Product Overview
The RD18-1700-C4 brings Red Diamond hybrid architecture to the 36V segment at 20–36 kW: an isolation transformer paired with an IGBT switchmode stage for 98% power factor and approximately 90% average efficiency. Three-phase only (up to 500 A), it supports conventional, opportunity, fast-charge, de-sulphation, and regeneration — all programmable from the 2×20-character alphanumeric display.
- Output voltage: 36V (auto-identifies 24 / 36 / 48 / 80 V)
- Power class: 20–36 kW (up to 500 A)
- Chemistry support: Flooded lead-acid, GEL, AGM, Lithium
- Modes: Conventional, opportunity, fast-charge, equalization, formation, de-sulphation, regeneration
- Cabinet: TL or TP — TL: 19″L × 20.9″W × 36.6″H / TP: 22″L × 28.0″W × 47.6″H
- Phase: Three-phase (3Ø), 480 VAC
- Charging System: Hybrid Charging System
Configured for 480 VAC three-phase input — the practical minimum for this power class. Backed by a 5-year parts / 10-year power transformer warranty. Contact your representative to configure the RD18-1700-C4 for your fleet's voltage, chemistry, and shift schedule.
Specifications
| Warranty | 5-year parts / 10-year power transformer warranty |
|---|
Fitment Compatibility
Use the Radian Fitment Tool to check compatibility with your forklift, scrubber, scissor lift, or aerial work platform. Our team can also confirm fitment for any OEM not listed.
- Compatible with most major forklift OEMs (Toyota, Crown, Hyster, Yale, Raymond, Mitsubishi, Cat, Clark, Linde, Komatsu).
- Drop-in replacement for standard industrial battery cabinets and standard charger footprints.
- Voltage and connector matching verified at order review.
Shipping & Freight
- Freight class: Industrial batteries and chargers ship via LTL freight.
- Lead time: Most orders ship within 3–5 business days.
- Liftgate & residential: Available on request — quoted at order review.
- Hazmat: Wet-cell shipments require dock or forklift unload. AGM/sealed units ship hazmat-exempt.
Full details: Shipping Policy · Returns Policy
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