BLUETTI Charger 2 DC-DC Alternator Charger Review
Published:
BLUETTI is set to release the BLUETTI Charger 2 an all-new DC-DC alternator charger designed to push the boundaries of mobile power management. More than just a charger, it delivers a suite of advanced capabilities, including a remarkable 1,200W output when pairing alternator power with solar. Its configurable power management is capable of reversing current to safeguard and sustain your vehicle’s starter battery. Will the BLUETTI Charger 2 position itself as a must-have alternator charger for vanlife, vehicle-based, and off-grid energy setups?
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Further details are expected during a livestream on December 23rd, ahead of CES in January. This page will be updated as new information becomes available.
Overview
- Multifunctional design: In addition to charging, it offers reverse charging and battery maintenance for the vehicle's battery when connected to a compatible BLUETTI power station.
- Compatible with many cars and devices: Also works to charge other brands of power stations (EcoFlow, Jackery, etc.).
- Smart App Control: Monitor energy flow and adjust charging settings in real time via the BLUETTI app.
What's New
- Auto Start via Ignition Wire: Can be configured to automatically power on when the vehicle's ignition is engaged via a built-in ignition wire (D+) to the vehicle's ACC/IGN fuse box. This is a major improvement, especially for vehicles with smart alternators, as it ensures the charger only draws power when the engine is running.
- Increase in Charging Power: Delivers a significantly higher charging rate compared to the previous generation, supporting up to 800W of input from the alternator (at 12V or 24V) for a combined total charging power of up to 1,200W maximum when paired with solar.
- Solar Input: Now features a dedicated 600W solar input (PV) with a voltage range of 13-50V. This allows you to charge your power station from solar panels while stationary or supplement the alternator while driving.
- DC Panel Port: Includes a dedicated port for the Hub D1 (DC Power Hub). This allows you to expand the unit into a full power distribution center with nine additional DC output ports, including USB-C PD, USB-A, cigarette lighter, and 50A Anderson ports.
- Battery Port: A bidirectional battery port designed for connecting BLUETTI expansion battery packs (such as the B230 or B300).
Detailed Comparison
Here’s a side-by-side breakdown of the new Charger 2 and older Charger 1:
| Model | Charger 2 | Charger 1 |
|---|---|---|
| Photo |  |  |
| Links | Manual | Details | Manual |
| Price | TBD | $399 |
| Alternator Input | 800W | 560W |
| Solar Input | 600W | -- |
| Power Station Port | 1200W | 560W |
| Battery Pack Port | 1000W 1 | -- |
| 48V DC Panel Port | 600W 1 | -- |
| Max Reverse Charge | 800W 1 | -- |
| Battery Maintenance | 100W 1 | -- |
| Size | 10.43 × 6.65 × 2.74" (265 × 169 × 69.7 mm) | 5.7in × 4.33in × 2.36" (145mm × 110mm × 60 mm) |
| Weight | 3.51 lbs (1.59 kg) | 2.645 lbs (1.2 kg) |
1. Proprietary feature: Requires compatible BLUETTI product for operation.
Full Specifications
Summary
The BLUETTI Charger 2 is a high-speed DC-DC alternator charger that delivers up to 1,200W of combined power from vehicle and solar. It features bidirectional switching to maintain both connected power stations and the vehicle's starter battery, while an integrated Hub D1 port offers comprehensive DC power distribution for off-grid systems. Overall, the Charger 2 stands out as a competitive new entry among modern alternator chargers.
Check back here for updates as more information becomes available.
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