Product Description
XTR16-400 6V AGM Deep Cycle Battery
The VMAX XTR16-400 6V deep cycle battery delivers true dual-purpose AGM performance, combining 1,100 cold-cranking amps with a 400Ah capacity in a standard L16 (Group 903) case. It’s built for applications that need both strong power and long, reliable runtime—without a compromise.
Engineered using VMAX’s military-grade AGM construction, the XTR16-400 features thick internal plates, tightly packed separators, and a sealed, maintenance-free design. The result is excellent vibration resistance, high output, and durability that holds up in the toughest environments.
Ideal for floor scrubbers, inverter systems, commercial equipment, and other high-draw applications, the XTR16-400 is a dependable upgrade when reliability, endurance, and versatility matter.
Features & Benefits
- High Power Output – 1,100 cold cranking amps ensure reliable power in all weather conditions.
- 400Ah Deep-Cycle Capacity – Designed for frequent deep discharges without loss of capacity.
- AGM Construction – Heavy-duty plates with Absorbed Glass Mat separators for extreme durability.
- Heavy Vibration Resistance – Rugged construction ideal for marine, RV, and industrial environments.
- Group L16 – Direct-fit replacement for applications requiring L16 or Group 903 batteries.
- Low Self-Discharge – Maintains a charge longer between uses than conventional flooded batteries.
- Temperature Tolerant – Dependable starting power in both high and low temperatures.
- Dual Terminal Design – 5/16″ Studs + SAE Automotive Posts provide versatile connections.
- Built for Commercial Use – VMAX takes pride in building Tough Batteries for Tough Applications.
VMAX Xtreme Series AGM
VMAX Xtreme AGM batteries are engineered for applications that demand high power and zero excuses. Built with thick, military-grade lead plates and tightly compressed AGM separators, they deliver true deep-cycle endurance, fast recovery, and consistent output—day after day.
These batteries are purpose-built for high-demand environments – inverter banks, off-grid systems, mobility equipment, trolling motors, and industrial machinery. You get rugged construction, long runtime, and maintenance-free reliability in a single platform that handles both starting bursts and sustained cycling. When failure isn’t an option and compromises cost you, VMAX Xtreme AGM is built to perform.
| Voltage | 6V |
| Capacity | 400 Ah |
| Type | Dual Purpose AGM |
| Cranking Amps | 1,100A |
| Group Size | L16 / 903 |
| Length | 11.6" (295 mm) |
| Width | 7.1" (180 mm) |
| Height | 15.9" (404 mm) 16.7" (424 mm) w/terminals |
| Terminals | 5/16" Studs (HW included) & SAE Posts |
| Weight | 125 lbs |
| Charging Current | 25 - 120 Amps |
| Charging Voltage | 7.2V - 7.3V |
| Float Voltage | 6.8V - 6.9V |
| Float Service Life | 10 - 12 Years |
| Warranty | 1 Year |
For additional specifications please reference the XTR16-400 Datasheet
XTR16-400 Battery Cross-Reference
Replacement for Group L16 (903) Batteries: 903-S, 8L16, DC400-6, L16-AES, LDC6-400-L16, SLI6V370S, USAGM-L16, US-L16-XC2, USL16HCXC2.
Group L16/903 Applications
Off-Grid & Renewable Energy
Industrial & Commercial Equipment
Remote Infrastructure Power
Agricultural & Rural Power Systems
Backup Power Systems
Recreational Vehicles
