Kisae Abso DMT1250
#17 in 40 A and upFull review
For RV owners who want 50 A and a wired remote display without paying Victron or Redarc prices. The short warranty and one-source-at-a-time design hold it back.
Amazon $349$349
2.8/5
For 4x4 and truck builds that need the toughest sealed charger with Bluetooth. Buyers on a budget get more amps per dollar elsewhere.
- 50 ACharge current
- MPPT, up to 1,000 WSolar input
- 2 yearsWarranty
Check price at Amazon$735
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- IP67 and IP69K sealing for engine bay, washdown and water crossing use
- Bluetooth app control built in
- Takes up to 1000 W of solar at up to 48 V
- Heated lithium profile for batteries with built-in heaters
Cons
- Among the most expensive chargers here per amp
- Only a 2 year warranty
- No published efficiency
The Redarc BCDC Alpha family
Every Redarc BCDC Alpha model we rank, smallest first. Ratings compare each against its own current.
| Model | Charge current | Rating | Price |
|---|---|---|---|
| Redarc BCDC Alpha 25 | 25 A | 2.9/5 | $689 |
| Redarc BCDC Alpha 50 (this one) | 50 A | 2.8/5 | $735 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its current. How we rank explains each one.
Specifications
| Model number | BCDC12050B |
|---|---|
| Charging | |
| Charge current | 50 A |
| Input battery | 12/24 V |
| Output battery | 12 V |
| Battery types | AGM, gel, calcium, standard lead acid, LiFePO4, heated LiFePO4 |
| LiFePO4 profile | Yes |
| Smart alternator support | Yes |
| Solar | |
| Solar input | MPPT, up to 1,000 W |
| Max solar voltage | 48 V |
| Build | |
| Bluetooth | Yes |
| Ingress rating | IP67/IP69K |
| Weight | 2.1 lb |
| Warranty | 2 years |
Alternatives in this current
Schumacher SDC371 40A DC-DC
#18 in 40 A and upFull review
A very cheap way to try alternator charging on an older vehicle, if the third party listing holds up.
Amazon $59.95$59.95
Redarc BCDC Classic 50
#20 in 40 A and upFull review
For a big lithium bank in a 4x4 or truck where the charger must sit in the engine bay. Expensive for what it does.
Amazon $690$690
Compare
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