VMAX XTR16-400 6Volt 400Ah Deep Cycle XTREME AGM Battery


 The Vmax XTR16-400 is a 6-volt, 400Ah (Ampere-hour) deep cycle Xtreme AGM (Absorbent Glass Mat) battery. These batteries are designed for applications where deep cycling, long-lasting performance, and high capacity are critical.

Nominal Voltage- 6V

20Hr Capacity- 400Ah

CA- 1100Ah

RC 25A- 940

RC 75A- 265

Energy- 2.66

Terminal Posts- SAE + 5/16" (coarse-18) STUD

Dimensions (WxDxH)- 11.6" x 7.1" x 15.9"

Weight- 125lbs

Charging Current- 25A - 120A

Charging Voltage- 7.2V - 7.35V

Float Voltage- 68V - 6.9V

Recommended Charging Options- 

  • AC Chargers: Any Quality Brand AGM - Smart & Microprocessor controlled - charger with the recommended specs above can be used.
  • Solar Panel: 300W-800W (200W may be used if Depth of Discharge would not exceed 50%)

*Warning: DO NOT USE A CHARGER WITH SMALLER AMPERAGE THAN THE RECOMMENDED CHARGING CURRENT SHOWN ABOVE 

MAINTAINERS SHOULD ONLY BE USED TO MAINTAIN A FULLY CHARGED BATTERY BUT NEVER AS A CHARGER. 

**TOTAL HIGHT INCLUDED IN TERMINAL POST

Operating Temperature Range- 

  • Discharge- -4°F - 140°F
  • Charge- 14°F - 140°F
  • Storage- -4°F - 140°F

Temperature Compensation-

  • Cycle Use- -15mV/C
  • Standby Use- -10mV/C

BCI Group Codes-

  • Matching Termination- L16

*Matching is based on closest dimensional specifications. Differences in hold downs and termination may require some accommodations and or the extension of one or both vehicle's battery cables.