48V 105Ah Golf Cart Battery
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Power your cart with next-generation lithium performance. The 48V 105Ah LiFePO₄ Golf Cart Battery delivers strong acceleration, longer range, and dependable energy—without the maintenance hassles of lead acid. With integrated Bluetooth connectivity, you can monitor battery status in real time from your smartphone, making it easy to track charge level, voltage, and system health. Built for durability and safety, this battery is engineered for smooth rides, quick charging, and long cycle life.
Description
| Capacity 105AH |
Voltage 51.2V |
Weight 100 lbs |
Size 18” x 10-3/4” x 9-7/8” |
Warranty 10 years |
- 48V 105Ah capacity for extended driving range
- LiFePO₄ chemistry for superior safety and stability
- Bluetooth monitoring for real-time battery status from your phone
- Long cycle life
- Lightweight design vs. lead-acid batteries
- Fast charging and consistent power output
- Maintenance-free operation (no watering, corrosion, or equalizing)
- Built-in protection for overcharge, over-discharge, overheating, and short circuit
THE MILLERTECH® SPORT SERIES LITHIUM BATTERY
10 YEAR GUARANTEED WARRANTY IS SIMPLE!
TERMS:
From the date of your battery purchase through year number 10 of ownership, your battery is covered. If it stops working during this time, we will repair or replace it with a battery of equal or greater value for FREE!
SHIPPING:
We cover all shipping costs associated with shuttling your battery back and forth for repair or replacement. It is our warranty; it is our cost; not yours.
EXCLUSIONS:
There are NONE! You trusted Millertech®, and if it’s within the warranty period your Millertech® battery is completely covered for everything!
PROOF OF PURCHASE:
You don’t need one. If it’s Millertech®, it’s covered!
FOR WARRANTY SERVICE CALL: 855-MAX-LITH
EMAIL: warranty@millertechenergy.com
Recommended Chargers
The Millertech 48V 105Ah Golf Cart lithium battery is engineered for a max charge voltage of 57.6V charging profile.
1) Millertech 48V 12A On-Board Lithium Battery Charger (4812M)
What it is
The Millertech 48V 12A On-Board Lithium Battery Charger is a waterproof lithium battery charger designed to mount permanently in your boat for convenient charging of 48V lithium battery systems.
Features and Benefits
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12A output current for charging 48V lithium batteries.
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58V output voltage optimized for 48V lithium battery charging.
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110V AC input for standard shore-power outlets.
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IP65 waterproof rating designed for marine environments.
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Compact size: approximately 8″ × 5.5″ × 5″.
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Lightweight: about 4.8 lbs.
Why choose it
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Designed to mount permanently in boats for easy on-board charging.
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Waterproof marine construction built to handle harsh boating environments.
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Compact and lightweight design saves space on board.
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Backed by Millertech’s 3-year guaranteed marine charger warranty, including repair or replacement if it fails during the warranty period.
2) Millertech 48V 18A Electric Lithium Battery Charger (4818C)
The Millertech 48V 18A Electric Lithium Battery Charger (4818C) is a charger designed specifically for 48V lithium (LiFePO4) batteries, providing fast and efficient charging from a standard 110-volt outlet.
Features and Benefits
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18A output current for faster charging of 48V lithium batteries.
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58.4V output voltage optimized for 48V lithium battery charging.
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110V AC input compatible with standard electrical outlets.
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2-stage charging profile designed for efficient lithium charging.
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Automatic fuse protection built into the charger.
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Alligator clip connections for simple battery connection.
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LED charging indicators (red while charging, green when full).
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BMS wake-up capability that can restart a lithium battery if the battery management system shuts it off due to excessive load or short circuit.
Why choose it
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Fast charging capability helps reduce downtime between uses.
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Designed for 48V lithium iron phosphate battery systems.
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Simple plug-in charging from a standard outlet.
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Can restart a lithium battery BMS that has entered protection mode.
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Covered by Millertech’s one-year warranty against defects in workmanship or materials.
3) Millertech 48V 25A On-Board Lithium Battery Charger (4825M)
The Millertech 48V 25A On-Board Lithium Battery Charger is a waterproof lithium charger designed to mount permanently in your boat for convenient charging of 48V lithium battery systems.
Features and Benefits
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25A output current for faster charging of 48V lithium batteries.
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58V charging output designed for 48V lithium battery systems.
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110V AC input compatible with standard outlets.
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IP65 waterproof rating for marine environments.
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3-stage charging profile for efficient lithium charging.
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Compact size: approximately 11″ × 3″ × 7″.
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Lightweight: about 4.8 lbs.
Why choose it
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Designed to mount permanently in boats for easy on-board charging.
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High-output 25A charging reduces charging time for large 48V battery banks.
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Waterproof marine construction built for harsh boating environments.
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Ideal for large 48V systems, such as three 12V batteries connected in series.
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Backed by Millertech’s 3-year guaranteed warranty with repair or replacement if the charger fails.
What the pros are saying about Millertech batteries
