The Goliath 48V 300Ah Lithium Battery
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Pickup available at Road Life Complex
Usually ready in 1–2 business days
Delivery and Shipping
Delivery and Shipping
All Big Beard Battery orders qualify for free standard shipping within the contiguous United States and Washington, DC—even when purchasing just one battery. Components purchased on the same order also ship free.
Our 24V and 48V batteries ship by LTL freight.
The Goliath 48V 300Ah Lithium Battery
Description
Description
The Goliath is a high-capacity 48V 300Ah lithium battery engineered for RV, off-grid, marine, and backup-power applications. It delivers 14.64kWh of stored energy with active balancing, integrated protection, self-heating, Bluetooth capability, and an on/off storage mode.
Key features
- 14.64kWh energy capacity: Provides substantial storage from a single battery.
- Active and passive balancing: Helps maintain consistent cell performance during operation.
- Self-heating: Activates at 34°F to support cold-weather charging and operation.
- Integrated BMS: Includes high- and low-voltage protection, cold-charging protection, short-circuit protection, and storage mode.
- High-current performance: Supports 200A continuous charge and discharge with a 350A surge capability for 20 seconds.
Specifications
- Nominal voltage: approximately 48V
- Capacity: 300Ah
- Energy storage: 14.64kWh
- Continuous charge and discharge: 200A
- Surge capability: 350A for 20 seconds
- Absorption voltage: 57.2–57.6V
- Float voltage: 55.2V
- Absorption time: 4 hours
- Cycle rating: 4,000 cycles
- Dimensions: 33.5 in. L × 16.25 in. W × 10 in. H
- Weight: 259 lb.
- Installation: Indoor use only; not rated for outdoor use
Shipping: Free shipping.
Specifications
Specifications
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Battery Chemistry
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Cell Type
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Nominal Voltage (V)
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Capacity (Ah)
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Energy (Wh)
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Applications
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Cycle Life
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Cycle-Life Depth of Discharge (%)
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Design Life (Years)
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Warranty Summary
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Installation Environment
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Length
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Width
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Height
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Weight
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Case Material
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Terminal Type
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BMS Type
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Protection Features
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Maximum Continuous Discharge Current (A)
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Peak Discharge Current (A)
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Peak-Current Duration (Seconds)
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Maximum Continuous Charge Current (A)
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Discharge Temperature Range
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Charge Temperature Range
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Self-Heating Activation Temperature (°F)
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Self-Heating Shutoff Temperature (°F)
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Storage Temperature Range
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Storage-Mode SwitchYes
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Round-Trip Efficiency (%)
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Self-Discharge Rate (% per month)
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Operating Voltage Minimum (V)
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Operating Voltage Maximum (V)
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Discharge Cutoff Voltage (V)
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Charge Cutoff Voltage (V)
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Absorption Time (Hours)
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Absorption Voltage Minimum (V)
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Absorption Voltage Maximum (V)
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Float Voltage Minimum (V)
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Float Voltage Maximum (V)
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Balancing Methods
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Balancing Activation Voltage Per Cell (V)
Payment & Security
Payment methods
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