Lester Summit Series II On-Board Battery Charger – 36–48V Auto-Ranging, 13–18A
The Lester Summit Series II On-Board Battery Charger is a premium smart charging solution designed for permanent installation on golf carts and electric vehicles. Supporting 36V and 48V battery systems with auto-ranging voltage detection, it provides efficient, safe, and convenient onboard charging wherever your vehicle is parked.
Convenient On-Board Design
This charger is designed to be mounted directly onto the vehicle, eliminating the need for a separate external charging unit. Simply plug in your cart and charge with ease, making it ideal for everyday convenience and fleet use.
Auto-Ranging Voltage Detection
The Summit Series II automatically detects whether your system is 36V or 48V and adjusts its charging profile accordingly. This ensures proper charging every time without manual switching or configuration.
Smart 13–18A Charging Performance
With a 13–18 amp output, this charger balances fast charging with battery protection. Its intelligent charging algorithm helps reduce heat, prevent overcharging, and extend battery life.
High-Efficiency Charging Technology
Built with high-frequency switching technology, the charger delivers efficient energy conversion with reduced heat and energy loss. This improves reliability and long-term performance.
Durable Integrated Construction
Engineered for permanent installation, the onboard design is built to withstand vibration, temperature changes, and daily use. Integrated safety protections guard against overheating, short circuits, and electrical faults.
Key Features
- On-board design for permanent vehicle installation
- 36V–48V auto-ranging voltage detection
- 13–18 amp smart charging output
- High-frequency efficient charging technology
- Automatic battery protection and optimization
- Ideal for golf carts and electric utility vehicles
The Lester Summit Series II On-Board Charger is a reliable, intelligent solution for convenient and efficient battery charging built directly into your vehicle system.


