Expion360 EX-EX2-12240-BCH (12V 240Ah EX2 Edge)

SKU EX-EX2-12240-BCH

The Expion360 EX-EX2-12240-BCH (12V 240Ah EX2 Edge) is a battery pack with a nominal voltage of 12.8 Vdc, a rated capacity of 240 Ah, 3072 Wh of energy, Cylindrical (LiFePO4) cells, an ingress rating of IP40, as the product page prints it and a weight of 67 lb (30.4 kg).

Last updated: 10 October 2026

Battery and charging

Cells: Cylindrical (LiFePO4)
Energy: 3072 Wh
Voltage: 12.8 Vdc
Rated capacity: 240 Ah
Rated charge cycles: >3500 cycles at 1C, 100% DoD, as the datasheet prints it
Recommended continuous discharge: 120 A, the maker's recommended / optimum figure
Recommended charging: 60 A, the recommended charge current
Maximum discharge current, as the maker labels it: 200 A, the row the datasheet labels Max. Discharge Current
Pulse discharge current: 250 A (3s)/300 A (1s)
Maximum charge current, as the maker labels it: 150 A (3s)/180 A (1s), the row the datasheet labels Maximum Charge Current
Recommended voltage disconnect: 12 Vdc
BMS charge cut-off voltage: 14.6 Vdc
Charge method: CC-CV
Resistance: ≤5 mΩ
Efficiency: >99%
Charging voltage: 14.6 Vdc
Float voltage: 13.6 Vdc
Voltage it cuts off at: 10 Vdc
How fast it loses charge sitting idle: <5 % per month

Battery care and safety

Ingress protection: IP40, as the product page prints it
Temperatures it may be charged in: 32°F to 130°F (0°C to 55°C)
Temperatures it may be run in: -4°F to 140°F (-20°C to 60°C)
Temperatures it may be stored in: 32°F to 77°F (0°C to 25°C)
Housing flammability rating: UL-94 V-0
How to store it: One discharge-recharge cycle every 6 months.

Size and fit

Weight: 67 lb (30.4 kg)
Overall dimensions: 4.2 in x 17.5 in x 21.9 in; the metric size is on the row beneath
Case material: ABS
Terminal rating: Insulated Terminal 200 A
Group the maker sells it as: Custom EX2, as the maker's page prints it (not checked against BCI's table)

Compatibility

What the manufacturer says it fits: large RVs, overlanders

Buying and owning it

How it is classified for shipping: UN3480, Class 9, UN38.3
What it is said to be best for: RV, overland, van-build, marine and off-grid use; not a named-vehicle fitment

Certification claims

UL certification held by the cells: UL 1642 For Cells, File no. MH64383
Certification claimed by the manufacturer: Certified compliant to UL 1973 by TEi Listing Services, File no. 22D01

Sources

Archived document
Source: cdn.shopify.com/s/files/1/0469/5742/8899/files/EX-EX2-12240-BCH_03142024.pdf?v=1719505996
Retrieved October 8, 2026
12V 240Ah EX2 Edge SmartTalk & VHC – Expion360Archived document
Source: web.archive.org/web/20250219193425/https://expion360.com/products/12v-240ah-ex2-edge-smarttalk-vhc
Retrieved October 8, 2026
Archived document
Source: expion360.com/blogs/blog/which-battery-powers-your-adventure
Retrieved October 10, 2026