Enerdrive B-TEC 12V 300Ah Slimline Lithium Battery

Need serious lithium power but tight on space? The Enerdrive EPL-300BTM-12V Slimline delivers a massive 300Ah capacity in a sleek, wall-mountable form. Engineered for compact installs and harsh Aussie conditions, it’s perfect for caravans, 4WD canopies, marine setups, and off-grid builds. With Bluetooth monitoring and a remote-reset feature, this battery is smart, powerful, and built to perform where space and reliability matter most.

Enerdrive 12V 300Ah Lithium Battery: Smart Power in a Slimline Shell

The Enerdrive EPL-300BTM-12V is part of Enerdrive’s premium B-TEC Slimline lithium battery range. It combines intelligent power management, high capacity, and ultra-compact design into one robust unit. Measuring just 176.5mm deep, it’s designed for internal installations where every millimetre matters. From outback adventures to marine builds, this battery makes no compromises on performance, durability, or flexibility.

Enerdrive Lithium Battery EPL-300BTM-12V: Monitor Every Detail

Stay in control of your system with wireless Bluetooth monitoring via the Enerdrive app (iOS & Android). View real-time diagnostics including:

• Battery Capacity, Voltage & Current (Amps)
• State of Charge (SOC) & State of Health (SOH)
• Battery Temperature, Cycles, and Status
• Individual Cell Voltage Readouts
• Alarm & Event Logs

The built-in Battery Management System (BMS) continuously optimises each prismatic cell and protects the battery against overcharge, over-discharge, overheating, and short circuits. The reset button port allows you to mount a restart switch remotely, making flat battery recovery fast and easy.

Enerdrive B-TEC EPL-300BTM-12V vs AGM: Lighter, Smarter, More Usable Power

Compared to AGM, the Enerdrive B-TEC Slimline delivers:

• 300Ah Lithium = 480Ah AGM Equivalent
• Over 2500 cycles at 80% Depth of Discharge
• 60% more usable energy
• Approximately 50% lighter and 30% smaller footprint

The water-resistant IP52 metal enclosure includes overlapping frame design, blind external bolts, and rubber seals for superior protection against environmental ingress—ideal for internal caravan, 4WD, and marine installations.

Designed for Internal Use & Expandable for Bigger Builds

This Slimline battery is rated to support up to 3000W inverter loads and can be paralleled with up to 3 additional 300Ah Slimline units (4 max) for larger capacity systems. All connection points—including comms and reset ports—are neatly located at one end for simplified installation.

Important: This battery is designed for internal use only. Do not install in engine bays, wet compartments (e.g. ute trays), or gas storage areas.

What’s Included & Trusted Nationwide

Each purchase includes:

• 1 x Enerdrive EPL-300BTM-12V 300Ah Slimline Lithium Battery

With a 5-year warranty, proven BMS protection, and Enerdrive’s unmatched reputation in Australian lithium systems, this battery is a go-to for installers, tourers, and professionals across the country.

Nominal Voltage: 12.8V

Nominal Capacity: 300Ah

Charge Cycles (DOD – 80%): >2500 Cycles

Battery Charge Temperature: 0 ~ 45°C

Normal Charge Voltage (CV/CC): 14.20 ~ 14.60V

Standby (Float) Voltage: 13.50 ~ 13.80V

Maximum Charge Current: 150A @ 25°C for 30 minutes

Recommended Charge Current: 60A – 120A

Battery Discharge Temperature: -20 ~ 60°C

Battery Output Voltage Range: 11.00 ~ 14.60V

Maximum Discharge Current: 250A @ 25°C ±5°C for 30 minutes

Pulse Discharge Current: 450A for 1.0s

Discharge Cut-off Voltage: <11.20V

Circuit Protection: Supplied with a LiFePO4 Battery Management System (BMS) that monitors and optimizes each prismatic cell during charge and discharge. Protects against overcharge, over discharge, and short circuit for safe and accurate battery operation.

Over-Charge Protection Per Cell: 3.75V ± 0.03V

Over-Charge Release Per Cell: 3.60V ± 0.05V

Over-Charge Release Method: Discharge below release voltage

Over-Discharge Protection Per Cell: 2.80V ± 0.05V

Over-Discharge Release Per Cell: 3.20V ± 0.05V

Over-Discharge Release Method: Apply Charge / Voltage >12.8V

Discharge Over Current: 280A for 25s / 400A for 3.5s

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

Length: 630mm

Depth: 176.5mm

Height: 498mm

Weight: Approx. 48 kg

Case Construction: Powder Coated Zinc Plate

Storage (≤30 days): -20°C ~ 60°C, 5 ~ 75% RH

Storage (>30 days): -10°C ~ 45°C, 5 ~ 75% RH

Warranty: 5 Years