LiTime 12V 40A DC-DC Charger
#16 in 40 A and upFull review
A bare-bones, low-cost alternator charger for a lithium house battery in an RV or van. Spend more for smart-alternator details, monitoring or a solar input.
Amazon $155.99$155.99
2.9/5
A very cheap way to try alternator charging on an older vehicle, if the third party listing holds up.
- 40 ACharge current
- MPPTSolar input
- 1 yearWarranty
Check price at Amazon$59.95
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 40 A with a solar input for about $60, by far the lowest price here
- IP66 rating allows engine bay or chassis rail mounting
- Covers lithium, AGM, gel, calcium and flooded batteries
Cons
- Sold by a third party seller; check it is new stock
- Only a 1 year warranty
- No efficiency, solar limits or smart alternator support published
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 | SDC371 |
|---|---|
| Charging | |
| Charge current | 40 A |
| Input battery | 12 V |
| Output battery | 12 V |
| Battery types | standard, gel, AGM, calcium, lithium |
| LiFePO4 profile | Yes |
| Smart alternator support | No |
| Solar | |
| Solar input | MPPT |
| Build | |
| Bluetooth | No |
| Ingress rating | IP66 |
| Warranty | 1 year |
| Released | 2022-10-01 |
Alternatives in this current
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Redarc BCDC Alpha 50
#19 in 40 A and upFull review
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