BigBattery 36V RAPTOR 2 Lithium Battery – 3.84kWh LiFePO₄ Power
Take your power to the next level with the all-new BigBattery 36V RAPTOR 2, delivering 3.84kWh of high-performance lithium energy in a rugged, compact, and intelligently engineered package. Designed specifically for golf carts, utility vehicles, industrial equipment, and warehouse machines, the RAPTOR 2 is the next evolution in reliable, long-lasting 36V lithium battery solutions.
Built with Tier 1 Lithium Iron Phosphate (LiFePO₄) cells—the safest and most stable battery chemistry available—the RAPTOR 2 offers unmatched safety, exceptional cycle life, and efficient, high-output performance. Encased in a vibration-resistant, IP65-rated enclosure, this battery is ready to endure tough terrain, jobsite conditions, and outdoor exposure without compromise.
Equipped with a state-of-the-art Battery Management System (BMS) and automatic cell balancing, the RAPTOR 2 ensures optimal battery health and protection against over/under-voltage, overcurrent, and thermal conditions. And thanks to its integrated LED State of Charge (SOC) indicator and RS485 communication protocols, you’ll always have real-time insights into your system’s performance.
Key Features:
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Battery Capacity: 3.84kWh
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Voltage: 36V nominal
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Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Protection Rating: IP65-rated enclosure – water-resistant & vibration-safe
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BMS: Advanced system with auto cell balancing & thermal protections
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Communication: RS485 protocol + LED SOC Indicator
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Cycle Life: 4,000+ cycles at 80% depth of discharge
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Output: High-discharge capability for demanding applications
Ideal For:
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Golf Carts & Utility Carts
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Lead-Acid Battery Replacements
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Forklifts & Warehouse Equipment
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Pallet Jacks & Scissor Lifts
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Industrial & Commercial Use
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Emergency Backup Power Systems
Benefits
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Long-lasting lithium performance in a compact form
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Lightweight alternative to bulky lead-acid setups
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Enhanced safety with Tier 1 LFP cells and BMS
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Real-time monitoring with SOC display and RS485
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Plug-and-play installation with included cables and hardware
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Rugged design built for work and play
What’s Included:
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1 × 2AWG 4ft Red & Black Terminal Cable
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1 × Red & Black Terminal Rubber Cover
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4 × M8 Mounting Screws
Specifications
Product Specifications
| SKU: |
FRPTR-36038-G2 |
| GTIN-12 (U.P.C.): |
850061252364 |
| System Voltage: |
36V |
| Nominal Voltage: |
38.4V |
| Chemistry: |
LiFePO4 |
| kWh Capacity: |
3.84kWh |
| Ah Capacity: |
100Ah |
| Charging Voltage Range: |
41 – 43.8V |
| Max Charge Voltage: |
44V |
| Operating Voltage Range: |
36 – 43.8V |
| Suggested Low Voltage Cutoff: |
36 – 38.1V |
| BMS Cutoff Range: |
31.5 – 35.25V |
| Cell Configuration: |
12S |
| Max Continuous Discharge Current: |
150A |
| Max Continuous Power: |
3840W |
| Max Discharge Peak Current: |
300A (Max 5 seconds) |
| Max Charge Current: |
100A |
| Charge Temperature Range: |
32°F – 113°F (0°C – 45°C) |
| Discharge Temperature Range: |
-4°F – 131°F (-20°C – 55°C) |
| Optimal Discharge Temperature Range: |
59°F – 95°F (15°C – 35°C) |
| Storage Temperature Range: |
23°F – 95°F (-5°C – 35°C) (Max 3 months, SoC >50%) |
| Weight: |
79.3 lb (36 kg) |
| Depth: |
15.3 in (387 mm) |
| Width: |
21.1 in (536 mm) |
| Height: |
7.4 in (188 mm) |
| Protection Rating: |
IP65 / NEMA 4X |
| Communications: |
RS485 |
| Spec Sheet: |
Spec Sheet |
| User Manual: |
User Manual |
Why Buy From Us
Why Buy From Ecogrid Supply?
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Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
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Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.
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30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.
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Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.
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Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
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USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.
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Secure Payments: Shop confidently with our encrypted, secure checkout to protect your personal and payment information.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.
Buying Guide
