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SKU:XTR31-135-6

72V 135Ah (6xXTR31) AGM (12V each) Battery Upgrade for GEM Cars

72V 135Ah (6xXTR31) AGM (12V each) Battery Upgrade for GEM Cars

Regular price $1,699.98 USD
Sale price $1,699.98 USD Regular price $1,799.98 USD
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200 in stock

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72V - 135Ah AGM Deep Cycle GEM Car Upgrade

(x6) 12V 135Ah High-Performance Battery Pack

Upgrade and Replace the Batteries in Your GEM EV for Optimal Performance!

This set includes 6 XTR31-135 12V 135Ah High-Performance, Maintenance-Free Batteries—engineered to deliver reliable, long-lasting power.

Fully Compatible with Delta-Q Chargers: Simply select charge profile #42 or #126 for seamless charging for AGM batteries.

For easy guidance on changing your charging profile, watch this step-by-step video here: Watch Video

VMAXTANKS XTREME SERIES

The Heavy-Duty Xtreme Series offers enhanced charging speed and exceptional deep cycle performance, ensuring your GEM EV runs at its best for years to come.
  • Dimensions: 13" L x 6.8" W x 8.4" H (8.7" H with terminals)
  • Model: XTR31-135
  • Long Lifespan: Designed with superior plates for an expected life of 10 to 12 years in float service applications, delivering reliable power and longevity.

Boost your EV’s performance and enjoy long-lasting power with the Xtreme Series batteries!

1-Year Manufacturer's Replacement Warranty.
.

 Nominal Voltage 20Hr Capacity CCA
MCA
RC (min)
 Energy
(kWH)
 Terminal Posts  Dimensions Weight
Charging Current*
Charging Voltage
Float Voltage
 12V 135AH
 690A 
 920A 
265
 1.8 
8mm (included)
13"w x 6.8"d x 8.4"h/8.7th** 77lb
10A-35A
14.4V-14.9V
13.5V-13.8V
25A @ 1.75/Cell  265Min

75A @ 1.75/Cell    75Min



Short Circuit Current: 2500A
Max Discharge Current: 1000A (5s)
Internal Resistance: 3.2 mOhms

Recommended Charging Options:
  • AC Chargers: Any Quality Brand AGM-Smart & Microprocessor controlled- charger with the recommended specs above can be used.
  • Vehicle Alternator: 14V-15V.
  • RV Converter: 14V-15V.
  • Solar Panel: 175W-450W.
  • Wind Turbine: 175W-450W.
  • Charge Controller: 15A-UP
Warning: Do not use a charger with a smaller amperage than the recommended Charging Current shown above.
Small maintainers should ONLY be used to maintain a fully charged battery but NEVER as a charger.


Operating Temperature Range:
  • Discharge: -4~140F
  • Charge: 14~140F
  • Storage: -4~140F
Temperature Compensation:
  • Cycle use: -30mV/C
  • Standby use: -20mV/C
BCI Group Codes*: Group 31
Matching Termination:  (+) on L.H.S. & (-) on R.H.S) 

 VMAX CHARGE TANK: The Ultimate Power Solution

  • AGM Electrolyte Suspension System: Ensures reliable performance with minimal maintenance.
  • Custom-Built Military-Grade Alloys: Crafted for durability and long-lasting strength.
  • Maintenance-Free Operation: Enjoy hassle-free use with no need for regular upkeep.
  • Fast Charge Delivery: Get back on the road faster with rapid charging capabilities.
  • Ultra-Low Self-Discharge Rate: Holds power longer, even when not in use.
  • Built for Extreme Conditions: Resistant to vibrations, heat, and harsh weather, ensuring consistent performance in any environment.
  • Sealed, Non-Spillable & Non-Hazardous: Safe, eco-friendly design with no dangerous fumes or gases.
  • Maximum Power Density & Deep Cycle Performance: Delivers outstanding power and reliability, cycle after cycle.

Don’t settle for ordinary lead-acid batteries. Choose the VMAX CHARGE TANK for superior performance, durability, and peace of mind.


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