OPEN BOX Condition: May have cosmetic scratches or blemishes due to shipping or
handling. May be demo batteries installed for a few days.
tested to ensure a capacity of 95%-100% of brand new batteries.
Includes a 12 Month Warranty.
VMAX 12V 55AH HIGH PERFORMANCE DEEP CYCLE LIFEPO4 BATTERY
|Nominal Voltage||12.8V (3.2V/cell)|
|Rated Capacity (20h @ 25C)||55AH|
|Output Voltage Range||10.0V-14.6V|
|Charging Voltage||14.4V - 14.6V (CC-CV)|
|Max. Constant Charging Current||50A |
|Recommended Charging Current||10A -25A|
|Recommended Charger Type||CC-CV until current <1.1A (0.2C)|
|Max. Constant Discharge Current||50A|
|Max. 3sec Discharge Current||75A|
|Charging Temperature||0C ~ 45C (+32F~ +113F) |
|Discharging Temperature||-20C ~ 65C (-4F ~ +150F)|
|Storage Temperature||-20C ~ 45C (-4F ~ +113F)|
|Over-Charge Voltage Protection||Module: >14.8V, Cell: >3.8V|
|Over-Discharge Voltage Protection||Module: <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, >80A w/ 2sec Delay |
|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 @ 10A, 25C (77F)l|
|Cycle Life @90% DOD||>4000 @ 10A, 25C (77F)|
|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 (~5/16")|
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: * VMAX Charging time for a fully discharged 55AH battery:
|VMAX Charger Model #||EST. Charging Time (Hours)|
Motors, Solar Power Backup, UPS, Portable Devices, Medical Cart
Applications, Camping, Trailers, Boats, and most deep cycle
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