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U.S. Battery US AGM8V170

The U.S. Battery US AGM8V170 is a battery pack with a nominal voltage of 8 V (the section this model is printed under) and AGM (sealed) cells.

Last updated: 8 October 2026

Battery and charging

Voltage
8 V (the section this model is printed under)

“8 VOLT AGM DEEP CYCLE”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

Chemistry
AGM (sealed)

“AGM SEALED DEEP CYCLE BATTERIES”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

Capacity, at the 20-hour rate

The maker’s own documents give different figures

180 Ah at the 20-hour rate

U.S. Battery — Specification Guide · retrieved 11 September 2026

“US AGM8V170 180 149 DUAL 120 381”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

170 Ah at the 20-hour rate

usb_spec_10_20.pdf · retrieved 8 October 2026

“US AGM 8V170 170 152 --- 108 375”

Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

Capacity, at the 5-hour rate

The maker’s own documents give different figures

149 Ah at the 5-hour rate

U.S. Battery — Specification Guide · retrieved 11 September 2026

“US AGM8V170 180 149 DUAL 120 381”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

152 Ah at the 5-hour rate

usb_spec_10_20.pdf · retrieved 8 October 2026

“US AGM 8V170 170 152 --- 108 375”

Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

Reserve capacity

The maker’s own documents give different figures

381 minutes at 25 A

U.S. Battery — Specification Guide · retrieved 11 September 2026

“US AGM8V170 180 149 DUAL 120 381”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

375 minutes at 25 A

usb_spec_10_20.pdf · retrieved 8 October 2026

“US AGM 8V170 170 152 --- 108 375”

Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

Minutes at 56 A

The maker’s own documents give different figures

120 minutes at 56 A

U.S. Battery — Specification Guide · retrieved 11 September 2026

“US AGM8V170 180 149 DUAL 120 381”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

108 minutes at 56 A

usb_spec_10_20.pdf · retrieved 8 October 2026

“US AGM 8V170 170 152 --- 108 375”

Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

Size and fit

Overall dimensions

The maker’s own documents give different figures

Length 10.2 in (260 mm), width 7.17 in (182 mm), height 11.3 in (286 mm)

U.S. Battery — Specification Guide · retrieved 11 September 2026

“10.2 (260) 7.17 (182) 11.3 (286)”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

Length 10.24 in (260 mm), width 7.09 in (180 mm), height 10.79 in (274 mm)

usb_spec_10_20.pdf · retrieved 8 October 2026

“10.24 (260) 7.09 (180) 10.79 (274)”

Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

Terminals
Terminals: DUAL

“US AGM8V170 180 149 DUAL 120 381”

Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

Sources

  • U.S. Battery — Specification GuideManufacturer document

    U.S. Battery

    Source: usbattery.com/wp-content/uploads/2025/10/usb_spec_325.pdf

    Retrieved September 11, 2026

  • Archived document

    Source: usbattery.com/wp-content/uploads/2022/11/usb_spec_10_20.pdf

    Retrieved October 8, 2026