MasterCATZ wrote:they wouldn't give me any price or eta so I built an VRLA instead
I was holding out for them for ages as well
MasterCATZ wrote:yep 48 2v cells
need to readjust the charger I think it's trying to push their voltage higher than the 2.23V float
Now for a brief overview about some of the specifications of the Zcell battery.
Although it has a small footprint is fully modular and scalable up to multiple MW capacities.
Our batteries have the following unique features:
Nominal capacity of 10kWh with up to 5kW under 48V in a compact format, (1000mm long, 500 mm wide and 1150 mm high),
100% Depth of Discharge every day of its life (NO reserved capacity required).
Continues to deliver its entire rated energy output as it ages (unlike a conventional battery),
i.e. it doesn’t lose total storage capacity as it ages, with NO risk of irreversible over-discharge, eliminating the need for oversizing the battery and therefore extra costings,
It comes with a 30MWh Warranty, with expected energy throughput of 40MWh,
Unlimited calendar lifetime and high cycle life (4000 full cycles) makes the ZBM the most economical cycling storage in many use cases,
Has a great recycling story:
At end of life, the battery is also 100% recyclable (electrolyte, can be cleaned and put in a new battery and almost all of the rest of the battery - including the electrodes, is made of recyclable HDPE plastic, with NO Rare Earth materials used).
Unlimited storage with no self-discharge ensures asset value is unaffected even in case of prolonged idleness of the energy system,
High ambient temperature range (without active cooling - just ambient air cooling).
Nominal operation at Internal temperature of up to 50°C allows operation without active ACU cooling, even in outdoor operation in deserts,
No risk of thermal runaway of the technology allows a massive reduction of the safety requirements,
Doesn’t have a fire risk (Bromide electrolyte is a Fire Retardant) and does not need a fire suppression system and thermal management systems,
An optimised bill of material, mainly based on plastic components (up to the electrode plates) ensures strong volume cost reduction potential.
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