Semi-custom Li-ion battery packs cut NRE costs

Semi-custom Li-ion battery packs cut NRE costs

New Products |
By Nick Flaherty

The CellPac BLOX service offers system designers a range of lithium-ion cells, Protection Circuit Modules (PCMs) and connectors which can be combined to produce lithium-ion batteries ranging from 150mAh up to 7800mAh.

Over 50 combinations of cells and PCMs have been tested and validated by VARTA Storage to guarantee safety, and almost any standard wire/connector assembly can be added to create a semi-custom lithium-ion soft pack. A detailed CellPac BLOX Handbook allows for easy selection of compatible components.

VARTA Storage will ship approval samples and full drawings of the user’s chosen battery pack configuration within three weeks of receipt of the customer specification. On approval of the samples, VARTA Storage begins shipments for mass production, with an expected lead time of 12-16 weeks. All cells carry UL 1642 recognition, and all packs are tested for transportation according to the UN 38.3 standard. On request, additional options are available to CellPac BLOX users, such as IEC 62133 certification, or the use of non-standard connectors.

The service is aimed at SMEs for which the NRE and unit costs of a full custom lithium-ion pack are often too high but where time-to-market is also critical. CellPac BLOX allows them to configure a battery pack which closely matches the electrical and mechanical requirements of their application and to implement it quickly in their end product design, drawing on detailed technical data to estimate its performance and lifetime in their application’s operating conditions.

The service is available through all authorised distributors of VARTA Storage products in Europe.

More information can be found at

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