Skip to content

Expion360 EX-G27-120XDP

The Expion360 EX-G27-120XDP is a battery pack with a nominal voltage of 12.8 Vdc, a nominal capacity of 120 Ah, 1536 Wh of energy, LiFePO4 cells, a continuous discharge of 100 A and a peak of 150 A (1 s).

Last updated: 26 October 2026

Battery and charging

Energy
1536 Wh

“Battery Rated Energy (@ 0.2C, 77 °F) 768 Wh 1024 Wh 1216 Wh 1280 Wh 1536 Wh”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Voltage
12.8 Vdc

“12.8 Vdc/120 Ah) PERFORMANCE: Long”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

“12.8 Vdc Battery Rated Capacity”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Capacity
120 Ah

“Battery Rated Capacity (@ 0.2C, 77 °F) 60 Ah 80 Ah 95 Ah 100 Ah 120 Ah”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Chemistry
LiFePO4

“engineered with advanced LiFePO4 chemistry to optimize power and performance in these demanding environments”

Source: expion360.com/products/12v-120ah-lifepo4-lithium-battery-group-27-expion360

Rated charge cycles
>3500 cycles at 1C, 100 % DoD

“>3500 cycles at 1C, 100 % DoD”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Battery water resistance
IP66

“IP66 Cell Self-Discharge <2 % per”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Nominal capacity
120 Ah

“120 Ah) PERFORMANCE: Long Cycle”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Maximum continuous discharge
100 A

“100 A Charge Method CC-CV Max.”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Peak discharge
150 A (1 s)

“150 A (1 s) Recommended Float Voltage”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Stated energy
1536 Wh

“1536 Wh Weight 30 lb (14.0 kg)”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

“1536 Wh Battery Internal Impedance”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Charging voltage
Sources disagree
  • 14.6 Vdc

    “14.6 Vdc Pulse Discharge Current”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

  • 14.2 Vdc to 14.6 Vdc

    “14.2 Vdc to 14.6 Vdc, although”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Battery care and safety

Where its BMS cuts off
Sources disagree
  • 14.6 Vdc

    “14.6 Vdc Pulse Discharge Current”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

  • 14.6 Vdc ± 0.1 Vdc

    “14.6 Vdc ± 0.1 Vdc, the BMS will”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Temperatures to charge the battery in
Sources disagree
  • 32 °F to 140 °F (0 °C to 60 °C)

    “32 °F to 140 °F (0 °C to 60 °C)”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

  • 32 °F ± 9 °F to 140 °F ± 9 °F (0°C ± 5 °C to 60 °C ± 5 °C)

    “32 °F ± 9 °F to 140 °F ± 9 °F (0°C ± 5 °C to 60 °C ± 5 °C)”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

Size and fit

Overall dimensions
11.93 in X 6.81 in X 8.82 in

“Dimensions: 11.93 in x 6.81 in x 8.82 in”

Source: expion360.com/pages/12-v-lithium-battery

Terminals
Sources disagree
  • Oversized brass terminals for strong connection

    “Oversized brass terminals for strong connection”

    Source: expion360.com/products/12v-120ah-lifepo4-lithium-battery-group-27-expion360

  • M 8 x 1.25

    “M 8 x 1.25 Efficiency >99 % Battery”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Stated weight
Sources disagree
  • 30.8 lbs (14.0 kg)

    “Weight: 30.8 lbs (14.0 kg)”

    Source: expion360.com/pages/12-v-lithium-battery

  • 30 lb (14.0 kg)

    “30 lb (14.0 kg) Resistance <5 mΩ”

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Group the maker sells it as
Group 27

“BCI Battery Group Size: Group 27”

Source: expion360.com/products/12v-120ah-lifepo4-lithium-battery-group-27-expion360

Certification claims

Certification claimed by the manufacturer

UN3480, Class 9, UN38.3

“UN3480, Class 9, UN38.3 Charge”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Certified compliant to UL 1973 by TEi Listing Services, File no. 22D01

“Certified compliant to UL 1973 by TEi Listing Services, File no. 22D01”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Certified compliant to UL 1973 with grade A UL Recognized cells

“Certified compliant to UL 1973 with grade A UL Recognized cells”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

UL 1642 For Cells, File no. MH64383

“UL 1642 For Cells, File no. MH64383”

Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

Sources

  • Archived document

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-G27-120XDP_V.04_02132024.pdf?v=1707933708

    Retrieved October 8, 2026

  • Archived document

    Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/Expion360_Manual_G24_G27_V2.0.pdf?v=1667338479

    Retrieved October 25, 2026

  • 12V 120Ah LiFePO4 Lithium Battery – Group 27 – Expion360Archived document

    Source: expion360.com/products/12v-120ah-lifepo4-lithium-battery-group-27-expion360

    Retrieved October 21, 2026

  • Archived document

    Source: expion360.com/pages/12-v-lithium-battery

    Retrieved October 25, 2026