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LFP22-1255 LiFePO4 Li-Iron 12V 55AH Deep Cycle Battery
LFP22-1255 LiFePO4 Li-Iron 12V 55AH Deep Cycle Battery

LFP22-1255 LiFePO4 Li-Iron 12V 55AH Deep Cycle Battery

On sale:$499.99
Free Shipping within the 48 States.
Part Number:LFP22-1255
Quantity Pricing
Quantity
Price
  • 2 - 7
  • $482.49
  • 8 - 11
  • $474.99
  • 12 - 15
  • $464.99
  • 16+
  • $449.99
LFP22-1255
VMAX 12V 55AH HIGH PERFORMANCE DEEP CYCLE LIFEPO4 BATTERY

Nominal Voltage12.8V (3.2V/cell)
Rated Capacity (20h @ 25C)55AH
Rated Energy704Wh
Output Voltage Range10.0V-14.6V
Charging Voltage14.4V - 14.6V (CC-CV)
Cut-Off Voltage10.0V
Max. Constant Charging Current50A 
Recommended Charging Current10A -25A
Recommended Charger TypeCC-CV  until current <1.1A  (0.02C)
Max. Constant Discharge Current50A
Max. 3sec Discharge Current100A
Charging Temperature0C ~ 45C (+32F~ +113F) 
Discharging Temperature-20C ~ 65C (-4F ~ +150F)
Storage Temperature-20C ~ 45C (-4F ~ +113F)
Efficiency>98%
Built-in BMSYes
Over-Charge Voltage ProtectionModule: >14.8V, Cell: >3.8V
Over-Discharge Voltage ProtectionModule: <10.0V, Cell: <2.0V
Over-Charge Current Protection>57A w/15sec Delay, >80A w/ 2sec Delay
Over-Discharge Current Protection>57A w/ 15sec Delay, >110A w/ 3sec Delay 
Short-Circuit Protection>400A
Cell BalancePassive, 150mA
Over-Temperature Protection-Charging<-5C ( 23F) , >65C (150F)
Over-Temperature Protection-Discharging<-20C (-4F), >65C (150F)
Cycle Life @80% DOD~6000 @ 10A, 25C (77F)l
Cycle Life @90% DOD
>4000  @ 10A, 25C (77F)
Design Life~10 Years
Battery Case MaterialABS
Dimensions L x W X H9" x 5.5" x 8.2"
TerminalsM8 Screw In (~5/16")
Weight15.5lb


VMAX LFP battery modules consist of high quality cells, components and a custom designed BMS giving them many advantages including:

  • High performance long life, safe and wide temperature range LFP single cells.
  • High energy density, small size, light weight, no pollution.
  • High efficiency, fast charging.
  • Built-in BMS offering voltage, current and temperature protection.
  • Standard battery case for an easy VRLA battery replacement.
  • 10 years design life, Stable performance, maintenance-free.

Recommended Charging Options:

  • Use a VMAX AGM Charger* or a LiFePO4 Smart & Microprocessor controlled charger with the recommended specs above.
  • <15V alternator if used in vehicle or marine application.
  • Compatible Lithium Charge controller if used in solar applications.
  • Charge at Max Charging current only in situations when fastest charging rate is needed. Not recommended on an ongoing basis.  
  • Do not Recondition Lifepo4 batteries. 
* VMAX Charging time for a fully discharged 55AH battery:
VMAX Charger Model #
EST. Charging Time (Hours)
VBC1205LFP, BC8S1205A
11
VBC1210LFP, BC8S1210A
6
VBC1215LFP, BC8S1215A
4
VBC1220LFP, BC8S1220A
3

Recommended uses:
Trolling Motors, Solar Power Backup, UPS, Portable Devices, Medical Cart Applications, Camping, Trailers, Boats, and most deep cycle applications.
Audio: 750Wrms, 1800Wpeak
NOT RECOMMENDED for engine start applications.
Parallel wiring is acceptable for up to FOUR batteries. 
Series wiring is acceptable for up to TWO batteries.

BCI Group Codes*:

       Matching Termination:  22 (+ on L.H.S. & - on R.H.S)

Battery comes with carrying handles that may vary in shape and color.
      
* Matching is based on closest dimensional specifications.
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