Sterling Power
Sterling Power BB484830 – 48V to 48V 30A DC-DC Battery Charger
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The Sterling Power BB484830 is a 48V-to-48V battery-to-battery (DC-DC) charger rated at 30A, built for high-voltage 48V systems that need a controlled, isolated charge from one 48V source to another. It's a natural fit for larger marine, off-grid, and high-power expedition builds standardising on 48V.
Like the rest of Sterling's battery-to-battery range, it delivers a true multi-stage charge (bulk, absorption, float) with multiple battery-type profiles rather than simply paralleling banks, so your 48V bank is charged correctly and completely.
Charging Specifications
| Type | 48V → 48V battery-to-battery (DC-DC) charger |
|---|---|
| Nominal voltage | 48V input / 48V output |
| Max output current | 30A |
| Charge stages | Multi-stage: bulk, absorption, float |
| Battery types | Lead-acid, AGM, gel, and lithium |
| Input voltage range & dimensions | Available on the datasheet — contact us to confirm |
| Warranty | 5-year return-to-factory |
Key Features
- Dedicated 48V-to-48V DC-DC charging at 30A
- True multi-stage charge with multiple battery-type profiles
- Suits lead-acid, AGM, gel, and lithium 48V banks
- 5-year return-to-factory warranty
Need the exact input range, dimensions, or cabling for a 48V install? Contact us and we'll confirm from the datasheet.
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