ECTIVE LC 120 Slim LT 12V — Lithium batteries for campers
ECTIVE LC 120 Slim LT 12V TN6316

Photo from the manufacturer

Lithium batteries for campers F2 · Room-sized (1–3 kWh)

ECTIVE ECTIVE LC 120 Slim LT 12V

Manufacturer's list price
479 € ≈ $517

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Data from official source

The ECTIVE LC 120 Slim LT 12V is a lithium iron phosphate battery with a flat body, suited to campers, caravans, boats and systems not connected to the grid. The electronics switch the heater on by themselves when the temperature drops below zero and warm the cells until the right temperature for charging is reached: charging is safe down to thirty degrees below zero.

It handles demanding loads such as an air conditioner, an induction hob or a caravan mover motor. Temperature, current and voltage can be read in real time from the phone via Bluetooth with the free app, and the battery also has an integrated display. Up to four units connect in series.

01 · Verified data

Technical specifications

System voltage 12 V
Capacity 120 Ah
Parameter Value Source
Dimensions 12.6 × 46.6 × 29 cm (5.0 × 18.3 × 11.4 in) manufacturer website
Weight 19.9 kg (43.9 lb) manufacturer website
System voltage 12 V Declared by the brand
Capacity 120 Ah Declared by the brand
Cell chemistry LFP (lithium iron phosphate) Declared by the brand
Maximum discharge current 250 A Declared by the brand
Maximum charge current 100 A Declared by the brand
Low-temperature charge protection Yes Declared by the brand
Bluetooth monitoring Yes Declared by the brand
Ingress protection IP55 Declared by the brand
Warranty 5 anni Declared by the brand
Official list price 638.55 € Declared by the brand
Capacity in kWh — Not declared
Rated cycles — Not declared
Capacity at end of cycle life — Not declared
Guaranteed throughput — Not declared
Guaranteed remaining capacity — Not declared

Which documents this page rests on

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.

02 · The numbers

What it really costs

Battery life cycles 1825 cycles warranty years
  • the manufacturer does not state the guaranteed total energy throughput, which for heavy users is often the limit that runs out first
How we worked it out
warranty years
1825

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.

03 · Summary

Pros and cons

In favour

  • It charges even below zero, down to thirty degrees below, with the heater switching on by itself.
  • The flat body is designed for installation in narrow niches. source
  • Handles demanding loads such as an air conditioner, an induction hob or a caravan mover motor.
  • Temperature, current and voltage in real time from the phone with the free app, plus the integrated display.

Worth knowing

  • At most four can be connected in series. source
  • The peak discharge lasts 15 seconds, with a tolerance of five.
  • The 4,000 cycles apply with an 80% discharge at every cycle. source
Updates to this sheet and Manufacturer Notes
  1. Price updated
  2. Sheet published