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General LiFePo4 Battery Information
Lighter than lead
LiFePO4 does not suffer “memory effect” so please keep the battery fully charged for daily use
Don’t have to worry about damaging the battery if you use it until it stops.
Cannot charge the battery below 32 degrees F
Can’t use the battery below 30 degrees F
It is possible to purchase a LiFePo4 battery with an auto heater for use in cold climates
Charging the battery requires a special charger, LiFePo4.
No issue with using the battery indoors; charge or discharge
The larger LiFePo4 batteries can come with a Bluetooth app that tells you the battery status.
You can lay the battery in any position to use it (verify with the manufacturer)
You cannot add batteries later to improve your battery capacity; it has to be done at the beginning.
Always get a single battery that meets your voltage and capacity requirements. 1 200Ah vs 2 100Ah
No maintenance required just keep it charged
Do watch for grade A+ prismatic cells. They do cell reconditioned as new
Best
Bioenno 12VDC 20Ah battery (BLF-1220A) $192
2000-3000 charge cycles
20 year warranty from of time of purchase (this is incredible)
PVC pack (Shrink tube) instead of ABS encased; 6.5 x 4.31 x 3.3 5.4 lbs
Will need to protect the batteries because of the way the batteries are packaged
They do sell the ABS for $12 more (BLF-1220BS)
DC charging uses a barrel plug connector. Purchased separately.
· Requires 14.6VDC to charge at 4A over 10 hours to fully charge.
· 30A continuous discharge; 40A Max for 5 seconds
Protection Circuit Module (PCM)
o Internal cell balancing
o Over current protection
o Under voltage protection
o Over voltage protection
o Short Circuit protection
o Integrated charge circuited
· No temperature protection
Boasts no EMI/RFI interference
Good
ExpertPower 20Ah 12.8VDC UPC840140948349 $130
4000-7000 charge cycles
10 year warranty
ABS encased, High Impact 7.1” x 3” x 6.6” 5 lbs
DC charging 10A at 14.4VDC
20A continuous discharge; 45A for 2 seconds
Battery Management System (BMS)
o Internal cell balancing
o Over current protection
o Under voltage protection
o Over voltage protection
o Over Load protection
o Over heating
o Over (deep) discharge protection
o Short Circuit protection
o Low temperature protection
100Ah Comes with a Bluetooth app to tell you the battery status.
Yes, you could purchase a 12VDC 20Ah sealed Lead Acid Battery SLA for $39.
You can only use it to 60% because there is no BMS to protect the battery.
Only a 90 day warranty $90 more and you can have a LiFePo4 battery.
Good reference material:
https://www.delongtop.com/what-is-a-lifepo4-battery/
https://lithiumhub.com/lifepo4-batteries-what-they-are-and-why-theyre-the-best/
Brian,
I appreciate the specifications and info on the Bioenno Battery and charger, as I recently purchased both the Bioenno Battery 12 volt, 20 Ah model #BLF-1220. and the Bioenno Charger, model# BCP-1504.
73 and Thank you,
Peter KC1FNF
That seems a little expensive for a 20Ah lifepo4 battery. I have had my eye on this one for a while ($47):
I’ve also been using this charger for a while on my LiTime Lifepo4 batteries for my camper.:
Also, if anyone is looking for something a bit larger, I cannot recommend LiTime enough. Low temp charge protection, 200A BMS, and great customer service. I have been running two of these in my camper for a couple years now, and used the battery bank last field day to run on emergency power.
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