84V 5A Lithium Battery Charger for 72V Battery Systems
84V 5A Lithium Battery Charger for 72V / 74V Battery Systems
The WATE 84V 5A Lithium Battery Charger is designed for charging 72V, 74V, and 20S lithium-ion battery packs. Built with intelligent charging technology and multiple safety protections, this charger delivers reliable performance for e-bikes, scooters, electric motorcycles, mobility devices, and custom battery systems.
Features
• 84V 5A output
• 480W charging power
• Compatible with 72V, 74V, and 20S lithium-ion battery packs
• Dual-color LED charging indicator
• High-efficiency design (>85%)
• Forced-air cooling system
• Durable aluminum housing
• Worldwide AC input compatibility
Safety Protection
• Short-circuit protection
• Over-current protection
• Over-voltage protection
• Reverse polarity protection
• Over-temperature protection
Charging Indicator
• Red LED = Charging
• Green LED = Fully Charged / Standby
Technical Specifications
Input Voltage:
110V–260V AC
47–63Hz
Output Voltage:
84V DC
Output Current:
5A
Output Power:
480W
Efficiency:
Greater than 85%
Cooling:
Forced air cooling
Operating Temperature:
-5°C to 40°C
Storage Temperature:
-40°C to 70°C
Humidity:
5%–95% RH
Maximum Operating Altitude:
10,000 meters
Applications
• Electric bikes
• Electric scooters
• Electric motorcycles
• Mobility devices
• Custom lithium battery packs
• Industrial electric vehicles
Important Compatibility Information
This charger is intended for 72V and 74V lithium-ion battery systems that require an 84V charging voltage. Always verify your battery voltage, chemistry, and connector type before ordering.
Package Includes
• 84V 5A Lithium Battery Charger
• AC Power Cord
• Selected Battery Connector
EMP recommends using only properly matched chargers to maximize battery life, charging performance, and safety.
🔧 Battery Rebuild Service
We rebuild your existing battery using fresh, high-quality cells to restore or increase capacity and performance.
- Full disassembly, rebuild, and testing
- Upgraded capacity options available
- Uses brand new name-brand cells
- Turnaround time: Approximately 14 business days
- Timeline includes the time it takes for us to receive your battery and complete the rebuild
⚡ Custom Battery Builds
Fully custom battery solutions designed to meet your exact specifications. This is ideal for unique applications or when a standard battery will not fit your needs.
- Custom shapes and sizes
- Custom BMS (Battery Management System) configurations
- Choice of cells and performance levels
- Option for enclosed case or raw (naked) pack
- Built specifically for your application
- Turnaround time: Approximately 21 business days
🔋 Battery Packs (Encased)
Battery packs built using one of our in-stock cases. These are a great option if you want a reliable, ready-to-fit solution.
- Uses pre-designed cases from our inventory
- Proven, reliable configurations
- Faster than fully custom builds
- Turnaround time: Approximately 14 business days
🔬 Battery Cells (Individual Cells)
We supply high-quality lithium-ion cells for repairs, upgrades, and custom builds.
- In-stock cells: Ship within 3–6 business days
- Out-of-stock (air shipping): Approximately 10 business days
- Out-of-stock (sea shipping): Approximately 40 days
📦 Shipping & Intake Process
- Place your order or request a quote
- Fill out our Battery Intake Form
- Send in your battery (include charger and key if required)
- We inspect and test your battery
- We contact you with results and recommended options
Important Information
Turnaround times begin once your battery is received and checked into our system.
During high demand periods or for complex builds, timelines may be slightly extended.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
4856 Judson Ave Suite 155 Las Vegas, NV 89115
Monday– Thursday, 9:00 AM – 4:00 PM ( Friday by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
