Built-in reset button makes restarting a flat battery a breeze
Built-in cell heater
Battery tray and strap included
Where to use it
The Enerdrive B-TEC 12V 125Ah LiFePO4 Battery is ideal for off-grid and high-demand power setups where reliability and capacity are key. It’s commonly used in caravans, campervans, 4WDs, and marine applications, providing long-lasting power for appliances like fridges, inverters, lighting, and communication devices. With its large capacity and smart Bluetooth monitoring, it’s perfect for travellers, campers, and boat owners who need dependable energy storage for extended adventures or off-grid living.
Dimensions
Length
519 mm
Width
273 mm
Height
222 mm
Weight
37.7 kg
What can the B-TEC app monitor?
Battery voltage, current & SOC
Temperature & cycle history
Individual cell voltages
System alarms and alerts
Event tracking & diagnostics
Warranty
5-year warranty
Applications
4WD
RV's
Caravans
Off-Grid Systems
Tiny Houses
Cabins
About Enerdrive
Enerdrive Pty Ltd has been providing independent power systems to the Australian market since 1996. Starting as Advance Trident Limited in 2003 and predominantly servicing the marine industry, ATL saw the huge growth potential in the mobile and recreational vehicle market soon after, and in 2008 ATL Limited morphed into Enerdrive. In recent times, Enerdrive has embarked on its own manufacturing program. They saw the need to control their own destiny and produce high-end products that the Australian marketplace was demanding. This program has led to Enerdrive manufacturing its own range of ePOWER AC Battery Chargers & DC2DC Battery Chargers along with Lithium battery systems.
Cycle Life (DOD – 80% under controlled conditions)
≥ 2500 Cycles
Battery Charge Temperature
0 ̴ 45°C
Normal Charge Voltage CV/CC
43.2 ̴ 43.8 V
Standby (Float) Voltage
40.5 ̴ 41.4 V
Maximum Charge Current
50A @ 25°C for 30mins
Recommended Charge Current for Maximum Life
≤ 33 A
Battery Discharge Temperature
-20 ̴ 60°C
Battery Output Voltage Range
33.0 ̴ 43.8 V
Maximum Discharge Current
100 A @ 25°C ± 5°C for 30mins
Pulse Discharge Current
450 A for 1.0s
Discharge Cut-off Voltage
≤ 33.6 V
Circuit Protection
The battery is supplied with a LiFePO4 Battery Management System BMS that can monitor and optimise each single prismatic cell during charge & discharge, to protect the battery pack from overcharge, over discharge & short circuit. Overall, the BMS helps to ensure safe and accurate operation of the battery.
Over-charge Protection Per Cell
3.90 V ± 0.03 V
Over-charge Release Per Cell
3.60 V ± 0.05 V
Over-charge Release Method
Discharge below release voltage
Over-discharge Protection Per Cell
2.80 V ± 0.05 V
Over-discharge Release Per Cell
3.20 V ± 0.05 V
Over-discharge Release Method
Apply Charge/Voltage ≥ 38.4 V
Discharge Over Current
110 A for 30s – 450 A for 3s
Protection Reset Time
5s Auto Release
Over Current Release Method
Disconnect Load
Battery Discharge Over Temperature
Protection to 65°C ± 5°C Release at 50°C ± 5°C
Battery Charge Over Temperature
Protection to 55°C ± 5°C Release at 45°C ± 5°C
Short Circuit Protection
Auto release after 5s
Dimensions (l x d x h)
519 x 273 x 222 mm
Weight
37.7 kg
Case Construction
Hi Impact ABS Plastic
Temperature & Humidity Range
≤ 30 days -20°C ̴ 60°C, 5 ̴ 75% RH ≥ 30 days -10°C ̴ 45°C, 5 ̴ 75% RH