Talk to the peoplewho build them.
No support queue, no ticket bot. Tell us what you’re running and what you need and you’ll get a straight answer.

Sizing a build
Not sure which pack or how many? Run the numbers yourself first — it answers most questions in about a minute.
Already own a pack
Charging windows, first-install steps, troubleshooting and safety are all written up — including for the discontinued models.
Shops & creators
Reselling in a storefront, or promoting to an audience? There’s a programme for each.
Email us.
The more you tell us up front, the faster this goes. For anything technical, include your pack model, your charging voltage, and what your meter is reading.
Sales & orders
Lead times, order status, changing an order, freight quotes.
Technical
Charging, sizing, install questions, troubleshooting a pack.
Warranty
Include your order number and what the pack is doing.
Wholesale
Dealer pricing, terms, freight consolidation, allocation.
Message us
Goes straight to the same inbox.
Two things that save a round trip.
Lead times are on the product page
Sodium ion is built to order and the current estimate is published on each listing, updated as cell shipments land. It’s the same date we’d give you by email.
Delivery questions are already answered
Carriers, what to expect on delivery, returns and damage claims are all written up on our Shipping & Returns page. Worth a look before you write in.