The TecMate Optimate 4 can Bus Edition 65 optimiser is a motorcycle optimiser specifically for can-bus equipped BMWs. This has a weatherproof eyelet lead and clamps included and this diagnoses, recovers, charges, checks and maintains your battery. This is suitable for AGM/MF, STD, GEL, spiral cell batteries with a capacity from 2Ah to 50Ah. This gives maximum long-term maintenance of up to 75Ah with advanced 6 stages of charge and maintenance. Input current max 0.15A @ 230V. This has a running cost of less than one pound per year yet keeps your battery in tip-top condition so saves you the cost of a new battery. Efficient with less than 0.5mA reverse drain current, 0.8A maximum output current (battery bulk charge) and has automatic desulphation 2 stages (recovery and Turbo) and 48 hours charge time limit (no maintenance time-limit) Maintain and test cycles: 30 min (alternating hourly) and the charge retention test gives 5 results from 'good' to 'bad' with the operation temperature range: -40c / +40c. This is compact and lightweight measuring 200 x 75 x 61mm and weighs 800g with an enclosure classification: IP54. This can be mounted on the wall with an input cable length: 2m and output cable length: 2m.