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The ECTIVE LC 280s LT Underseat is a lithium iron phosphate battery designed for installation under the seats of a van or camper.
The electronics heat the cells on their own below zero and charge it down to thirty degrees below. It's read via Bluetooth from the phone, and it also has a data connection to the vehicle's other onboard systems.
At most two units connect in series.
Best balance of technical score and price among the 5 sheets in the Lithium batteries for campers category (flat-sized tier): list price €2249, technical score 63/100.
How we assign awards →| Parameter | Value | Source |
|---|---|---|
| Dimensions | 34.5 × 33 × 14.5 cm (13.6 × 13.0 × 5.7 in) | manufacturer website |
| Weight | 28.0 kg (61.7 lb) | manufacturer website |
| System voltage | 12 V | Declared by the brand |
| Capacity | 280 Ah | Declared by the brand |
| Capacity in kWh | 3.584 kWh | Declared by the brand |
| Cell chemistry | LFP (lithium iron phosphate) | Declared by the brand |
| Maximum discharge current | 350 A | Declared by the brand |
| Maximum charge current | 200 A | Declared by the brand |
| Low-temperature charge protection | Yes | Declared by the brand |
| Bluetooth monitoring | Yes | Declared by the brand |
| Ingress protection | IP21 | Declared by the brand |
| Warranty | 7 anni | Declared by the brand |
| Official list price | 2249 € | Declared by the brand |
| Rated cycles | — | Not declared |
| Capacity at end of cycle life | — | Not declared |
| Guaranteed throughput | — | Not declared |
| Guaranteed remaining capacity | — | 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.
