A sensible 24V 100Ah pick for RVs, solar and larger boats where an app and cold protection matter. It costs only a little more than the basic version.
Amazon $539.99
A very cheap 24V 100Ah with Bluetooth for RV and solar use. The sparse listing leaves fit and warranty questions open.
- 100 Ah (2,560 Wh)Capacity
- 100 AContinuous output
- Charge cutoff onlyCold charging
- YesBluetooth
- $0.13Price / Wh
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Bluetooth app for about $10 more than the plain Dyness
- Cold-weather charge cutoff protects the cells
- Very low cost for a 24V 100Ah with an app
- Dimensions, weight and warranty are not given on the listing
- No IP rating stated, so marine use is a gamble
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its voltage. How we rank explains each one.
Specifications
| Model number | AR2.5-24V BT |
|---|---|
| Capacity | |
| Rated capacity | 100 Ah (2,560 Wh) |
| Nominal voltage | 25.6 V |
| Chemistry | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth |
| Price per Wh | $0.13 |
| BMS | |
| Continuous discharge | 100 A |
| Low-temperature charging | Charge cutoff only |
| Bluetooth monitoring | Yes |
| Series / parallel | up to 2 in series, 4 in parallel |
Alternatives in this voltage
The lowest-cost route to 24V 100Ah for solar and RV builds. Buyers give up an app and a clearly stated warranty for the savings.
Amazon $329.98Aimed at Victron-based RV and home solar systems that want closed-loop battery data. Without a Victron system the plain Bluetooth version does the same job for less.
Amazon $559.99Compare
Compare the Dyness 24V 100Ah Bluetooth with any other 24V or 36V lithium battery →
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