Trojan Battery Company T-1275 Plus 12V Flooded Lead Acid
SKU T-1275 Plus
Trojan Battery Companytrojanbattery.com/products/t-1275-plus-12v-flooded-battery
The Trojan Battery Company T-1275 Plus 12V Flooded Lead Acid is a battery pack with a nominal voltage of 12, Deep-Cycle Flooded/Wet Lead-Acid cells and dimensions of 329x181x272mm.
Last updated: 1 November 2026
Battery and charging
- Energy (kilowatt-hours)
- 1.99 kWh
- Capacity, at four discharge rates
- 120 Ah at 5 hours, rising to 166 Ah at 100 -- identical to plain T-1275
- Minutes it runs at a 25 A draw
- 280
- Chemistry
- Deep-Cycle Flooded/Wet Lead-Acid
- Case material
- Polypropylene
- Capacity at the 5-hour rate
- 120
- Capacity at the 20-hour rate
- 150
- Nominal voltage
- 12
“CAPACITY B AMP-HOURS (Ah) ENERGY (kWh) @ 25 Amps @ 56 Amps @ 75 Amps 5-Hr 10-Hr 20-Hr 100-Hr 280 102 70 120 134 150 166 1.99”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“Capacity Amp-Hours 5-Hr Rate / 120 Ah 10-Hr Rate / 134 Ah 20-Hr Rate / 150 Ah 100-Hr Rate / 166 Ah”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“Capacity Minutes @25 Amps / 280”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“BATTERY Deep-Cycle Flooded/Wet Lead-Acid Battery COLOR Maroon”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“MODEL T-1275 Plus with Flip Top VOLTAGE 12 MATERIAL Polypropylene”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“CAPACITY A MINUTES CAPACITY B AMP-HOURS (Ah) @ 25 Amps @ 56 Amps @ 75 Amps 5-Hr 10-Hr 20-Hr 100-Hr 280 102 70 120 134 150 166 1.99”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“Capacity Amp-Hours 5-Hr Rate / 120 Ah”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“CAPACITY A MINUTES CAPACITY B AMP-HOURS (Ah) @ 25 Amps @ 56 Amps @ 75 Amps 5-Hr 10-Hr 20-Hr 100-Hr 280 102 70 120 134 150 166 1.99”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“MODEL T-1275 Plus with Flip Top VOLTAGE 12 MATERIAL Polypropylene”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
Battery care and safety
- Operating temperature range
- Sources disagree
-4°F to 113°F (-20°C to +45°C), plus a below-freezing state-of-charge minimum
“Operating Temperature -4°F to 113°F (-20°C to +45°C). At temperatures below 32°F (0°C), maintain a state of charge greater than 60%.”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
-20°C to +45°C
“OPERATING TEMPERATURE -4°F to 113°F (-20°C to +45°C)”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
-4°F to 113°F (-20°C to +45°C)
“Operating Temperature -4°F to 113°F (-20°C to +45°C)”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
Size and fit
- Overall dimensions
- 329x181x272mm
- Length
- 329 mm
- Width
- 181 mm
- Height
- 272 mm
- Stated weight
- 85 (39) lb -- same as plain T-1275 despite the shorter case
- Terminal type
- Sources disagree
One option only: Embedded Low Profile (ELPT) -- T-1275 offers ELPT or EHPT
“Embedded Low Profile Terminal (ELPT) configuration”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
Embedded Low Profile Terminal ELPT
“Embedded Low Profile Terminal ELPT”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“Dimensions inches (mm) Length / 12.96 (329) Width / 7.13 (181) Height / 10.71 (272)”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“DIMENSIONS C INCHES (mm) LENGTH WIDTH HEIGHT F GC12 T-1275 PLUS 12 6 1 12.96 (329) 7.13 (181) 10.72 (272)”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“DIMENSIONS C INCHES (mm) LENGTH WIDTH HEIGHT F GC12 T-1275 PLUS 12 6 1 12.96 (329) 7.13 (181) 10.72 (272)”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“DIMENSIONS C INCHES (mm) LENGTH WIDTH HEIGHT F GC12 T-1275 PLUS 12 6 1 12.96 (329) 7.13 (181) 10.72 (272)”
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
“Weight lbs. (kg) 85 (39) Operating Temperature”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
Other findings
- Design compliance statement
- Designed to comply with BCI, DIN, BS and IEC standards -- not a certificate
- Watering system
- No single-point watering system -- T-1275 has HydroLink
“Designed in compliance with applicable BCI, DIN, BS and IEC standards.”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
“No watering system available”
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
Sources
- Trojan Battery Company — T-1275 Plus 12V Flooded BatteryManufacturer battery page
Trojan Battery Company
Source: trojanbattery.com/products/t-1275-plus-12v-flooded-battery
Retrieved September 24, 2026
- Archived document
Source: assets.ctfassets.net/nh2mdhlonj7m/3lj3No6WqwKxzdR2rKpEpS/5c7acd7b9a4b3ddb974151a0ca99849b/T1275Plus_Trojan_Data_Sheets.pdf
Retrieved September 24, 2026