AGM battery, 12 V 5.4 Ah (C20),
High Rate Series (high current capacity, 20.7 W/15 min, 1.65 V/cell),
sealed, maintenance free, 6-9 years,
measurements: 90 x 70 x 107 mm,
T2 (6.3 mm) connector,
weight: 1.8 kg

AGM battery, 12 V 8 Ah (C20),
High Rate Series (high current capacity 29.0 W/15 min, 1.65 V/cell),
sealed, maintenance free, 6-10 years,
measurements: 151 x 65 x 99 mm,
T2 (6.3 mm) connector,
weight: 2.6 kg