May 6, 2024
May 7, 2024

VMAX LFP27-12100


12V 100Ah High Performance Deep Cycle LIFEPO4 Battery.


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.
Nominal Voltage 12.8V (3.2V/cell)
Rated Capacity (20h @ 25C) 100AH
Rated Energy 1280Wh
Output Voltage Range 10.0V-14.6V
Charging Voltage 14.4V – 14.6V (CC-CV)
Cut-Off Voltage 10.0V
Max. Constant Charging Current 100A
Recommended Charging Current 20A 50A  (best @ 20A)
Recommended Charger Type CC-CV  until current <2A  (0.02C)
Max. Constant Discharge Current 100A
Max. 3sec Discharge Current 150A
Charging Temperature 0C ~ 45C (+32F~ +113F)
Discharging Temperature -20C ~ 65C (-4F ~ +150F)
Storage Temperature -20C ~ 45C (-4F ~ +113F)
Efficiency >98%
Built-in BMS Yes
Over-Charge Voltage Protection Module: >14.8V, Cell: >3.8V
Over-Discharge Voltage Protection Module: <10.0V, Cell: <2.0V
Over-Charge Current Protection >105A w/15sec Delay, >120A w/ 2sec Delay
Over-Discharge Current Protection >105A w/ 15sec Delay, >210A w/ 1sec Delay
Short-Circuit Protection >400A
Cell Balance Passive, 150mA
Over-Temperature Protection-Charging <-5C ( 23F) , >65C (150F)
Over-Temperature Protection-Discharging <-20C (-4F), >65C (150F)
Cycle Life @80% DOD ~6000 @ 20A, 25C (77F)l
Cycle Life @90% DOD >4000  @ 20A, 25C (77F)
Design Life ~10 Years
Battery Case Material ABS
Dimensions L x W X H 12″ x 6.7″ x 8.2″
Terminals M8 Screw In (~5/16″)
Weight 25lb