Introducing the Big Beard Battery 48-Volt 300-Amp-Hour Goliath! Delivering a massive 14,640 watts of power from a single battery, the Goliath is built for serious energy storage applications that demand dependable, high-capacity performance.
Whether you're powering an off-grid home, RV, marine system, or backup power setup, the Big Beard Battery Goliath provides the muscle you need with a robust 200-amp continuous charge and discharge rating and an impressive 350-amp surge capability for up to 20 seconds. Designed to work seamlessly with modern energy systems, the Goliath features advanced battery management and intelligent protection systems to keep your investment safe and performing at its best.
The internal BMS includes high and low voltage protection, cold charging protection, short circuit protection, active cell balancing, and an on/off storage mode for long-term maintenance. For cold-weather performance, the battery is equipped with self-heating technology that activates at 34°F, helping ensure reliable charging and operation when temperatures drop.
When it comes to powering your 48-volt system, look no further than the Big Beard Battery Goliath. With 14.64kWh of usable energy, advanced protection features, and industry-leading performance, this battery is engineered to deliver reliable power whenever and wherever you need it.
"The Goliath" 48-Volt 300AH 14,640 Watt Lithium Battery, Bluetooth/Heated
Key Features:
- ACTIVE BALANCING EXCELLENCE
Experience uninterrupted power with our advanced active balancing technology. Unlike most batteries that require weeks on a charger to balance, Big Beard Battery maintains cell balance within a 1/10v tolerance, even during active use. This feature not only enhances performance but also extends the lifespan of the battery, giving you long-lasting reliability.
- TEMPERATURE PROTECTION
Conquer extreme conditions with confidence. The Big Beard Battery incorporates high and low-temperature protection, ensuring reliable operation in a variety of environments. From scorching summers to freezing winters, your battery stays protected.
- HIGH AMPICITY FOR CONTINUOUS POWER
Power your ambitions with an impressive 200A continuous charge and discharge capability. The Big Beard Battery is engineered to deliver sustained high currents, making it ideal for demanding applications where reliability is non-negotiable.
- MASSIVE ENERGY STORAGE CAPACITY
With a capacious 300Ah rating, the Big Beard Battery provides an extensive reservoir of energy for your needs. Whether you're off-grid, in an RV, or require substantial backup power, this battery ensures you have ample stored energy at your disposal.
- INTERNAL BMS FOR SEAMLESS CONTROL
Embrace convenience and control with the Internal BMS seamlessly integrated into the Big Beard Battery. Enjoy hassle-free monitoring, precise control over balancing, and the peace of mind that comes with an advanced battery management system working tirelessly behind the scenes.
- STOW-AWAY SWITCH
We understand the importance of efficient storage and winterization. That's why every Big Beard Battery comes equipped with a convenient on/off switch. When it's time to stow your batteries for the off-season, simply turn off the internal Battery Management System (BMS) to preserve power until your next adventure begins.
- DURABILITY REDEFINED
The Big Beard Battery is built to endure. With robust construction and quality craftsmanship, this battery withstands the rigors of diverse applications, promising durability, and reliability over the long haul.
- SAFETY AT THE CORE
Prioritize safety with the comprehensive safety features embedded in the Big Beard Battery's BMS. From overcharging protection to over-discharge safeguards, rest easy knowing your battery and your investments are secure.
- VERSATILITY UNLEASHED
Whether you're exploring the great outdoors, powering an electric vehicle, or ensuring uninterrupted energy in critical applications, the Big Beard Battery is your versatile energy partner.
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Specs:
Performance Profile: Charge/Discharge 200 amps max continuous, Absorption Voltage 57.2 to 57.6 volts, Float Voltage: 57 to 57.2 volts, Absorption time: 4 hours, Self-heating at 34 degrees F
Dimensions/specs: 300 Amp Hour capacity, ~48 volts battery, 33.5” L x 16.25” W x 10” H, 4000 cycles, Weight: 269 lbs, Indoor use only, Not rated for outdoor use, Internal BMS 200 Amps continuous, 350-amp surge for 20 sec., High/low volt protection, Cold charging protections, Short Circuit Protection, ACTIVE AND PASSIVE BALANCING. On/Off Storage Mode.

