If your Polaris Ranger EV is bogging down on hills, dying before the workday is over, or eating your time with battery watering and corrosion, this Lithium Rhino 48V conversion kit replaces all eight factory lead-acid batteries with one lithium pack. It is built for Ranger EV owners who use their machine for property work, trail riding, hunting, hauling, and chores and want dependable power without the weight and upkeep of lead.

Removing the factory battery bank takes roughly 700 pounds of lead out of your Ranger. Because lithium holds steady voltage as it drains, the Ranger keeps consistent power and speed from a full charge down to nearly empty, instead of the gradual fade you get from tired lead-acid batteries.

This kit comes in two capacities so you can match it to how hard you run your Ranger:

• 120Ah (250A / 500A BMS): the value choice for light-to-moderate duty and single-rider daily use, with roughly 40 to 50 miles of range. A Self-Heated upgrade is available for below-freezing charging.
• 170Ah (300A / 800A BMS): the heavy-duty choice for towing, plowing, upgraded controllers, and maximum range, with an advertised range up to 74 miles. Self-heating is built in, and it adds CAN and RS485 communication ports and a round gauge that integrates with the Polaris EV factory dash.

Both are complete drop-in kits that include the battery, a 25-amp lithium smart charger, a 12V converter for standard accessories, mounting brackets and hardware, a color gauge, and Bluetooth monitoring through the free Lithium Rhino app. Both carry an 8-year warranty and a 6,000+ cycle rating.

Choosing Your Capacity

Both packs are 48V (51.2V) and install the same way. The difference is how much range and current they deliver, and a few features on the 170Ah. Here is how to choose.

If you are between the two, size up. Extra capacity gives more range, cooler operation under load, and longer cell life, and it is the more forgiving choice for a working Ranger. Contact us and we will help you match the pack to your use.

Features

• Replaces all eight factory batteries. One compact pack takes the place of the Ranger EV's eight lead-acid batteries, removing roughly 700 pounds of lead and freeing up payload for gear, tools, and passengers.
• Grade-A LiFePO4 prismatic cells. Rated for 6,000+ charge cycles, so for most owners this is a one-time upgrade rather than a battery you replace every few seasons.
• Flat lithium discharge curve. Voltage stays steady as the pack drains, so the Ranger does not lose power or speed late in the day the way lead-acid does.
• Smart Rhino BMS. The 120Ah runs a 250A continuous / 500A peak BMS; the 170Ah steps up to 300A continuous / 800A max for heavy loads and upgraded drivetrains. Both protect against over-charge, over-discharge, over-temperature, and short circuits.
• Self-heating options. The 170Ah includes inner self-heating for sub-freezing charging. The 120Ah offers a Self-Heated version as an upgrade.
• Communication and cabling (170Ah). The 170Ah adds dual CAN and RS485 communication ports and 2 AWG pure-copper cables for higher-current, integrated builds.
• 25-amp lithium smart charger included. Charges the pack with a matched smart charger and shuts off automatically when full.
• 12V converter included. Powers standard 12V accessories such as lights and dash. High-draw winches and snow plows need a heavier-duty 12V solution.
• Bluetooth app and color gauge. The free Lithium Rhino app (iOS and Android) and a dash gauge show live state of charge, per-cell voltage and temperature, fault alerts, and cycle history. The 170Ah round gauge integrates with the Polaris EV factory dash.
• 8-year warranty and US-based support. Full replacement for the first six years, then a $500 deductible for years seven and eight, plus lifetime customer support and install videos.

Polaris Ranger EV Fitment

This kit is a 48V (51.2V) lithium conversion for the electric Polaris Ranger EV, which leaves the factory with eight lead-acid batteries wired to a 48V system. A single Lithium Rhino pack replaces all eight. Always confirm your exact year and model before ordering.

The pack mounts in the factory battery area using the included universal brackets and hardware. Because Ranger EV battery bays vary by year, we recommend contacting us with your year and model so we can confirm fit and mounting before you order. If you are unsure whether you have the 48V EV or the Kinetic, count your batteries: this kit is for machines with eight 48V lead-acid batteries.

Suitable for

• Property and acreage maintenance
• Trail riding and hunting
• Hauling, towing, and plowing (170Ah recommended for heavy or sustained loads)
• Daily use on moderate to demanding terrain

Note on range

Range figures assume a stock Ranger EV with a single rider on moderate terrain. Loads, passengers, towing, hills, tire size, and driving style all reduce real-world range.

Specifications

Specifications by capacity. Choose your capacity in the product options above.

Certifications: UN38.3, MDSD (UN3480 shipping class). Values above are manufacturer figures.

What's Included

Every kit ships complete. There is nothing extra to buy to finish a standard install.

• 51.2V LiFePO4 battery pack (120Ah or 170Ah)
• 25-amp lithium smart charger with dual-mount bracket
• 12V DC converter (reducer) for accessory power
• Color round touchscreen gauge with secondary power button
• Charge port adapter plug, charging cable, and charge port plate
• Universal mounting brackets and hardware
• Heavy-gauge main cable set (170Ah uses 2 AWG pure-copper cables)
• Bracket drill bit
• Lead-acid battery removal strap
• Heavy-duty zip tie
• Safety glasses and gloves
• Built-in Bluetooth app module and install guide

The 170Ah also includes dual CAN and RS485 communication ports for integrated and upgraded-controller builds.

Installation & Charging

Installation

This is a do-it-yourself drop-in kit. Most owners complete the install in about 2 to 4 hours with basic hand tools. You remove all eight factory lead-acid batteries and mount the single lithium pack in the battery area with the included brackets and hardware.

• Disconnect and remove the eight factory lead-acid batteries using the included removal strap.
• Mount the lithium pack with the universal brackets and hardware.
• Connect the main cables and the 12V converter for standard 12V accessories.
• Install the charge port adapter and plate, and mount the gauge.
• Power on and confirm state of charge on the gauge or the Lithium Rhino app.

Because the motor and controller do not change, the stock contactor sees the same load and does not need upgrading for a single drop-in pack.

Charging your Ranger EV

Both kits charge with the included 25-amp lithium smart charger, which is matched to the pack and its BMS and shuts off automatically when full. A lead-acid charger is not designed for lithium and should not be used.

Many Ranger EVs have an onboard Delta Q (QuiQ) charger set up for lead-acid batteries. If you want to keep using the onboard charger, it typically needs to be set to a lithium profile first. Contact us with your charger model before ordering and we will confirm your best charging setup.

Warranty & Shipping

Warranty

Both kits carry an 8-year warranty on the cells, BMS, and built-in electronics: full replacement for the first six years, then a $500 deductible for years seven and eight, plus lifetime US-based customer support. Register your kit on install day to activate coverage.

Shipping

Each kit ships in a single hazmat-certified wooden crate for safe transit. Please keep the crate and packaging in case a warranty claim ever requires return shipping.

Returns

Returns are accepted per our store return policy. Contact our support team to start a return and we will walk you through the process.

Frequently Asked Questions