The BCDC1240D is REDARC's 40-amp dual-input DC-DC charger with built-in MPPT solar regulation, designed for camper and overland builds running auxiliary batteries off the alternator. Accepts 9–32 V input from either an alternator or solar (or both simultaneously). The v3 revision adds Bluetooth diagnostics and improved cooling. 3.4 lbs. MSRP $690.
$690
2 retailers
At a glance4 specs
weight
3.4 lbs
input range v
9-32
price msrp usd
690
max charge amps
40
Where to buy
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Description
Last reviewed May 15, 2026
Full specifications
4 fields
| weight | 3.4 lbs |
|---|---|
| input range v | 9-32 |
| price msrp usd | 690 |
| max charge amps | 40 |
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