Cub Cadet Ultima ZTX Battery
The Ultima ZTX and ZTXS changed batteries more than once from 2020 to 2026: a full-size 12-volt Group U1, then the compact part 725P17335, then a Group U1 again. Pick your model and year in the filters below.
Lithium Batteries For The Ultima ZTX
Not sure which battery is in your Ultima ZTX? See our Cub Cadet Ultima ZTX battery size table below.
6 of 6 Products
StarterIonic
Ionic Lithium S4 12V Cub Cadet XT1, XT2 & Ultima Battery 500CA (Bluetooth)
12V·500CA·3.3 lb
Fits 2022+Bluetooth
Rated 5.0 out of 5,1 review 1 review
$109
$149Save $40
StarterGroup U1Ionic
Ionic Lithium Group U1 12V Lawn Mower Battery 720CA (S8, Bluetooth)
12V·720CA·4.4 lb
Bluetooth
$189
$199Save $10
StarterGroup U1Ionic
Ionic Lithium Group U1 12V Lawn Mower Battery 1220CA (S8, Bluetooth)
12V·1220CA·9 lb
Bluetooth
$319
$349Save $30
StarterGroup U1Ionic
Ionic Lithium S8 12V Cub Cadet XT1, XT2 & Ultima Battery 720CA (Bluetooth)
12V·720CA·4.4 lb
Fits 2015-2021Bluetooth
$189
$199Save $10
StarterYTZ10Antigravity
Antigravity ATZ-10 12V Cub Cadet XT1, XT2 & Ultima Battery 360CA (w/ Re-Start)
12V·360CA·2.6 lb
Fits 2022+RE-START
$225
$300Save $75
StarterYTZ10Antigravity
Antigravity ATZ-10-HD 12V Cub Cadet XT1, XT2 & Ultima Battery 525CA (w/ Re-Start)
12V·525CA·3.2 lb
Fits 2022+RE-START
$280
$370Save $90
Every Ultima ZTX, And The Battery It Takes
Ultima ZTX (lap bars)
Ultima ZTX4
Years2020 to 2021
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTX4
Years2022
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTX4
Years2023 to 2024
Original batteryCompactpart 725P17335
Ultima ZTX4
Years2025
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTX4
Years2026
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTX5
Years2020 to 2021
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTX5
Years2022
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTX5
Years2023 to 2024
Original batteryCompactpart 725P17335
Ultima ZTX5
Years2025
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTX5
Years2026
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTX6
Years2020 to 2021
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTX6
Years2022
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTX6
Years2023 to 2025
Original batteryCompactpart 725P17335
Ultima ZTX6
Years2026
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTXS (steering wheel)
Ultima ZTXS4
Years2023 to 2024
Original batteryCompactpart 725P17335
Ultima ZTXS4
Years2025
Original batteryOne of two batteriespart 725P17335 or 925-1707D
Lithium that fitsIf yours has the small battery:Ionic S4 500CAAntigravity ATZ-10Antigravity ATZ-10-HDIf yours has the full-size battery:Ionic S8 720CAIonic S8 1220CA
Ultima ZTXS4
Years2026
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTXS5
Years2023 to 2025
Original batteryCompactpart 725P17335
Ultima ZTXS5
Years2026
Original batteryGroup U1 sizepart 925-1707D
Ultima ZTXS6
Years2023 to 2025
Original batteryCompactpart 725P17335
Ultima ZTXS6
Years2026
Original batteryGroup U1 sizepart 925-1707D
What The Ultima ZTX Needs
The Ultima ZTX4, ZTX5 and ZTX6 of 2020 and 2021 came with part 925-1707D: a Group U1 size battery, about 7.7 x 5.2 x 7.2 inches.
The ZTX and the ZTXS of 2023 and 2024 came with part 725P17335: a compact 12-volt AGM battery rated at 210 cold cranking amps and about 11Ah, about 5.9 x 3.4 x 4.3 inches. The ZTX6, ZTXS5 and ZTXS6 kept it for 2025.
For 2026 the ZTX and the ZTXS went back to the full-size Group U1, part 925-1707D.
Two years were built with either battery: the 2022 ZTX4, ZTX5 and ZTX6, and the 2025 ZTX4, ZTX5 and ZTXS4. For one of those, look at the battery in your mower before you order.
Cub Cadet Ultima ZTX Battery FAQ
What battery does the Cub Cadet Ultima ZTX take?+-
The year decides. A 2020 or 2021 ZTX takes a Group U1 size battery, about 7.7 x 5.2 x 7.2 inches (part 925-1707D). A 2023 or 2024 ZTX or ZTXS takes the compact battery, about 5.9 x 3.4 x 4.3 inches (part 725P17335). A 2026 takes the Group U1 size again. The table above has each model’s years.
Which battery does a 2022 or a 2025 Ultima ZTX take?+-
The 2022 ZTX4, ZTX5 and ZTX6, and the 2025 ZTX4, ZTX5 and ZTXS4, were built with either battery. Look at the one in your mower: a label that reads 925-1707D is the Group U1 size, about 7.7 x 5.2 x 7.2 inches; 725P17335 is the compact one, about 5.9 x 3.4 x 4.3 inches. The 2025 ZTX6, ZTXS5 and ZTXS6 take the compact battery.
Does the steering wheel on a ZTXS change the battery?+-
No. The year decides it, and the table above has each ZTXS.
How do I check before I order?+-
Read the part number on the old battery’s label, or measure it. 925-1707D is the Group U1 size, about 7.7 x 5.2 x 7.2 inches. 725P17335 is the compact battery, about 5.9 x 3.4 x 4.3 inches.
Don’t see the Cub Cadet Battery or brand you’re looking for? No problem! We’re here to help. Give us a call at 1-888-274-7544 or email info@lithiumbatteryz.com.