For a large lithium bank charged from a conventional high output alternator, at a low price.
Amazon $195.99The LiTime 12V 60A DC-DC Charger is the better DC-DC charger overall, rated 3.7 to 3.0. The LiTime 12V 60A DC-DC Charger leads on value. The Sterling Power BB1270 70A wins on efficiency. The LiTime 12V 60A DC-DC Charger costs $502.01 less ($195.99 vs $698).
For boats and large RVs with a big lithium bank and an alternator rated well above 90 A.
Amazon $698Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the LiTime 12V 60A DC-DC Charger for value ($3.27 per amp ($195.99, 60 A) vs $11.63 per amp ($698, 60 A)).
- Choose the Sterling Power BB1270 70A for efficiency (94% peak efficiency vs 90% peak efficiency).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 40 A and up DC-DC charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | LiTime 12V 60A DC-DC Charger | Sterling Power BB1270 70A |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 30% | 100 $3.27 per amp ($195.99, 60 A) | 23 $11.63 per amp ($698, 60 A) |
| Charge current 20% | 100 60 A | 100 60 A |
| Efficiency 10% | 22 90% peak efficiency | 67 94% peak efficiency |
| Features 20% | 25 isolated | 25 smart alternator support |
| Warranty 20% | 25 2-year warranty | 25 2-year warranty |
Specifications
| LiTime 12V 60A DC-DC Charger | Sterling Power BB1270 70A | |
|---|---|---|
| Charging | ||
| Charge current | 60 A | 60 A |
| Input battery | 12 V | 12 V |
| Output battery | 12 V | 12 V |
| Battery types | LiFePO4, AGM, gel, SLA, calcium | - |
| LiFePO4 profile | Yes | Yes |
| Smart alternator support | No | Yes |
| Peak efficiency | 90% | 94% |
| Isolated | Yes | - |
| Solar | ||
| Solar input | No | No |
| Build | ||
| Bluetooth | No | No |
| Weight | 6.2 lb | 2.2 lb |
| Warranty | 2 years | 2 years |
| Released | 2023-10-11 | - |
