The Beast 24V 300Ah Lithium Battery
Available to order: This item is temporarily out of stock. Shipping may be delayed while we await additional inventory.
Additional shipping time: Your selected quantity, including any already in your cart, exceeds our current stock. Some items may ship later while we await additional inventory.
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.
Description
Description
The Beast is a 24V 300Ah lithium battery built for RV, off-grid, and other demanding power systems. It provides 7,680Wh of energy storage with Bluetooth monitoring, active balancing, Victron system communication, an integrated disconnect, and cold-weather protection.
Key features
- 300Ah capacity: Delivers 7,680Wh of stored energy.
- Active cell balancing: Maintains cell voltage within a 0.1V tolerance during use.
- Bluetooth monitoring: Provides convenient access to battery information.
- Victron integration: Connects to a Victron Cerbo system through ESS for battery status and system monitoring.
- Integrated 300A disconnect: Reduces additional hardware and saves installation space.
- Flexible rackmount design: Can be positioned horizontally or vertically.
- Storage mode: An on/off function helps preserve power during off-season storage.
- Integrated protection: Includes high- and low-temperature protection, cold-charging protection, overcharge and over-discharge safeguards, and short-circuit protection.
Specifications
- Nominal voltage: approximately 24V
- Capacity: 300Ah
- Energy storage: 7,680Wh
- Continuous charge and discharge: 200A
- Surge capability: 350A for 20 seconds
- Cycle rating: 4,000 cycles
- Dimensions: 19 in. L × 16.5 in. W × 10.5 in. H
- Weight: 132 lb.
- Installation: Indoor use only
Shipping: LTL pallet shipping or local pickup. Liftgate service is included at delivery.
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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.







