Rolls Battery R12-100AGM
The Rolls Battery R12-100AGM is a battery pack with M8 and a reserve capacity of 170 Minutes.
Last updated: 27 October 2026
Battery and charging
- Charging voltage range
- 14.7V @ 25°C (77°F)
- Voltage
- Voltage: 12 V
- Case material
- ABS
- Battery type
- Battery type: AGM-R
- Recommended charging
- 20 A
- Capacity, at the 20-hour rate
- 20 HR RATE: 100
- Reserve capacity
- 170 Minutes
- Maximum charge current, as the maker labels it
- 30 A
- Minutes at 75 A
- 40 Minutes
- Cold cranking amps
- 600
- Float voltage
- 13.8V @ 25°C (77°F)
- How fast it loses charge sitting idle
- Less than 2% per month at 25°C (77°F)
Row from the maker’s page: “Charge Voltage Range” | “14.7V @ 25°C (77°F)”
Source: rollsbattery.com/battery/r12-100agm
“R12-100AGM 12 V 100 M8 incl. TP08 12.05” | 306mm 6.65” | 169mm 9.33” | 237mm 59.5lbs | 27kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
Row from the maker’s page: “Container” | “ABS”
Source: rollsbattery.com/battery/r12-100agm
“maintenance-free 12-volt AGM-R”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
Row from the maker’s page: “Recommended Charge Current” | “20 A”
Source: rollsbattery.com/battery/r12-100agm
“R12-100AGM 12 V 100 M8 incl. TP08 12.05” | 306mm 6.65” | 169mm 9.33” | 237mm 59.5lbs | 27kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
Row from the maker’s page: “Reserve Capacity (RC @ 25A)” | “170 Minutes”
Source: rollsbattery.com/battery/r12-100agm
Row from the maker’s page: “Maximum Charge Current” | “30 A”
Source: rollsbattery.com/battery/r12-100agm
Row from the maker’s page: “Reserve Capacity (RC @ 75A)” | “40 Minutes”
Source: rollsbattery.com/battery/r12-100agm
Row from the maker’s page: “Cold Crank Amps (CCA) 0°F / -18°C” | “600”
Source: rollsbattery.com/battery/r12-100agm
Row from the maker’s page: “Float Voltage Range” | “13.8V @ 25°C (77°F)”
Source: rollsbattery.com/battery/r12-100agm
Row from the maker’s page: “Self-Discharge Rate” | “Less than 2% per month at 25°C (77°F)”
Source: rollsbattery.com/battery/r12-100agm
Size and fit
- Overall dimensions
- 12.05” x 6.65” x 9.33” (306 x 169 x 237mm)
- Terminals
Terminal type: M8 incl. TP08
Rolls-Battery-Renewable-Energy.pdf · retrieved 8 October 2026
“R12-100AGM 12 V 100 M8 incl. TP08 12.05” | 306mm 6.65” | 169mm 9.33” | 237mm 59.5lbs | 27kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
F12(M8) and TP08 Adapter [+21mm]
R12-100AGM | Rolls Battery · retrieved 15 October 2026
Row from the maker’s page: “Terminal Type” | “F12(M8) and TP08 Adapter [+21mm]”
Source: rollsbattery.com/battery/r12-100agm
- Stated weight
- Weight: 59.5lbs | 27kg
- Terminal thread
- M8
“R12-100AGM 12 V 100 M8 incl. TP08 12.05” | 306mm 6.65” | 169mm 9.33” | 237mm 59.5lbs | 27kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
The maker’s own documents give different figures
“R12-100AGM 12 V 100 M8 incl. TP08 12.05” | 306mm 6.65” | 169mm 9.33” | 237mm 59.5lbs | 27kg”
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
Row from the maker’s page: “Size & Thread” | “M8”
Source: rollsbattery.com/battery/r12-100agm
Sources
- Archived document
Source: rollsbattery.com/wp-content/uploads/2019/11/Rolls-Battery-Renewable-Energy.pdf
Retrieved October 8, 2026
- R12-100AGM | Rolls BatteryArchived document
Source: rollsbattery.com/battery/r12-100agm
Retrieved October 16, 2026