Introducing PowerBox Core
Smarter Charging for Longer Battery Life
The Sunlight PowerBox SLH Series delivers high-frequency charging for lead-acid batteries — combining efficiency, versatility, and intelligent design for light to mid-duty industrial use.
Input Supply
single or three-phase (230–400 Vac ±10%)
Output voltage range
12–80V
Energy Efficiency
Up to 90%
Charging curve
IUI
PowerBox Core
Discover the key benefits that set our technology apart:
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High-efficiency charging
Achieves up to 90% efficiency, minimizing energy loss and optimizing charging performance for long-term battery health.
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Versatile power supply
Compatible with both single-phase and three-phase configurations, offering flexibility for varied industrial applications.
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Customizable charging profiles
Includes up to 8 selectable charging curves, allowing adjustment of output current and profiles for different lead-acid battery types.
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User-friendly monitoring & advanced protection
Equipped with LED or advanced LCD displays, electronic protection systems, and optimized ventilation for safe, durable operation.
Discover the key benefits that set our technology apart:
Efficient. Durable. Proven. The high-frequency solution for lead-acid industrial batteries.
Energy Efficiency
up to 95%
Input & Output
Single or three-phase input (230–400 Vac)
Charging
IUI charging curve with up to 8 pre-programmed profiles
Durable Design
Suitable for industrial use
| Model | Phase | Mains Voltage | Output Voltage | Energy Efficiency | Output DC Current | Airlift Option | Display | Charging Profiles Pre-programmed | Selectable Charging Profiles | Charging Curve | Cabinet Sizes (mm) | Weight (kg) | Li-ion Batteries Charging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunlight PowerBox SLH 26C Small | Single-Phase | 230 Vac ±10% | 12/24/36/48V | up to 90% | 10A–40A | No | Yes | 8 | Yes (via DIP switch) | IUI | L 190 / H 310 / W 130 | 4 | No |
| Sunlight PowerBox SLH 26C | Single-Phase | 230 Vac ±10% | 24/36/48/80V | up to 95% | 25A–100A | Yes (requires SLH 27C cabinet) | No | 1 | No (2 options via SW) | IUI | L 200 / H 365 / W 140 | 7.5 / 8.5 | Yes |
| Sunlight PowerBox SLH 27C | Single-Phase | 230 Vac ±10% | 24/36/48/80V | up to 95% | 40A–120A | Yes | Yes (advanced) | 8 | Yes (via buttons & SW) | IUI | L 460 / H 345 / W 200 | 19 / 21 / 22 | No |
| Sunlight PowerBox SLH 12C | Three-Phase | 400/440 Vac ±10% | 24/36/48/72/80V | up to 90% | 40A–180A | Yes | Yes | 8 | Yes (via buttons) | IUI | L 360 / H 550 / W 350 | 30 / 35 | No |
| Sunlight PowerBox Modular | Three-Phase | 400/440 Vac ±10% | 24/36/48/72/80V | up to 94% | 50–400A | Yes | Yes (advanced) | 8 (+2 Fast Charge) | Yes (via buttons & SW) | IUI | L 490 / H 545 / W 435L 490 / H 660 / W 435L 520 / H 680 / W 500 | 38–44 / 70–72 / 47–90 | Yes |
Integrate with other solutions
Tubular Flex
Advanced lead-acid batteries engineered for industrial mobility.
Tubular Flex Gel
Supreme protection for hygiene-sensitive facilities.
XtremeForce
High-performance lead-acid batteries delivering longer operating times, fast charging, and maximum reliability for multi-shift operations.
