VMAX SLR125 Group 31 AGM Deep Cycle Battery – 125Ah / 720 CCA

VMAX

$289.99
SKU:
SLR125
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Voltage:
12V
Type:
AGM
Capacity:
125Ah
Group Size:
31
Terminals:
M8 Inserts
Polarity:
+ Left / - Right
Deep Cycle:
Yes
Dual Purpose:
No
Length:
12.5" - 12.9"
Width:
6.5" - 6.9"
Height:
8.5" - 8.9"
Weight:
75 lbs
Capacity Group:
100 - 200Ah
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Product Description

125Ah Group 31 AGM Battery

The VMAX SLR125 12V deep cycle battery delivers true AGM performance with a 125Ah capacity in a Group 31 case. It’s built for use in RV's, and off-grid energy storage applications that need lasting, steady power for extended periods of time. Engineered using VMAX’s military-grade AGM construction, the SLR85 features thick internal plates, tightly packed separators, and a sealed, maintenance-free design. The result is excellent durability that holds up in the toughest environments.

Features & Benefits

  • 125Ah 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.
  • Vibration Resistance – Rugged construction that's ideal for RV, marine, and mobile environments.
  • Low Self-Discharge – Maintains a charge longer between uses than conventional flooded batteries.
  • Temperature Tolerant – Dependable power in both high and very low temperatures.
  • Group 31 – Replacement or upgrade for many RV, marine, and off-grid applications.
  • M8 Insert Terminals – Includes new hardware for quick installation and secure connections.
  • Left-Positive Polarity – Verify your current battery's terminal locations before purchase.
  • Built for Commercial Use – VMAX takes pride in building Tough Batteries for Tough Applications.

VMAX SLR Series AGM Batteries

VMAX SLR Series AGM batteries batteries designed to deliver dependable deep-cycle power, day in and day out. Constructed with military-grade lead plates and sealed AGM technology, these batteries deliver consistent performance with zero maintenance and extremely low self-discharge. They’re engineered to handle deep cycling, long standby periods, and heavy vibrations—making them ideal for solar systems, RV's, marine applications, and backup power. Available in capacities from 50Ah to 200Ah, the SLR Series scales easily to match your power requirements without compromise. Whether you’re running off-grid or preparing for outages, VMAX SLR batteries hold their charge, cycle cleanly, and are built to perform—year after year.

Specifications

SLR125

VMAX SLR125 Specifications

12 Volt Group 31 Deep Cycle AGM Battery

  • Nominal Voltage 12V
  • Capacity 125Ah
  • Group Size 31
  • Type Deep-Cycle AGM
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Electrical
Nominal Voltage 12 Volts
Capacity 125Ah
Type Deep-Cycle AGM
Cold
Cranking Amps
720 Amps
Marine
Cranking Amps
900 Amps
Dimensions & Fitment
Group Size 31
Length 12.90" (328 mm)
Width 6.80" (173 mm)
Height 8.50" (216 mm)
8.70" (221 mm)
w/terminals
Terminals M8 Inserts
(hardware included)
Polarity + Left / - Right
Weight 75 lbs (34.0 kg)
Charging & Warranty
Charging Current 8 - 35 Amps
Charging Voltage 14.4V - 14.9V
Float Voltage 13.5V - 13.8V
Warranty 1 Year

Charging Note: Use a 12V AGM-compatible charger at 14.4V–14.9V (float 13.5V–13.8V). Do not use flooded-battery charge profiles on this battery.

VMAX SLR125 Datasheet
Bulk Pricing

Bulk Pricing on VMAX SLR125 Batteries + Free Shipping

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2-3 — $10.00 Off Each
4-8 — $15.00 Off Each
9+  — $20.00 Off Each

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Cross-Reference

VMAX SLR125 Battery Cross-Reference

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Group 31 Batteries w/Studs or Bolt Terminals: 0400122, 15020258, 31-AGM-MT, 31M, 31M-AGM, 31MDP, 31‑PC2150S, 7T31, 7T31P,  8231, 8272, 8A31DTM (Deka), 8A31DTM (P1), 8G31, 8G31DTM, 91083483, 9831DT, AGM31DT, CT2500, D31M, DB8A31DTM, DC31DT, DP31CS, DP31DT, DURHR12-430C/FR-A, HEPPC2150T-M, NSB‑AGM31, NSB-AGM31M, ODX‑AGM31, ODX-AGM31M, MB137-120, MR137-120, PC2150M, SLI31AGMDP, SLI31AGMDPM, SLI31CS, SLI31DP, SLI31DTMAGMDC, SLI31MDC, SLI31MDP, SLI31PHP/SHP, SLR125, SRM-31, US 31DC XC2, US AGM 31, XCA31-1400, XTR31-135.

Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.

CHARGERS

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Warranty Information

1 Year Warranty

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