Photo from the manufacturer
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The BLUETTI B210P is a lithium iron phosphate expansion battery: it connects with the included cable to an AC240P or AC200PL power station and extends its runtime, and more than one can be attached to the same unit. It has its own outlets, though — USB-A, USB-C and a car socket — so it charges a phone, a laptop or a car fridge even disconnected from everything else.
The casing withstands dust and splashes, which makes it usable even where there's no roof. The expansion cable and the one for panels are already in the box, so nothing needs to be bought to get started. Direct charging from the sun, though, only accepts panels within a narrow voltage range and with the right connector: it's worth checking the panel's open-circuit voltage before pairing it. If it goes a few hours with nothing connected on either input or output, it shuts itself off, and needs to be turned back on manually.
It makes sense for anyone who already has an AC240P or an AC200PL and wants more energy for a long outage or for days away from the grid, and for anyone looking for a battery to carry around with its own outlets. On its own, though, it's not a power station: it doesn't produce AC power and it doesn't power anything that needs a plug.
official manufacturer list price — on nominal capacity
| Parameter | Value | Source |
|---|---|---|
| Dimensions | 41.7 × 28.2 × 27.0 cm (16.4 × 11.1 × 10.6 in) | manufacturer website |
| Weight | 27.9 kg (61.5 lb) | manufacturer website |
| Compatible models | AC200PL, AC240P | Declared by the brand |
| Nominal capacity | 2.15 kWh | Declared by the brand |
| Cell chemistry | LFP (lithium iron phosphate) | Declared by the brand |
| Maximum expanded capacity | 10.443 kWh | Declared by the brand |
| Fastest USB-C | 100 W | Declared by the brand |
| Maximum solar input | 500 W | Declared by the brand |
| Rated cycles | 3000 cicli | Declared by the brand |
| Warranty | 6 anni | Declared by the brand |
| Ingress protection | IP65 | Declared by the brand |
| Noise level | 40 dB | Declared by the brand |
| Official list price | 1499 € | Declared by the brand |
| Usable capacity | — | Not declared |
| Depth of discharge | — | Not declared |
| Cell supplier | — | Not declared |
| Expandable | — | Not declared |
| Continuous output | — | Not declared |
| Peak output | — | Not declared |
| Peak duration | — | Not declared |
| AC outlets | — | Not declared |
| Maximum charge power | — | Not declared |
| 0–80% charge time | — | Not declared |
| Backup power | — | Not declared |
| Switchover time | — | Not declared |
| Capacity at end of cycle life | — | Not declared |
| Guaranteed throughput | — | Not declared |
| Guaranteed remaining capacity | — | Not declared |
| Round-trip efficiency | — | Not declared |
| Standby consumption | — | Not declared |
| Mounting | — | Not declared |
| Minimum temperature | — | Not declared |
| Maximum temperature | — | Not declared |
| Cell heating | — | Not declared |
| Wheels and handle | — | Not declared |
| Works without internet | — | Not declared |
| Local control | — | Not declared |
| Open protocols | — | Not declared |
| Home Assistant integration | — | Not declared |
| Where the data is hosted | — | Not declared |
| Remote updates | — | Not declared |
| App required for setup | — | Not declared |
| Declared standards | — | Not declared |
The rest of the data comes from one page on the manufacturer's site, cited row by row in the table above.
A manual or a datasheet counts as a source even when the original file is hosted elsewhere: what matters is the document, not the server. Where that happens, it is stated above.
These numbers are calculated, not stated: they have no source to cite, they have a formula you can redo. The price used is the manufacturer's list price, which is stable and the same in every country — not a shop's price on the day.
Chosen by the declared use tier and footprint, not by price: we don't publish prices.
