Frequently Asked Questions

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No, not at all. In fact many of our customers do not have any renewables and just charge their battery banks when the grid is available or overnight from cheap-rate energy tarifs- this is called “load shifting” or “load shedding”.

The electricity source could also be from a fuel cell product or a generator (petrol or diesel)!

load shedding

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University of Manchester conducted a 5 month test project and has independently verified the quality and longevity of the ELe battery packs.

university of manchester

Key Conclusions

 Assuming a linear capacity loss with cycle number then a worst case scenario is for a ‘day’ cycle consisting of a 10A 10 hour charge profile and overall computer loading of 750W for 7 hour, then the ELE-POD is predicted to be able to perform 2830 cycles before 80% capacity remaining is reached.

2830 cycles is equivalent to daily usage for almost 8 years. Or, assuming a UK school year is 195 days, the ELE-POD will reach 80% remaining capacity after 14 years and 6 months.

 Accelerated capacity loss tests with a scaled ‘day’ cycle showed a marginal reduction in capacity loss per cycle if the cells are scheduled to start charging straight after the one hour balancing rest period at the end of discharging as opposed to delaying the charge to finish just in time for the balancing rest before the next discharge cycle.

ELe POD Battery lifetime testing UoM

Extrapolating to 70% EOL is with more risk as the assumed linearity may take the actual value further
from that predicted. Consideration might also be given to changing the BMS parameters to
accommodate ageing cells. Certainly monitoring individual cells and replacing them as necessary may
be a more cost effective way of prolonging battery health.

If 70% of the original capacity is considered EOL then 4244 cycles can be performed by the ELE-POD
of the ‘day’ schedule. This is equivalent to 11 years of continuous use, or 21 years and 9 months for a
UK classroom environment.

Category: Battery Pack

Lithium-ion does not have the sulfation problem of lead acid that occurs when the battery is stored without periodic topping charge. Lithium-ion has a low self-discharge and is environmentally friendly. Disposal causes minimal harm.

Category: Battery Pack

Lithium-ion is a low maintenance system, an advantage that most other chemistries cannot claim. There is no memory and the battery does not require scheduled cycling to prolong its life.

Category: Battery Pack

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ELe Energy storage and distribution

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