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35-Cell LiFePO4 Pack 16V 370Wh OBX-E + optional Balancer

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  • $49.00
  • Regular price $65.00
  • Will be in stock after
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Please read the description carefully.

Shipping to Lower 48 USA states only via Ground Shipping. No international shipping including Hawaii, Guam, Puerto Rico. Non-USA customers click here.


16V packs, recommended for using 3 packs in series for 48v applications (15s) OBX-E LiFePO4 cells and building booster packs for your Bluetti. The BMS is rated for 5A and will turn on by initially charging the pack to 18.2 volts.

When linking multiple OBX-E packs, remember to balance charge your OBX-E packs so they're balanced at the same charge level. To do that, add to cart the OBX-E Balancer Charger 18v 2A DCBalancer sold separately, and available right here in the dropdown menu.

Choose from the dropdown menu:

  • 35-cell OBX-E LiFePO4 26650 Pack
  • Balancer Charger for OBX-E, 18v 2A DC


  • 35-cells per pack
  • 16 volt pack
  • 26650Fe LiFePO4 chemistry
  • 297.5 Wh

Here is the mating cable ATX connectors -


Use this OBX-E pack to make a booster battery for your Bluetti/Ecoflow, watch these videos:



Also, use these packs to make Jehu's 3.3KWH LFP PCB TOOL BOX KITL:



Note that these are reclaimed packs, so the actual cell voltage you receive may be lower than the label shows. These items are sold for DIY and Second Life purposes. Listings that are “untested” as sold as-is and cannot be returned, exchanged or refunded. We make no guarantees that all cells will be usable. Even when sold as “new”, “NOS”, or “like-new”, they may be in less than perfect condition. Buyer is responsible for proper cell recycling/disposal. Sold as-is. No refunds.

If you buy a product from us and then realize you don't have, or don't want to acquire, the tool(s) or information needed to make our product(s) work for your specific build, this does not constitute valid grounds for replacements, exchanges or refunds. You are responsible for doing your due diligence before making any purchases.

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