Dyness 12V 100Ah Bluetooth
#3 in 100 Ah classFull review
A cheap, IP65 Bluetooth 100Ah battery for RV, solar and marine use, from one of the larger storage-battery makers. Cold-climate users need a heated model instead.
Amazon $179.98$179.98
The Dyness 12V 100Ah Bluetooth is the better 12V lithium battery overall, rated 3.8 to 3.5. The Dyness 12V 100Ah Bluetooth leads on value. The Renogy 12V 100Ah Pro Smart wins on cold weather and warranty. The Dyness 12V 100Ah Bluetooth costs $380.01 less ($179.98 vs $559.99).
Renogy 12V 100Ah Pro Smart
#12 in 100 Ah classFull review
For 12 V RV, van and boat owners who charge in cold weather and want heating and Bluetooth in one sealed battery. Skip it if you need a 24 V or 48 V series bank.
Amazon $559.99$559.99
Prices were last checked October 22, 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 Dyness 12V 100Ah Bluetooth for value ($0.14 per rated Wh vs $0.44 per rated Wh).
- Choose the Renogy 12V 100Ah Pro Smart for cold weather (self-heating, so it charges below freezing vs stops charging below freezing (no heater)) and warranty (7-year warranty vs 5-year warranty).
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 | Dyness 12V 100Ah Bluetooth | Renogy 12V 100Ah Pro Smart |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 35% | 93 $0.14 per rated Wh | 44 $0.44 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 | 75 7-year warranty |
| Cycle life 10% | 33 3,000 cycles at 100% depth, maker rating | 67 5,000 cycles at 80% depth, maker rating |
| Cold weather 10% | 60 stops charging below freezing (no heater) | 100 self-heating, so it charges below freezing |
Specifications
| Dyness 12V 100Ah Bluetooth | Renogy 12V 100Ah Pro Smart | |
|---|---|---|
| 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 | 3,000 at 100% depth | 5,000 at 80% depth |
| Price per Wh | $0.14 | $0.44 |
| BMS | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | - | 245 A for 30 s |
| Max charge current | 100 A | 100 A |
| Low-temperature charging | Charge cutoff only | Self-heating |
| Bluetooth monitoring | Yes | Yes |
| Series / parallel | up to 4 in series, 4 in parallel | up to 1 in series, 8 in parallel |
| Build | ||
| Case size | Group 31 | - |
| Dimensions | 12.99 x 6.77 x 8.43 in | 10.6 x 7.6 x 8.1 in |
| Weight | 25.3 lb | 26.9 lb |
| Terminals | M8 | M8 |
| Water resistance | IP65 | IP67 |
| Warranty | 5 years | 7 years |