THE CUSTOM BUILDER · LIVE PRICING
Build the pack.
Your spec. Our welds.
Six decisions. Every number recalculates in real time — capacity, weight, range, peak current, price. When you're happy, add it to the cart and we'll start cutting nickel within 24 hours.
01
Pick the cell
02
Geometry
series (voltage)
parallel (capacity)
final geometry12S4P
cell layout · esk8 flat · BMS in front
48 cells · 21700 · 12S4P
BMS
← 4P (parallel) ↑12S (series) →
03
BMS
placement
04
Enclosure
05
Signature
0/24 chars · all caps
01 · step
CAD review
Within 24h of order we send a 3D layout for your enclosure.
02 · step
Hand spot-weld
Every nickel strip welded twice, pull-tested to 4 kg.
03 · step
Wet test
48h burn-in cycle. Signed test sheet ships in the box.
04 · step
EU warranty
5 years on cells, lifetime on welds. Built in Italy.