ZB 24V 5A Lithium Fast Charger – engineered for 24V lithium battery packs (LiFePO₄ 29.2V / Ternary 29.4V) with capacity from 25Ah to 50Ah. With 5A output current, this charger delivers 2x faster charging than 2.5A models and reduces charge time by over 60% compared to standard 2A chargers. Ideal for high‑capacity electric wheelchairs, commercial mobility fleets, golf carts, and light EVs where minimal downtime is critical. Features 12 interchangeable plugs, full global certifications, and intelligent multi‑stage charging.
One charger works worldwide – choose your plug at order.
Charges 25‑50Ah batteries 60‑70% faster than 2A chargers.
Over‑current, over‑voltage, short‑circuit, reverse polarity, backflow, over‑temperature.
UL, CE, FCC, PSE, KC, CB, RoHS, IEC60601‑1, ISO7176‑31, UKCA.
Select Your Plug Type – Click any image to view full size
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage / Frequency | 100‑240V AC, 47‑63Hz (wider than 2A/3A) |
| Output Voltage (LiFePO₄ / Ternary) | 29.2‑29.6V DC |
| Output Current | 5A max (ultra‑fast) |
| Recommended Battery Capacity | 25Ah – 50Ah |
| Efficiency | ≥90% |
| Pre‑charge Current/Voltage | 1000±200mA @ 20±2V |
| Transition Current (to float) | 500±50mA (optimized for high current) |
| Cooling | Natural convection – fanless, silent |
| Housing Material | PC plastic, fire‑retardant, enlarged chassis |
| Dimensions (L×W×H) | 186×89×46mm (larger for heat dissipation) |
| Net Weight | 670±5g (heavier due to larger transformer) |
| Output Connector | 3‑pin XLR male, 1200mm cable |
| Input Cord Lengths | US 1800mm, others 1300mm |
| Withstand Voltage | 4KV |
| Packing (Master Carton) | 20 pcs/carton (460×340×370mm, fewer units per box) |
Fig.1: Dimensions for 5A model (186×89×46mm)
Fig.2: Output connector – 3-pin XLR male, 1200mm cable
Six‑Layer Protection System
- Over‑current protection – automatically limits or cuts output when current exceeds 5A threshold, preventing damage to both charger and battery.
- Over‑voltage protection – stops charging immediately when voltage rises above 30V, eliminating the risk of battery swelling, fire, or permanent cell damage.
- Short‑circuit protection – instant output shutdown in case of accidental short on the output cable, ensuring user safety.
- Reverse polarity protection – no output when battery is connected backwards; both charger and battery remain unharmed.
- Backflow / anti‑reverse current protection – prevents battery voltage from feeding back into the charger’s internal circuits, protecting sensitive components.
- Over‑temperature protection – reduces charging current or shuts down when internal temperature exceeds safe limit, especially important for 5A continuous operation.
Smart 4‑Stage Charging Algorithm for Ultra‑Fast Recharge
The ZB 24V 5A Lithium Charger utilizes an advanced pre‑charge → constant current (5A) → constant voltage → float profile. The high 5A constant current dramatically reduces charging time for large‑capacity lithium batteries (25‑50Ah). For example:
- A 40Ah fully discharged battery takes approximately 8‑9 hours with a 5A charger, compared to 20+ hours with a 2A charger – 60% time saving.
- For fleet operators (rental scooters, healthcare facilities), this means faster vehicle turnaround and fewer chargers needed per battery.
Pre‑charge safely awakens deeply discharged cells (down to 20±2V); constant current (5A) delivers rapid bulk charge; constant voltage precisely controls saturation to avoid overcharge; float maintains battery health after full charge. The optimized transition current (500mA) ensures accurate termination, extending cycle life by up to 30% compared to standard chargers without proper termination logic.
Battery Compatibility & Thermal Management
The charger is compatible with two most common 24V lithium battery chemistries:
- Lithium Iron Phosphate (LiFePO₄) – full charge voltage 29.2V. Ideal for high‑safety, long‑cycle applications.
- Ternary Lithium (NMC/Li‑ion) – full charge voltage 29.4V. Provides higher energy density for lighter weight.
Due to the higher 5A current, the charger features an enlarged enclosure (186×89×46mm) and optimized internal heat dissipation. Even under full load, the surface temperature remains well within safety limits. The fanless design ensures silent operation – critical for home and healthcare environments.
Global Certifications & Compliance
This ZB 24V 5A Lithium Fast Charger holds the following international certificates: CB, CE, FCC, PSE, SAA. These attest to compliance with safety, electromagnetic compatibility, and applicable regional standards (including Japanese PSE and Australian SAA requirements). Wholesale buyers can rely on these certifications for smooth customs clearance and market acceptance in many regions.
Application & B2B Information
Ideal for: Heavy‑duty electric wheelchairs, commercial mobility scooter fleets, golf carts, pallet jacks, and light electric vehicles using 24V lithium batteries in the 25‑50Ah range. The 5A charger is the top choice for users who cannot tolerate long charging downtime – such as rental operators, repair shops with fast turnaround requirements, or individuals who use their wheelchair all day and need overnight charge in just a few hours.
Wholesale & Customization: Minimum Order Quantity (MOQ) is 20 pieces per type (mixed plug types allowed). OEM services include custom logo on housing, custom packaging, and label language (English / Japanese / UKCA). Sample orders supported. Delivery time: 15‑25 days after payment confirmation.
12‑Month Hassle‑Free Warranty: If any unit fails due to manufacturing defect within warranty, provide a short video or photo as proof. We will credit the failed quantity on your next order – no need to return defective units, saving you return shipping costs and downtime.
Nameplate languages: English, Japanese, or UKCA marked labels are available upon request. Please specify your preference when ordering.
Shipping & Packing: Each charger comes with the selected input power cord, output XLR cable, and user manual. Master carton contains 20 units (460×340×370mm) due to larger dimensions, ensuring safe transport.
Installation & Safety Tips for High‑Current Chargers
- Always connect the charger to the battery first, then plug into AC outlet to reduce spark risk – especially important for 5A models.
- Ensure adequate ventilation; do not cover the charger during operation. The larger case requires at least 10cm clearance on all sides.
- Use appropriate gauge cables for output connection (minimum 18 AWG recommended).
- Disconnect charger from AC when not in use.
