20KW High-Compatibility Off-Board Charger

As an all-in-one energy supply station for industrial scenarios, it supports wide voltage range and multi-protocol compatibility, enabling cross-brand and cross-model universal usage. It balances fast charging speed and battery protection, perfectly meeting high-frequency operations in logistics parks, factories, and municipal applications.

Company Introduction

We are a professional Chinese manufacturer & supplier of 20KW High-Compatibility Off-Board Chargers with our own factory. We support factory direct supply, bulk purchase, and customized solutions, with sufficient in-stock inventory and free samples available.

Our chargers feature IP65 protection, fast charging, lightweight design, and full-range compatibility, with charging efficiency up to 96%+. Widely used for electric forklifts and other industrial vehicles, they are the preferred universal charging solution for industrial applications.

Key Advantages

This 20KW off-board charger adopts full-bridge resonant topology and multi-protocol compatible chips.

Ultra-high compatibility: Compatible with lead-acid, lithium-ion, and other battery systems from different manufacturers, with a 99% compatibility rate. No need for separate chargers, reducing operating costs by up to 30%.

IP65 rugged design: IP65 waterproof and dustproof, suitable for outdoor and harsh working environments. Lightweight aluminum alloy body only 85KG, 14% lighter than similar products for easy mobility.

High efficiency & long battery life: Charging efficiency ≥96%, charging time shortened by 45%. Intelligent algorithm protects batteries from overcharging and extends service life by 28%.

Stable & reliable: Multiple safety protections ensure safe and stable operation 24/7.

Technical Specifications

Applications

Electric Forklift / Reach Truck

Customized for a large logistics group in South Korea. More than 1000 units exported, compatible with Hyundai, KION, and other mainstream brands.

1.2h fast charge supports 8h continuous working, greatly improving warehouse efficiency.

Electric Handling Vehicle

Cooperated with leading manufacturers in the Pearl River Delta, supplying 3000 units for various handling vehicles. Unified charging reduces management cost with 100% adaptation rate.

Cleaning Equipment

Applied in 25 municipal units and large parks. IP65 protection works reliably outdoors, and fast charging supports all-day uninterrupted operation.

Certification & Quality

Certifications: CE, ISO9001, GB/T 34131-2015, multi-protocol compatibility test

Each unit passes 40 strict QC procedures, including 100-hour full-load aging test, insulation and voltage resistance test, sealing test

Defective rate controlled within 0.1%

Certification documents and factory inspection photos available

Competitive Advantages

Compared with competitors, we have 3 core strengths:

Compatibility: Exclusive multi-protocol integration supports 40% more models without extra modules.

Efficiency: Charging efficiency 96%+, 3%–4% higher than peers; charging speed 20% faster.

Service & Cost: Factory-direct price 12%–15% lower; custom lead time only 5–8 days; free samples + on-site commissioning; warranty 1 year longer than industry standard.

After-sales Service

Warranty: 2-year whole machine warranty, lifetime technical support

Support: Chinese & English installation videos, manuals, 7×24h technical hotline, remote diagnosis

On-site service: 24h domestic service; overseas local service support

Return & Replacement: Free replacement for unqualified samples; unconditional return for defective bulk orders (freight on us)

FAQ

Which brands & batteries are compatible?

Compatible with most global electric forklift & handling vehicle brands; supports lead-acid, lithium-ion, LiFePO4 batteries.

What’s the delivery time for bulk orders?

In-stock orders: ship within 72 hours; customized protocol versions: 8–12 working days.

How to get free samples?

Contact us for free samples (for bulk buyers). Compatibility testing supported; freight can be collect or covered by us.

Does fast charging damage the battery?

No. With intelligent BMS communication and protection algorithm, it protects and extends battery life.