VMAX LFP22-1255 12V Lithium Battery (55Ah)

VMAX

MSRP: $399.99
$249.99
(Save $150.00)
SKU:
LFP22-1255
Shipping:
Free Shipping
Voltage:
12V
Type:
Lithium
Capacity:
55Ah
Group Size:
22
In Stock
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Product Description

VMAX LFP22-1255 12V lithium batteries 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.
  • Folding carrying handles.

Recommended uses:    

  • Trolling Motors, Solar Power Backup, UPS, Portable Devices, Medical Cart Applications, Camping, Trailers, Boats, and most deep cycle applications.
  • Audio: 850Wrms, 2100Wpeak.
  • NOT for engine start applications.
  • Parallel wiring is acceptable for up to FOUR batteries.
  • Series wiring is acceptable for up to FOUR batteries.

BCI Group: 22* (+ on L.H.S. & - on R.H.S)
* Matching is based on closest dimensional specifications

Recommended Charging Options:    

  • Use a VMAX LiFePO4 charger or a LiFePO4 smart & microprocessor controlled charger with the recommended specs listed.
  • <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.    

Charging time for a fully discharged 55Ah battery
10 amps = 5.5 hours
15 amps = 3.7 hours
20 amps = 2.75 hours

VMAX LFP22-1255 Specs
Nominal Voltage 12.8V (3.2V/cell)
Rated Capacity 55Ah
Rated Energy 704Wh
Output Voltage
Range
10.0V - 14.6V
Charging Voltage 14.4V - 14.6V
Cut-Off Voltage 10.0V
Max. Constant
Charging Current
50A
Recommended
Charging Current
10A - 25A
Max. Constant
Discharge Current
55Ah
Max. 3 sec
Discharge Current
100A
Charging
Temperature
 32°F - 113°F
Discharging
Temperature
 -4°F - 150°F
Storage
Temperature
 -4°F - 113°F
Efficiency >98%
Built-in BMS Yes
Over-Charge
Voltage Protection
>14.8V, Cell: >3.8V
Over-Discharge
Voltage Protection
<10.0V, Cell: <2.0V
Over-Charge
Current Protection
>57A w/15sec Delay
>80A w/ 3sec Delay
Over-Discharge
Current Protection
>57A w/ 15sec Delay
>110A w/ 3sec Delay 
Short-Circuit Protection >400A
Cell Balance Passive 150mA
Over-Temperature
Protection
(Charging)
<23°F or >150°F
Over-Temperature
Protection
(Discharging)
<-4°F or >150°F
Cycle Life
@ 80% DOD
~6000@9A(77°F)
Cycle Life
@ 90% DOD
~4000@10A(77°F)
Design Life ~10 Years
Battery Case Material ABS
Dimensions
(L x W X H)
9" x 5.5" x 8.2"
Terminals M8 Screw In 
Weight 15.5 lbs

VMAX LFP22-1255 12V Lithium Deep Cycle Battery (55Ah) | VMAX Lithium Battery

Warranty Information

5 Year Warranty

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