aha,
volgens mij is dat dit ladertje;
Item No : WHC-12A12V
Product Name : Battery Charger
Features : Battery Charger (12A12V)
Specification :
MODEL NO. WHC-12A12V
Kind of battery Unsealed or maintenance-free lead-acid battery
Voltage of battery 12Vdc
AC input Range
100Vac/220Vac ± 10% selectable
Frequency
47~63 Hz
DC output Float voltage
13.8 ± 0.1Vdc
Bulk voltage
14.5 ± 0.1Vdc
Bulk current
12A ± 5% / 6A ± 5% selectable
Protections Out shorted
Yes
Polarity inversion
Yes
Current limit
Yes
Over temp.
Yes
Cooling fan
Yes
Unit temp. < 60℃
Dimensions(L×W×H) 175 × 97 × 49mm
Net weight 0.8kgs
meer gegevens heb ik er niet van, hij is in ieder geval geschikt voor onderhoudsvrije blokjes.