Advanced EV Advent HD CX

advancedev.com/advent-hd

The Advanced EV Advent HD CX is a golf cart with a stated top speed of 19 MPH, a load capacity of 400 lbs Max and a curb weight of 1290 lbs.

Last updated: 21 September 2026

What we found

A battery is documented for it: 51V 160Ah LiFePO4 Gen3, identified by the manufacturer as the correct match.
Batteries are documented for it: 51V 105Ah Skinny LiFePO4 Gen3, 51V 105Ah Thru-Hole LiFePO4 Gen3, from the manufacturer's own documentation.
Further batteries are listed on this model's battery page and are not included in the count above.
Specifications are published for it, each with its source.
5 figures are contradicted by another credible source. Both readings are shown below, and neither is presented as the correct one.

Motor and performance

Gear ratios: 16:1
Rear axle ratio: 12:31.1
Motor power rating: AC Motor 48V/5KW
Advanced HD Series | Advent HD · retrieved 15 September 2026
“Motor AC Motor 48V/5KW”
Source: advancedev.com/advent-hd
48V / 4KW
2023-advent-hd-cargo-box-03222023.pdf · retrieved 16 September 2026
“Controller Advanced EV Controller 350AMP Motor AC Motor 48V/4KW Charger Option 1: Pro Charge Onboard 48V/15A Option 2: Advanced Lithium 5125C Battery Option 1: Flooded US8VGCXC Lead Acid Option 2: AGM Sealed Lead Acid Option 3: AdvancedLi Lithium Battery Pack”
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf
Top speed: 19 MPH
Speed controller rating: AdvancedEV Controller 48V 450AMP
Advanced HD Series | Advent HD · retrieved 15 September 2026
“Controller AdvancedEV Controller 48V 450AMP”
Source: advancedev.com/advent-hd
350AMP
2023-advent-hd-cargo-box-03222023.pdf · retrieved 16 September 2026
“Controller Advanced EV Controller 350AMP Motor AC Motor 48V/4KW Charger Option 1: Pro Charge Onboard 48V/15A Option 2: Advanced Lithium 5125C Battery Option 1: Flooded US8VGCXC Lead Acid Option 2: AGM Sealed Lead Acid Option 3: AdvancedLi Lithium Battery Pack”
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf

Battery and charging

Battery fitted: ECO 51.2 Volt 105Ah Lithium Battery Pack - Upgrade ECO 51.2 Volt 160Ah Lithium Battery Pack
Advanced HD Series | Advent HD · retrieved 15 September 2026
“Battery ECO 51.2 Volt 105Ah Lithium Battery Pack - Upgrade ECO 51.2 Volt 160Ah Lithium Battery Pack”
Source: advancedev.com/advent-hd
Flooded US8VGCXC, AGM sealed lead acid, or AdvancedLi lithium
2023-advent-hd-cargo-box-03222023.pdf · retrieved 16 September 2026
“Controller Advanced EV Controller 350AMP Motor AC Motor 48V/4KW Charger Option 1: Pro Charge Onboard 48V/15A Option 2: Advanced Lithium 5125C Battery Option 1: Flooded US8VGCXC Lead Acid Option 2: AGM Sealed Lead Acid Option 3: AdvancedLi Lithium Battery Pack”
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf
Charger fitted: ECO 51.2 Volt 15Ah Lithium Onboard Charger
Advanced HD Series | Advent HD · retrieved 15 September 2026
“Charger ECO 51.2 Volt 15Ah Lithium Onboard Charger”
Source: advancedev.com/advent-hd
Pro Charge 48V/15A, or an Advanced Lithium 5125C
2023-advent-hd-cargo-box-03222023.pdf · retrieved 16 September 2026
“Controller Advanced EV Controller 350AMP Motor AC Motor 48V/4KW Charger Option 1: Pro Charge Onboard 48V/15A Option 2: Advanced Lithium 5125C Battery Option 1: Flooded US8VGCXC Lead Acid Option 2: AGM Sealed Lead Acid Option 3: AdvancedLi Lithium Battery Pack”
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf

Size and fit

Tyre size fitted: 215x50-12 Tire With Aluminum Alloy Wheels
Advanced HD Series | Advent HD · retrieved 15 September 2026
“TIRES 215x50-12 Tire With Aluminum Alloy Wheels”
Source: advancedev.com/advent-hd
205/65-10”
2023-advent-hd-cargo-box-03222023.pdf · retrieved 16 September 2026
“Stabilizing Bar Tires 205/65-10" Aluminum Alloy Wheel”
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf
Curb weight: 1290 lbs
Body panel material: Injection Molding — Black
Colours: Black Metallic Green White
Cargo box, inside: 30 × 42 × 8 in
Load capacity: 400 lbs Max
Overall dimensions: 9'L x 4'W x 6'H

Brakes and safety

Lighting package: Adjustable High/Low Beam LED Headlights, LED Daytime Running Lights, LED Tail Lights, Brake Lights, Single Arm Combination Turn Signal with Horn Switch
Safety equipment fitted: Retractable Seat Belts & Auto-Lock Electronic Motor Parking Brake With Safety Reverse Buzzer, With Way Emergency Flashers
Brakes: Four Wheel Hydraulic Disc Brake + Electromagnetic Motor Parking Brake

Frame and components

Steering: Double-Ended Rack And Pinion, Self-Adjusting, With Custom Steering Wheel
Front suspension: Double A-Frame Independent Front Suspension With Coil Spring over Hydraulic Shock Absorbers
Rear suspension: HD Coil Springs over Hydraulic Shock Absorbers + Rear Stabilizing Sway Bar, Split Case Transaxle

Buying and owning it

Dash display: Molded Instrument Panel, Locking Glove Box Doors, LCD Multi-Media Bluetooth With Touch Screen Monitor W/External Speakers, LED Speedometer, FNR Switch, Reverse Back Up Camera, Multiple Cup Holders, Double USB & Type C Ports, 12V Power Supply

Other findings

Carrying capacity: 400 lb, maximum

Battery specs & replacement options

Sources

Advanced HD Series | Advent HDArchived document
Source: advancedev.com/advent-hd
Retrieved September 15, 2026
Archived document
Source: advancedev.com/assets/advancedev/images/advent-hd/2023-advent-hd-cargo-box-03222023.pdf
Retrieved September 16, 2026