Dakota Lithium Ultra Fast 36V 20A Waterproof LiFePO₄ Onboard Battery Charger
The Dakota Lithium Ultra Fast 36V 20A Onboard Charger is built for high-speed performance and ultimate durability. Engineered specifically for 36V LiFePO₄ battery systems, this charger provides rapid charging in under 5 hours for most battery packs, making it ideal for marine, electric vehicle, and off-grid setups. Housed in a waterproof, impact-resistant aluminum case, this unit ensures reliable performance in the harshest environments, while smart battery management system (BMS) wake-up functionality makes it easy to use with deep-discharged batteries.
Dakota Lithium Ultra Fast 36V 20A Waterproof LiFePO₄ Onboard Battery Charger Features
Rapid 20A Charging Power
Provides up to 20 amps of output to quickly recharge large 36V batteries, such as 60Ah and 110Ah packs, in 3.5 to 5 hours.
Waterproof Aluminum Housing (IP67 Rated)
Sealed, rust-resistant aluminum casing protects the charger from water, dirt, and corrosion—ideal for marine and outdoor installs.
BMS Wake-Up Functionality
Automatically wakes battery systems whose BMS have shut off due to over-discharge or protection states.
Smart Charging Profile
Includes intelligent three-stage charging (bulk, absorption, float) optimized for long-lasting battery health.
Plug-and-Play Anderson Connector
Pre-wired with an Anderson plug and ring terminal adapter for safe, fast installation and quick connection.
Passive Thermal Cooling
No fans or moving parts—durable aluminum body naturally dissipates heat during high output operation.
Dakota Lithium Ultra Fast 36V 20A Waterproof LiFePO₄ Onboard Battery Charger Applications
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Fast recharging for 36V trolling motor battery banks on fishing boats
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Power recovery for electric carts, bikes, or utility vehicles
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Onboard charging for RVs and mobile off-grid power systems
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Marine battery maintenance in wet dockside environments
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Emergency or solar-charged systems with large battery arrays
What’s Included?
Dakota Lithium Ultra Fast 36V 20A Waterproof LiFePO₄ Onboard Battery Charger Specifications
| Category |
Details |
| Recommended Battery Type |
36V Dakota Lithium (LiFePO₄) batteries |
| Charger Output Rating |
43V, 20A |
| Input Compatibility Note |
Must use a LiFePO₄-compatible charger; lead acid chargers reduce performance and lifespan |
| Recommended Batteries |
Ideal for 36V 60Ah and 36V 110Ah DL batteries |
| Charging Speed |
Charges at 20A; e.g., 36V 110Ah battery charges in approx. 5.5 hours |
| Rapid Charging Note |
Safe to charge at 1C (1 hour), but 0.3C recommended for longest lifespan |
| Charging Time Formula |
Battery Ah ÷ 20 = Charge time in hours |
| Recommended Charge Voltage |
43V (optimal for 36V LiFePO₄ batteries) |
| Smart BMS Wake Function |
Automatically restarts batteries shut down by BMS due to overdraw or short circuit |
| Connection Type |
Anderson plug with included ring terminals |
| Connection Instructions |
Red to red terminal, black to black, then connect Anderson plug to charge |
| Charging Indicator Lights |
Red = Charging; Green = Fully Charged |
| Waterproof Rating |
IP67 (fully waterproof, not submersible) |
| Dimensions (L × W × H) |
13.86 × 5.71 × 2.83 in (352 × 145 × 72 mm) |
| Usage Recommendation |
Charging time of 3–10 hours offers best balance of speed and battery longevity |
Frequently-Asked Questions
How fast does this charger recharge my 36V battery?
It can recharge a 60Ah battery in about 3.5 hours and a 110Ah battery in under 5 hours under normal conditions.
Is this charger compatible with lead-acid batteries?
No, this charger is specifically engineered for 36V LiFePO₄ batteries and should not be used with other chemistries.
Can this charger wake a battery that has been over-discharged?
Yes, it includes a BMS wake-up feature that reactivates batteries whose BMS has shut off for safety reasons.
Can it be installed on a boat or wet location?
Absolutely. It has an IP67 waterproof rating and is suitable for marine, dockside, or outdoor installation.
