Renogy Core Mini 12V 100Ah DuoHeat
#5 in 100 Ah classFull review
For winter campers and ice anglers who need a compact 100Ah battery that can charge below freezing.
Amazon $352.99$352.99
The Renogy Core Mini 12V 100Ah DuoHeat is the better 12V lithium battery overall, rated 3.7 to 3.6. The Renogy Core Mini 12V 100Ah DuoHeat leads on cold weather and warranty. The ECO-WORTHY 12V 100Ah Bluetooth wins on value. The ECO-WORTHY 12V 100Ah Bluetooth costs $134.50 less ($218.49 vs $352.99).
ECO-WORTHY 12V 100Ah Bluetooth
#13 in 100 Ah classFull review
A low-cost Group 24 lithium battery with a phone app for boats, RVs and small solar setups. Buyers who need 36V or 48V banks, or cold-weather charging, should look elsewhere.
Amazon $218.49$218.49
Prices 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 Renogy Core Mini 12V 100Ah DuoHeat for cold weather (self-heating, so it charges below freezing vs stops charging below freezing (no heater)) and warranty (5-year warranty vs 3-year warranty).
- Choose the ECO-WORTHY 12V 100Ah Bluetooth for value ($0.17 per rated Wh vs $0.28 per rated Wh).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 100 ah class 12V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy Core Mini 12V 100Ah DuoHeat | ECO-WORTHY 12V 100Ah Bluetooth |
|---|---|---|
| Overall rating | 3.7/5 | 3.6/5 |
| Value 35% | 71 $0.28 per rated Wh | 88 $0.17 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 50 100 A continuous (about 1,280 W at 12.8 V) | 50 100 A continuous (about 1,280 W at 12.8 V) |
| Warranty 15% | 50 5-year warranty | 25 3-year warranty |
| Cycle life 10% | 67 5,000 cycles at 80% depth, maker rating | 50 cycle life not published (neutral score used) |
| Cold weather 10% | 100 self-heating, so it charges below freezing | 60 stops charging below freezing (no heater) |
Specifications
| Renogy Core Mini 12V 100Ah DuoHeat | ECO-WORTHY 12V 100Ah Bluetooth | |
|---|---|---|
| Capacity | ||
| Rated capacity | 100 Ah (1,280 Wh) | 100 Ah (1,280 Wh) |
| Nominal voltage | 12.8 V | 12.8 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 5,000 at 80% depth | - |
| Price per Wh | $0.28 | $0.17 |
| BMS | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | 300 A for 10 s | - |
| Max charge current | 100 A | - |
| Low-temperature charging | Self-heating | Charge cutoff only |
| Bluetooth monitoring | No | Yes |
| Series / parallel | up to 4 in series, 4 in parallel | up to 2 in series, 4 in parallel |
| Build | ||
| Case size | Group 22NF | Group 24 |
| Dimensions | 9.02 x 5.43 x 8.39 in | 10.23 x 6.6 x 8.43 in |
| Weight | 21.4 lb | 23.1 lb |
| Terminals | M8 x 1.25 | M8 |
| Water resistance | IP65 | - |
| Warranty | 5 years | 3 years |
| Released | 2025-07 | 2023-11 |