Eternal Lithium
Eternal Lithium 36V 100Ah B2C Package – 2 × 36V 50Ah Batteries + Waterproof Charger
$2,299.00
Eternal Lithium 36V 100Ah B2C Package – 2 × 36V 50Ah Batteries + Waterproof Charger
$2,299.00
Get it between October 26 and October 28.
Low in stock
✓ Used by Hundreds of Customers
✓ Trusted by Sailors Nationwide
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At MarineXGear, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.
If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.
Refer to our Refunds & Return Policy for more details.
Order Processing
Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.
Please allow 1-3 days for processing your order.
Shipping
We ship to the lower 48 continental United States only at this time.
Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@marinexgear.com.
We will send tracking information by email the same day the shipping tracking number is created/available.
Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and MarineXGear. Once you accept your shipment as non-damage, your item is your property.
Eternal Lithium 36V 100Ah B2C Package – 2 × 36V 50Ah Batteries + Waterproof Charger
Power your time on the water with the Eternal Lithium 36V 100Ah B2C Package. This complete battery package includes two 36V 50Ah lithium batteries and a 36V 10A waterproof charger, providing a combined 100Ah capacity when configured for the intended 36V system.
Designed for new Vexus bass boats and many older Ranger bass boats with limited battery compartment space, this package offers a flexible alternative to fitting a single larger battery. The two-battery setup can be configured in parallel or used with a suitable switching arrangement, depending on your boat's electrical system.
Key Features
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100Ah Combined Capacity: Two 50Ah batteries provide a total of 100Ah in a compatible parallel configuration.
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36V Battery System: Designed for compatible 36V marine electrical systems.
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Waterproof Charger Included: Comes with a 36V 10A waterproof charger.
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Flexible Installation: Two separate Group 31-size batteries may help accommodate space limitations in certain Vexus and Ranger bass boats.
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LiFePO4 Battery Technology: Uses UL-certified 32700 cylindrical lithium iron phosphate cells.
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Integrated Battery Protection: Battery management system (BMS) protection against overvoltage, undervoltage, overcurrent, temperature-related issues, and short circuits.
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IP67 Protection Rating: Batteries are listed with an IP67 water and dust resistance rating.
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Durable ABS Housing: Each battery features an ABS shell.
Package Includes
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2 × Eternal Lithium 36V 50Ah batteries
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1 × 36V 10A waterproof charger
36V 50Ah Battery Specifications
| Specification | Details |
|---|---|
| Rated Voltage | 38.4V |
| Rated Capacity | 50Ah per battery |
| Combined Capacity | 100Ah |
| Maximum Charge Voltage | 43.8V |
| General Cut-Off Voltage | 30V |
| Listed Charge Current | 40A |
| Continuous Discharge Current | 80A |
| Maximum Discharge Current | 160A |
| Battery Size | Group 31 |
| Weight | 36 lbs. per battery |
| Cell Type | UL-certified 32700 cylindrical LiFePO4 cells |
| Cell Configuration | 12S14P |
| Housing | ABS shell |
| Water and Dust Resistance | IP67 |
Battery Management System (BMS)
Each battery includes protection features designed to help safeguard the battery during operation:
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Overvoltage protection
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Undervoltage protection
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Overcurrent protection
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Temperature protection
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Short-circuit protection
Standard Charging Specifications
| Specification | Details |
|---|---|
| Charge Voltage | 43.8V |
| Charge Mode | CC-CV |
| Listed Charge Current Range | 5A–80A |
| Recommended Charge Current | Below 40A |
| Maximum Charge Current | 80A |
| High-Temperature Charge Protection | 60°C |
| High-Temperature Recovery | 50°C |
| Low-Temperature Charge Protection | 0°C |
| Low-Temperature Recovery | 5°C |
Standard Discharge Specifications
| Specification | Details |
|---|---|
| Continuous Discharge Current | 80A |
| Maximum Peak Current | 160A for 5 seconds |
| Listed Discharge Cut-Off Voltage | 40V |
| High-Temperature Protection | 65°C |
| High-Temperature Recovery | 55°C |
| Low-Temperature Protection | -20°C |
| Low-Temperature Recovery | -10°C |
Operating Environment
| Condition | Temperature Range |
|---|---|
| Charging | 0°C to 45°C (32°F to 113°F) |
| Discharging | -20°C to 65°C (-4°F to 149°F) |
| Storage | 5°C to 45°C (41°F to 113°F) |
| Listed Relative Humidity | 60% ± 25% |
Is the Eternal Lithium 36V 100Ah B2C Package Right for Your Boat?
This package is designed for boat owners who need a 36V battery system with 100Ah of combined capacity but may have limited space for a single large battery. Its two-battery format can provide more flexibility when planning a marine battery installation.
Before purchasing, verify battery compartment dimensions, electrical compatibility, charger requirements, and the appropriate wiring configuration for your boat.
Why Choose MarineXGear
At MarineXGear, we believe true peace of mind on the water starts with having the right equipment. Our mission is simple: to be the trusted destination for premium marine gear and dependable on-water solutions. Every product we carry — whether navigation systems, safety equipment, marine electronics, or boat accessories — is carefully chosen to help you perform at your best, stay safe, and get the most out of every voyage.
A+ Customer-First Approach
We're more than an online store — we're your partner on the water. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you're outfitting a vessel for the first time, upgrading your gear, or need expert advice on a specific product, our specialists are always just a call or email away.
Passion for Wellness & Resilience
Our brand is built on a genuine love for the sea. We live and breathe marine equipment — and when you reach out to MarineXGear, you'll connect with experts who understand both the technical specs of our products and the on-water lifestyle they support.
Trusted Experts, Curated Brands
We partner directly with the most respected names in the marine industry. Our curated selection ensures every product meets our high standards for quality, durability, and performance on the water. With MarineXGear, you shop with confidence, knowing you're investing in proven gear backed by full manufacturer warranties.
More Reasons to Choose MarineXGear
- Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
- Free Shipping – Enjoy free delivery on most orders across the lower 48 U.S. states.
- 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
- Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
- Authorized Dealer – Every order is protected with full manufacturer support and warranties.
At MarineXGear, we're committed to keeping you safe, equipped, and confident on the water. With our expertise, personalized service, and carefully curated selection, you can invest in your vessel and your adventures with complete peace of mind.
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