Second-life battery packs
Lithium batteries, tested, measured, guaranteed.
Every pack assembled by cirBATT comes from cells requalified in our workshop. Capacity, SOH, cycles, and safety are measured before listing — no guesswork about what you're buying.
Catalog
Available battery packs
Filter by use case to find the right battery pack for your storage need.
Réf. CBT-D5-LFP
88%
SOH
Residential pack 5 kWh LFP
2 modules, requalified LFP cells
5 kWhCapacity
2800Cycles
48VVoltage
Residential storage
Réf. CBT-D8-NMC
81%
SOH
Residential pack 8 kWh NMC
3 modules, requalified NMC cells
8 kWhCapacity
1450Cycles
48VVoltage
Residential storage
Réf. CBT-D6-LFP
92%
SOH
Residential pack 6.5 kWh LFP
2 modules, requalified LFP cells
6.5 kWhCapacity
3200Cycles
48VVoltage
Residential storage
Réf. CBT-I10-LFP
85%
SOH
Industrial pack 10 kWh LFP
4 modules, requalified LFP cells
10 kWhCapacity
2600Cycles
48VVoltage
Industrial storage
Réf. CBT-I20-NMC
79%
SOH
Industrial pack 20 kWh NMC
6 modules, requalified NMC cells
20 kWhCapacity
1300Cycles
48VVoltage
Industrial storage
Réf. CBT-I30-LFP
87%
SOH
Industrial pack 30 kWh LFP
8 modules, requalified LFP cells
30 kWhCapacity
2900Cycles
48VVoltage
Industrial storage
Why trust us
Every battery pack is documented before sale
No vague "used battery" label. Every battery pack comes with a technical sheet from our workshop testing.
Measured SOH
Real state of health for each cell, not a theoretical estimate.
Estimated cycles
Useful lifespan projection based on intended use.
Integrated BMS
Our proprietary BMS handles balancing and protection for the battery pack.
Capacity guarantee
Contractual capacity guaranteed at delivery.
Specific need?
Can't find the ideal battery pack?
Tell us your use case (capacity, voltage, footprint) and we'll propose a suitable configuration from our available cells.