Product Overview
The BD18-0550-C3 features Auto Refresh — a function that automatically restarts a maintenance charge when a battery sits idle beyond a set threshold — keeping 36V lead-acid packs in peak readiness between shifts. This Black Diamond ferro-resonant charger covers the 450–550 Ah recharge range for 18-85-11 / 18-85-13 cell groups and similar packs in single-shift warehouse and distribution environments. The optional Wireless Battery Identification Module adds automated per-battery recognition to every charge cycle.
- Output voltage: 36V
- Recharge range: 450–550 Ah
- Opportunity-charging rating: Not designed for opportunity charging
- Case size: A
- Dimensions (W × D × H, inches): 19.69 x 14.17 x 27.56
- Phase: Three-phase (3Ø)
- Charging System: Conventional Charging System
Select your facility's input voltage (208 / 240 / 480 VAC) at checkout. The BD18-0550-C3 is covered by a 3-year parts / 10-year power transformer warranty. Select this model and configure your input voltage at checkout.
Specifications
| Warranty | 3-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 from our California warehouse.
- Lead time: Most orders ship within 3–5 business days. Custom builds 2–4 weeks.
- 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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