ECTIVE LC 120 Slim LT 12V vs ECTIVE LC 280s LT Underseat
Technical comparison · Lithium batteries for campers
ECTIVE LC 280s LT Underseat is the most capable in its class. ECTIVE LC 280s LT Underseat is ahead on capacity; beyond that the two differ in ingress protection, which is a design choice rather than a ranking. On the category's technical index, ECTIVE LC 280s LT Underseat ranks #1 of 9, ECTIVE LC 120 Slim LT 12V #3.
| Parameter |
LC 120 Slim LT 12V
ECTIVE
F2 · Room-sized (1–3 kWh)
|
LC 280s LT Underseat
ECTIVE
F3 · Flat-sized (3–8 kWh)
|
|---|---|---|
| Awards | — | |
| In brief | ||
| Capacity in kWh | — | 3.584 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| List price | 638.55 € | 2249 € |
| Weight | 19.9 kg | 28 kg |
| Dimensions (W×D×H) | 12.6 × 46.6 × 29 cm | 34.5 × 33 × 14.5 cm |
| How long it lasts | ||
| Battery life cycles | 1825 cicli | 2555 cicli |
| The limit that runs out first | anni di garanzia | anni di garanzia |
| Warranty | 5 anni | 7 anni |
| The numbers | ||
| Cost of stored energy | — | 0.246 €/kWh |
| Energy density | — | 128 Wh/kg |
| Identity | ||
| Use tier | F2 — Room-sized (1–3 kWh) | F3 — Flat-sized (3–8 kWh) |
| Price | ||
| Price | 478.92 € | 2249 € |
| Category specs | ||
| System voltage | 12 V | 12 V |
| Capacity | 120 Ah | 280 Ah |
| Maximum discharge current | 250 A | 350 A |
| Maximum charge current | 100 A | 200 A |
| Low-temperature charge protection | Yes | Yes |
| Bluetooth monitoring | Yes | Yes |
| Ingress protection | IP55 | IP21 |
JouleSpecs Awards
No awards in this tier.
Best value Flat-sized (3–8 kWh)
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 →The differences that matter
- Capacity: ECTIVE LC 120 Slim LT 12V 120 Ah vs ECTIVE LC 280s LT Underseat 280 Ah
- Maximum charge current: ECTIVE LC 120 Slim LT 12V 100 A vs ECTIVE LC 280s LT Underseat 200 A
- Maximum discharge current: ECTIVE LC 120 Slim LT 12V 250 A vs ECTIVE LC 280s LT Underseat 350 A
- Warranty: ECTIVE LC 120 Slim LT 12V 5 years vs ECTIVE LC 280s LT Underseat 7 years
- Ingress protection: ECTIVE LC 120 Slim LT 12V IP55 · ECTIVE LC 280s LT Underseat IP21
Which one to choose
Choose ECTIVE LC 120 Slim LT 12V if…
you prefer this set-up — ingress protection: IP55.
Choose ECTIVE LC 280s LT Underseat if…
you value capacity, maximum charge current and maximum discharge current. It is the most capable in its class.
This comparison points to the two product pages, where you'll find the complete data and the official links.