IP68 Waterproof Battery Pack

IP68 Rating Waterproof Battery Pack

With over a decade of deep-water battery experience, CMB provides ultra-rugged, high-performance IP68 lithium-ion batteries for the most demanding underwater and harsh environment applications. Our military-grade sealing technology provides unparalleled waterproof protection, well exceeding the typical IP67 limits.

CMB’s IP68 Battery Pack Solution provides：

✔ True Deep-Water Protection: Fully waterproof for continuous use down to 100 meters (not just 1m for 30 minutes like IP67).

✔ Lasts Longer Underwater: Reliable waterproof performance for up to 5 hours.

✔ Sealed Against Dust & Debris: Blocks out dirt, sand, mud, and harsh chemicals (IP6X rated).

✔ Handles the Pressure: Reinforced housing designed for deep-sea and high-pressure environments.

✔ Rugged, Military-Grade Toughness: Shockproof, corrosion-resistant, and built to withstand vibration.

✔ Tested & Certified Safe : Meets UN38.3, IEC62133, CE, and RoHS safety standards.

✔ Trusted by the military, marine research, and industrial deep-water applications.

✔ Custom-Built for Your Needs: Tailored for your voltage, capacity, BMS, and connectors.

Customized IP68 Water Resistance Rating Battery Pack Case Study

25.6V 30Ah Waterproof IP68 LiFePO4 Battery Pack

25.6V 30Ah Waterproof IP68 LiFePO4 Battery Pack Combination:8S9P,made of 72pcs 3.2V 26650 3400mAh LiFePO4 explosion proof cells

Waterproof IP68 2 Meters

Waterproof aluminum alloy enclosure with waterproof seal gasket and waterproof connector

Integrated with BMS for 20A discharge current with RS-485 communication protocol

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51.2V 24Ah IP68 Waterproof Lithium ion Battery Pack

51.2V 24Ah IP68 Waterproof Lithium ion Battery Pack Combination :16S6P,made of 96pcs 26650 3.2V 4Ah LFP cells

Waterproof IP68 2 meters for 3 hours

Integrated smart BMS with RS-485 communication

Bluetooth and pre-discharge function

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36V 73Ah Lithium Pouch High discharge IP68 Battery Pack

36V 73Ah Lithium Pouch High discharge IP68 Waterproof Battery Pack Combination :10S1P ,made of 10pcs high discharge rate P73 Pouch cells

Waterproof IP68 underwater 100M

Waterproof 7075 aluminum alloy enclosure

Integrated with BMS for 100A discharge rate

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12.8V 50Ah LiFePO4 IP68 Waterproof Battery Pack

12.8V 50Ah LiFePO4 IP68 Waterproof Battery Pack Waterproof IP68 below 1 Meter for 6 hours

Combination :4S1P,made of 4pcs 3.2V 50Ah LiFePO4 cells

Waterproof aluminum alloy enclosure

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12.8V 100Ah Waterproof IP68 Li ion Battery Pack

12.8V 100Ah Waterproof IP68 Li ion Battery Pack Waterproof IP68 underwater 5M for 3 hours

Combination :4S1P,made of 4pcs 3.2V 100Ah LiFePO4 cells

Waterproof aluminum alloy enclosure and waterproof connector

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How is IP68 different from IP67?

Feature	IP67	IP68 (CMB Standard)
Depth	1m, 30 minutes	1.5–100m, customizable
Duration	Short-term	Hours to days (pressure-sealed)
Applications	Shallow water	Deep-sea, military, ROVs

What Happens During a Lithium and Water Reaction?

When lithium metal comes into contact with water, it reacts violently, producing hydrogen gas and releasing significant heat, potentially causing fire or explosion. Click on this article to learn more.

What certifications do your IP68 batteries have?

UN38.3 (Transport Safety)

IEC 62133 (Safety Standards)

CE/RoHS (EU Compliance)

Custom certifications available.

What battery chemistries do you support?

We offer custom Lithium-Ion (Li-ion), Lithium Iron Phosphate (LiFePO4), and Lithium Polymer (LiPo) battery packs with IP68 protection.

Can I customize the voltage, capacity, and size?

Yes! We provide fully customizable solutions.

What’s the warranty period for your waterproof battery packs?

Our waterproof lithium-ion battery packs come with a standard 12-month warranty. This covers any manufacturing defects or performance issues under normal usage conditions.