, and the version: depending on the case material, the pack can be removable or non-removable. A battery management system (BMS) module is built in, and the polyurethane compound layer protecting the cells is at least 5 mm thick. The operating voltage range is 11.6–14.4 V.

Documentation

A general description of how conformal packs are made is on the documentation page on docs.unavlab.com (available in Russian; see also the English accessories section).