Battery Hookup
USED HEADWAY 38120 HP 3.2V 8AH LIFEPO4 BATTERY - $195/kWh
Regular price
$5.00
PRICE DROP AGAIN! NOW JUST $5/CELL FOR TRUE LIFEPO4 POWER CELLS! BACK WHEN THESE CELLS WERE $12 EACH USED AND THE BEST VALUE FOR CAR AUDIO, WE CONTINUED TO PUSH HARD TO SAVE YOU MONEY AND MAKE THESE CELLS THE BEST OVERALL VALUE ON THE MARKET FOR CAR AUDIO AND NOW EVEN FOR SOLAR STORAGE.
THESE CELLS HAVE ALL BEEN VOLTAGE TESTED AND INSPECTED TO BE IN PERFECT WORKING CONDITION AND HAVE ALL BEEN REMOVED FROM WORKING MODULES. WE GUARANTEE NO DEAD CELLS AND AT THIS PRICE YOU CAN'T GO WRONG. NO COMPRESSION NEEDED FOR CYLINDRICAL CELLS.
THESE ARE BIG CELLS WITH A CRAZY AMOUNT OF POWER. EACH CELL IS RATED AT 200A DISCHARGE AND CAN BE CHARGED AT 80A. YOU CAN START A CAR WITH 4 OF THESE IN SERIES. PLEASE BE CAREFUL WITH THESE AND DO YOUR RESEARCH. THIS IS A MASSIVE AMOUNT OF POWER. LIFEPO4 ARE THE BEST OPTION FOR 12V BATTERIES BECAUSE 4 IN SERIES IS EQUIVALENT VOLTAGE TO A LEAD ACID BATTERY.
4 in series = 12v
8 in series = 24v
12 in series = 36v
16 in series = 48v
8 in series = 24v
12 in series = 36v
16 in series = 48v
THIS MEANS RV, SOLAR STORAGE, AND COMPETITION AUDIO, LOOK NO FURTHER. MOST OF YOU WILL MAKE CUSTOM BUSBARS FOR THESE. WE ALSO HAVE KITS AVAILABLE, BMS UNITS, AND EVEN SUPER BEAST MODULES WITH 48 CELLS AND ALL THE HOLDERS AND BUSBARS INCLUDED. JUST KEEP IN MIND HOW MUCH POWER THESE THINGS ARE CAPABLE OF AND USE THE PROPER THICKNESS TO CARRY THAT POWER FOR WHATEVER YOUR APPLICATION REQUIRES. THESE ARE 40 TIMES MORE POWERFUL THAN MOST 18650 BATTERIES. CHECK OUT THE SPECS BELOW, THESE ARE REAL SPECS.
If you over tighten your bolts it could damage the cell. If you have a torque wrench set it to 3nm. Do not tighten over 4nm.
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chemical composition |
LiFePO4 |
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Nominal Capacity |
8Ah |
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Charging voltage |
3.65V |
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Nominal Voltage |
3.2V |
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Cut-off Discharge Voltage |
2.0V |
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Charging Method |
CC/CV |
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Maximum Discharge Current(continuable) |
200A |
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Maximum Charge Current(continuable) |
80A |
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Cycle Life |
1500cycles 1C 100%DOD |
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2000cycles 1C 80%DOD |
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Work temperature |
Charge -10℃ to 45℃ |
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Discharge -20℃ to 65℃ |
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Energy Density |
83 Wh/Kg |
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Initial Internal Impedance |
<4mΩ |
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Dimension(mm) |
Diameter |
38mm |
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Length |
120mm(152 with screw) |
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Weight(g) |
360 |
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