Renogy 12V 60A DC-DC Charger
#6 in DC-DCFull review
For big lithium banks on a budget, where raw current matters more than features. The short warranty and thin spec sheet are the trade-off.
Amazon $202.49$202.49
3.5/5
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.
- 40 ACharge current
- 12 VBattery
- 2 yearsWarranty
Check price at Amazon$155.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- One of the cheapest 40 A chargers, at under $4 per amp
- A second output limits current to 20 A for small batteries or small alternators
- Knob selects LiFePO4 or lead-acid; can wake a lithium battery after a BMS shutdown
- Input and output are isolated
Cons
- Not waterproof, so it is not for boats or engine bays
- No app, display, temperature sensor or custom voltages
- Few published specs: no efficiency, input range or standby draw
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | L12V40A-DC-E |
|---|---|
| Charging | |
| Type | DC-DC charger |
| Charge current | 40 A |
| Battery voltage | 12 V |
| Lithium profile | Yes |
| Custom profile | No |
| Temperature sensor | No |
| Inputs | |
| Isolated | Yes |
| Monitoring and build | |
| Bluetooth | No |
| Display | No |
| Load output | No |
| Warranty | 2 years |
Alternatives in this type
Sterling Pro Batt Ultra BB1260
#7 in DC-DCFull review
For boats and big RV banks that need lots of alternator current and fine control over charge voltages. Van builders short on space will find the Orion XS smaller and easier.
Amazon $318.75$318.75
Redodo 12V 40A DC-DC with MPPT
#9 in DC-DCFull review
For budget van and trailer builds that want alternator and solar charging in one cheap box. Specs are thin, so pick it on price rather than features.
Amazon $165.99$165.99
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