Frequently asked questions about lithium batteries

How many lithium batteries can be stored indoors?

So far, there is no legal regulation on the maximum number of lithium batteries that can be stored in buildings. Your property insurer will specify this.

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Why not fully charge lithium batteries before storing them?

Lithium-ion batteries should not be fully charged before storage to counteract rapid ageing of the battery. In addition, a lower amount of stored energy can also reduce the severity of the reaction in case of fire.

Does it make sense to tape off the contacts of the lithium battery before storing it?

Yes, this makes sense, as it significantly reduces the risk of short circuits. However, the contacts can only be taped on single cells with open poles. If the contacts are protected by the battery housing, taping is not possible.

How can lithium batteries be optimally stored for a longer period of time?

Lithium-ion batteries should ideally be stored at cool temperatures in lithium storage cabinets or lithium storage rooms. The state of charge of the lithium batteries should be between 30 % and 50 % and should be monitored regularly to prevent deep discharge. From a state of charge of less than 5 %, the respective lithium battery should be recharged to avoid damage due to the natural discharge process. This is individual and depends on various factors: Temperature (higher temperatures favour faster discharge), original state of charge and cell chemistry. In some products, such as robotic mowers, there are special winterisation functions with which the battery management system carries out automatic trickle charging. As a rule, however, a regular manual check is necessary.

How can specifications for separate storage of lithium batteries best be implemented in everyday operations?

The association of property insurers prescribes structural or spatial separation for the storage of lithium batteries, whereby different safety distances apply depending on the power class in the case of spatial separation. Storage or charging cabinets for lithium batteries are an optimal solution in practice, as they are the best and easiest to integrate into production operations from an organisational point of view. With a charging cabinet, defined charging locations are specified where employees place their devices for charging. Otherwise, the employees would always have to ensure that the safety distance required in the individual case is maintained - however, this variant is unsafe because it is difficult to organise and control.

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How many batteries can be stored in a lithium-ion cabinet?

There is no standard legal or insurance quantity limit. In practice, the size and design of the battery cabinet determine the possible storage volume and weight (load capacity of the storage levels). The SafeStore storage cabinet from DENIOS, for example, allows storage of lithium batteries with a total weight of 75 kg per storage level. The power requirements of the chargers are also relevant when selecting charging cabinets. In the DENIOS SmartStore charging cabinet, for example, 3 x 16 A are available. If the lithium-ion cabinet has an integrated extinguishing system, the operating instructions will provide information on how much storage space, if any, must be kept free to ensure optimal extinguishing in the event of a fire.

Are there also lithium battery storage cabinets for outdoor use?

For the outdoor storage of smaller quantities of lithium-ion batteries, DENIOS offers the compact RFP 115 Li-Ion fire protection storage system.

Re: Lithium battery questions

Reply #13 &#; April 29, , 11:54:51 pm

Roger as you said there are temp restrictions on lithium's.  I looked closely at Northstar among others before I went back to our coaches OEM mk gel batteries 6 year ago.  My rational as a prepper in shaky town was to not replace the still operating absorption refer with a backup freezer section compressor if needed and a working  refer/freezer in the bay.

IF the prepper part of our calculations was not there and IF the refer was the later models with the thinner zinc coatings known to fail the decision might have been different. 

At the time the 2 Northstar li ion were $12k.  Plus the rest of the system. We have spent $23k at the Cummins dealer over the last 8 years in upgrades and repairs plus probably a large percentage of that  amount in electronic and electrical stuff and tires.

Well worth it.  Enjoyed  every mile and day. Plus god help is if we really need it.

We used to jet ski at 120F at the river and used to ski at well below zero.  Coach was equipped new to be able to do both extremes.

We were not willing to change the true four season ability of the as built by CM and Ray Fore yet.

No question the li-ion are better in most if not all uses.  Same as the residential refers. 

Remember for us here in locked in shaky town where if things happen you may have to really exist as well as possible.

Everything ties together for us.  House. Rv. Truck. Cars. Power supplies. Food. Solar at home.  Water sources. 

Most laugh or look away when I mention shaky town issues. 

That's for them.  We may be stupid but we are not crazy.  And have the knowledge and interest to do what we can to prepare.

So we have our fully stocked coach within walking distance of our home which is unheard of in south Orange County, ca. But we did it.  Bought our house 20 years ago with the idea that it had coach storage as we said "someday we will own a Foretravel"  well someday occurred.

Different set of facts from most of you I assume.  Plus most of you rarely remote camped in extreme weather.  Or knew CM or the family and sold hundreds of Foretravels  personally.

Thanks for reading this.  Every decision is made up of many parts.  At another day the parts might be different than 8 years ago.

Ps.  DW has a medium term medical issue with a non good ending so we may run off into the sunset for a while and get to live our dream from 35 years ago for a while.  We are ready to go as wanted.

Life is good. Enjoy every day.  Almost None of my 35 year ago Foretravel friends are still around.  Just a few. Hope to see them again.  Down the road......

"Riding and rejoicing"
Bob & Susan
U320 40' Mid entry, build ,  wtbi ce27, 4th owner
Solara convertible
2 prodeco tech outlaw ss electric bikes

watts solar
08 Ls 460 and a sc430
Ford F-250 superduty 4x4

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