25.6V 30Ah LiFePO4 IP68 Waterproof Battery Pack
Marine batteries are constantly exposed to harsh environmental conditions, including wind, rain, sunlight, and high humidity, which can significantly degrade their performance. The complaints such as poor sealing, short lifespans, and low capacity ratio will harm your brand.
Our Custom 25.6V 30Ah IP68 Waterproof LiFePO4 Battery Pack is specifically engineered to completely solve these complaints. With superior waterproofing, corrosion resistance, and long-lasting durability, it delivers reliable power while minimizing maintenance needs—making it the ideal solution for marine applications.
Key features：
- Combination: 8S9P, made of 72pcs 3.2V 26650 3400mAh LiFePO4 explosion proof cells
- IP68 Rated for 2 Meters Submersion
- Waterproof aluminum alloy enclosure with waterproof seal gasket and waterproof connector
- Integrated with BMS for 20A discharge current with RS485 communication protocol
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 25.6V | 3.2V/Cell |
| 2 | Nominal Capacity | 30.6Ah | @0.2C |
| 3 | Minimum Capacity | 30.15Ah | / |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤90mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 6.12A | @0.2C |
| 7 | Standard Charge Current | 15A | |
| 8 | Max. Charge Current | 6.12A | @0.2C |
| 9 | Standard Discharge Current | 20A | |
| 10 | Max. Discharge Current | 30A | ≤1000ms |
| 11 | Burst Discharge Current | 17.6V | 2.2V/Cell |
| 12 | Discharge Cut-off Voltage | ≥1500cycles | Retention: ≥70% |
| 13 | Cycle Life | 0°C~+55°C | Standard Charge |
| 14 | Charge Temperature | -20°C ~+60°C | Standard Charge |
| 15 | Discharge Temperature | -30°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | 0°C~ +35°C | ≤3 Months |
| 0°C~ +25°C | ≤1 year | ||
| 17 | Weight | About 11 | kg |
| 18 | Special Request | IP68 | Underwater 2M for 2 hours |
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25.6V 30Ah LiFePO4 Battery Pack FAQs
What are the key features of this battery, and how does it compare to traditional lead-acid batteries?
This battery is designed as a drop-in replacement for Lead-Acid, SLA, GEL, and AGM batteries, offering a maintenance-free and user-friendly plug-and-play experience.
Can this LFP battery work under water for a long time?
Yes, but only temporarily. It can handle accidental drops into water (e.g., rain, splashes, or brief submersion up to 2 meters). Not designed for long-term underwater use (e.g., marine applications require additional housing).
Can I customize the casing or connectors?
Absolutely. We offer various housing options including aluminum alloy, plastic, and injection-molded enclosures, as well as different connectors such as waterproof cables, aviation plugs, and terminals based on your application needs.
Does this battery pack support other communication protocols (e.g. CAN bus, UART)?
Yes, the battery includes a high-quality Battery Management System (BMS) for overcharge, over-discharge, short circuit, and temperature protection. We also support optional RS-485, CAN, or Bluetooth communication for remote monitoring.
Are customized batteries certified for CE, UN38.3, UL, etc.?
We ensure all custom battery solutions comply with internationally recognized safety standards. Our certifications include UN 38.3, MSDS, CE, RoHS, and UL.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
