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Victron Lithium NG Battery, 12.8V - 300 Ah

Victron Lithium NG Battery, 12.8V - 300 Ah

BY: Victron Energy | SKU: BAT512130620 Availability: In Stock
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Victron Lithium NG Battery, 12.8V - 300 Ah

The Victron Lithium NG Battery 12.8V – 300Ah (BAT512130620) is part of Victron Energy’s Next Generation (NG) lithium series, designed for superior energy storage performance in off-grid, marine, and renewable energy applications. This next-gen series improves upon the Lithium Smart line, featuring advanced data readouts, integrated safety functions, and high-capacity scalability.

Built with Lithium Iron Phosphate (LiFePO₄) chemistry, this battery ensures exceptional safety, long cycle life, and dependable energy delivery even under demanding conditions. It’s ideal for users needing efficient and expandable storage solutions that integrate seamlessly with Victron GX devices, Lynx Smart BMS NG, and VictronConnect systems for complete visibility and control.

Experience intelligent energy storage with the next generation of Victron lithium technology — reliable, scalable, and built for modern off-grid power systems.

Victron Lithium NG Battery, 12.8V – 300Ah Features

Next Generation Design - Enhanced performance over the Lithium Smart series, offering improved monitoring, higher scalability, and robust IP65-rated protection for demanding energy systems.

Integrated Shunt for Accuracy - Delivers real-time data on voltage, current, and temperature directly to the BMS — enabling precise state-of-charge calculation and automated system management.

Automatic System Configuration - The Lynx Smart BMS NG 500A/1000A automatically identifies the number of batteries, voltage, and connection type (series or parallel), simplifying setup and reducing installation errors.

Smart Monitoring via VictronConnect & GX Devices - Compatible with VictronConnect App and GX devices for live monitoring through the VRM Portal, allowing visibility of battery parameters such as charge status, voltage, and temperature.

Rugged IP65 Construction - Designed for harsh environments, this battery is dust-tight and resistant to low-pressure water jets, making it ideal for marine and mobile use.

Low Self-Discharge Rate - Improved efficiency with ≤2% capacity loss per month, ensuring long standby readiness and minimal maintenance.

Bracket & Strap Mounting Options - Includes flexible mounting configurations for secure installation and stability against vibration or tipping.

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Victron Lithium NG Battery, 12.8V – 300Ah Applications

  • Off-Grid Solar Systems – Efficient storage for renewable energy independence.
  • Marine Power Systems – Dependable onboard power for vessels and yachts.
  • Mobile Power Solutions – Ideal for RVs, service trucks, and portable energy setups.
  • Industrial Energy Storage – High-performance backup power for sensitive equipment.
  • Hybrid & Backup Systems – Reliable battery bank for solar-plus-generator configurations.
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What's Included

Everything you need is included with your product.

  • 1 × Victron Lithium NG 12.8V 300Ah Battery (BAT512130620)
  • User Manual

Warranty

  • Victron Energy Standard Warranty: 5 Years

Victron Lithium NG Battery, 12.8V – 300Ah Specifications

Category Specifications
Model LFP12,8/300
Nominal Voltage 12,8 V
Nominal Capacity @ 25°C 300 Ah
Nominal Energy @ 25°C 3840 Wh
Capacity Loss (per 100 cycles, @ 25 °C, 100 % DoD): <1 %
Energy Loss (per 100 cycles, @ 25 °C, 100 % DoD): <1 %
Round Trip Efficiency 92%

Cycle Life (capacity ≥ 80 % of nominal)

Category Specifications
80 % DoD 2500 cycles
70 % DoD 3000 cycles
50 % DoD 5000 cycles

Discharge

Category Specifications
Max continuous discharge current (C-rate) 300 A (1C)
Max pulse discharge current 10s (C-rate) 600 A (2C)
End of discharge voltage 11,2 V
Internal resistance 1 mΩ

Charge

Category Specifications
Charge voltage Between 14 V / 28 V / 56 V and 14,4 V / 28,8 V / 56,8 V
Float voltage / 28 V / 56 V and 14,4 V / 28,8 V / 56,8 V Float voltage 13,5 V / 27 V 54 V
Max continuous charge current (C-rate) 300 A (1C)
Max pulse charge current 10s (C-rate) 450 A (1.5C)

General

Category Specifications
BMS-es Lynx Smart BMS NG 500 A / 1000 A (M10 busbars), must be purchased separately
Cell measurements Cell voltages and temperatures, battery current
Battery BMS interface Male + female cable with M8 circular connector with high -speed digital communication , length 50 cm M8 extension cables are available separately for purchase in various lengths between 1 and 5 meters
Alarm feature Pre-alarm contact on BMS
Bluetooth In the BMS
Max batteries per BMS 50 (up to 384 kWh per BMS 3))
Battery firmware updates Battery firmware automatically updated by BMS
Repairable Yes (cover can be removed with screws)

Operating Conditions

Category Specifications
Operating temperature Discharge: -20 °C to +50 °C | Charge: +5 °C to +50 °C
Storage temperature -45 °C to +70 °C
Humidity (non -condensing) Max. 95 %
Protection class IP65

Mounting

Category Specifications
Mounting options Strap or mounting brackets (brackets included)
Can be placed on their sides Yes2)

Other

Category Specifications
Self-discharge rate ≤ 3 % per month @ 25 °C
Power connection M8 (threaded inserts and bolts)
Dimensions (h x w x d) mm 206 x 447 x 205
Weight (est.) 29 kg

Standards

Category Specifications
Safety Cells: UL1973 UL9540A IEC62619 (all three pending)
Battery: IEC 62619 (pending)
EMC EN 61000-6-3, EN 61000-6-2
Automotive ECE R10-6
Performance IEC 62620

Frequently-Asked Questions

Do I need a BMS for this battery?

Yes. A Lynx Smart BMS NG 500A/1000A or compatible Victron BMS is required for operation, communication, and system protection.

Is the battery compatible with VictronConnect?

Yes. You can monitor performance through the VictronConnect App, GX device, or VRM Portal, viewing real-time voltage, temperature, and charge data.

What makes the Lithium NG line different from the Smart Series?

The NG line introduces integrated shunt data, VE.Can communication, and IP65 protection, offering improved reliability and control.

Can it be used in outdoor or marine applications?

Absolutely. The IP65 protection ensures durability against dust, vibration, and light water exposure, making it perfect for outdoor or marine environments.