Last updated: 3 November 2026
Battery and charging
- Run time at each discharge rate
178 min at 75 A, 250 min at 56 A, 535 min at 25 A
usb_spec_325.pdf · retrieved 21 September 2026
“US 250HCXC2 280 239 178 250 535 11 5/8 (295) 7 1/8 (181) 11 5/8 (295)”
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
635 minutes at 25 A -- disagrees with the spec-sheet PDF's 535
US 250HC XC220 Hour Rate: 280 - U.S. Battery Mfg. Co. · retrieved 24 September 2026
“Data 20 Hour Rate: 280 Minutes of Discharge @ 75 Amps: 178 Minutes of Discharge @ 25 Amps: 635”
Source: usbattery.com/us-250hc-xc2
- Capacity at the 5-hour rate
- 239 Ah at the five-hour rate, against 280 at twenty
- Capacity at the 20-hour rate
- 280 Ah at the 20-hour rate, against 239 at five hours
The maker’s own documents give different figures
“US 250HCXC2 280 239 178 250 535 11 5/8 (295) 7 1/8 (181) 11 5/8 (295)”
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
“US 250HCXC2 280 239 178 250 535 11 5/8 (295) 7 1/8 (181) 11 5/8 (295)”
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
Size and fit
- Overall dimensions
11 5/8 (295) 7 1/8 (181) 11 5/8 (295)
usb_spec_325.pdf · retrieved 21 September 2026
“US 250HCXC2 280 239 178 250 535 11 5/8 (295) 7 1/8 (181) 11 5/8 (295)”
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
11 5/8” (295mm) Width: 7 1/8” (181mm) Height: 11 5/8” (295mm)
US 250HC XC220 Hour Rate: 280 - U.S. Battery Mfg. Co. · retrieved 24 September 2026
Row from the maker’s page: “Length” | “11 5/8” (295mm) Width: 7 1/8” (181mm) Height: 11 5/8” (295mm)”
Source: usbattery.com/us-250hc-xc2
- Terminal type
- Standard: Off-set "s" Optional: Dual Large "L" Small "L" SAE Optional: UTL ...
The maker’s own documents give different figures
“Terminal Options: Standard: Off-set "s" Optional: Dual Large "L" Small "L" SAE Optional: UTL Not Recommended UT”
Source: usbattery.com/us-250hc-xc2
Identity
- Where it sits in the maker's own range
- Higher 20-hour capacity of the 2 in this family (255 and 280 Ah)
“US 250XC2 255 217 US 250HCXC2 280 239”
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
Sources
- U.S. Battery — US 250HC XC2Manufacturer battery page
U.S. Battery Mfg. Co.
Source: usbattery.com/us-250hc-xc2
Retrieved September 24, 2026
- U.S. Battery — usb spec 325Manufacturer document
U.S. Battery
Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf
Retrieved September 21, 2026