Kronobat

Kronobat ES7-12 · Electric wheelchair battery 12V 7Ah

Reference: BOL-KRONOBAT-ES7-12

Kronobat ES7-12: electric wheelchair battery with 12 V and 7 Ah, measuring 151 × 65 × 102 mm.

Who the Kronobat ES7-12 is for

The Kronobat ES7-12 is made for powered wheelchairs. The ES7-12 is fitted in pairs: two 12 V batteries in series give the chair's 24 V.

The ES7-12 belongs to the Kronobat AGM DEEP CYCLE range. See all Kronobat batteries

What it means that the ES7-12 is AGM

Inside, the ES7-12 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

Kronobat ES7-12 vs ES9-12, ES10-12S and ES5-12: differences

The real differences between the ES7-12 and the closest Kronobat models:

ModelCapacityDimensions (mm)Weight
Kronobat ES7-12 (this one)7 Ah151 × 65 × 1022.39 kg
Kronobat ES9-129 Ah151 × 65 × 1022.69 kg
Kronobat ES10-12S10 Ah151 × 65 × 1143.28 kg
Kronobat ES5-125 Ah90 × 70 × 1091.9 kg
  • Kronobat ES9-12: 2 Ah more, the same dimensions.
  • Kronobat ES10-12S: 3 Ah more, a different height (114 mm instead of 102 mm). It only fits if there is room for 114 mm of height.
  • Kronobat ES5-12: 2 Ah less, a different case (90 × 70 × 109 mm).

Equivalents and alternatives to the Kronobat ES7-12

As the ES7-12 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

ModelTechnologyCapacityDimensions (mm)
MK Battery ES7-12SAAGM7 Ah150.9 × 65 × 102.1
MK Battery ES7-12SA T2AGM7 Ah150.9 × 65 × 102.1
MK Battery ES7-12AGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12FRAGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12FR T2AGM7.2 Ah150.9 × 65 × 102.1
MK Battery ES7-12T2AGM7.2 Ah150.9 × 65 × 102.1

Kronobat ES7-12 codes and part numbers

Shops, garages and catalogues identify the ES7-12 with these codes:

Commercial referenceES7-12
Terminal typeF1 / F2
Not to be confused withKronobat ES3-12 (3 Ah), Kronobat ES5-12 (5 Ah), Kronobat ES7.2-12 (7.2 Ah)

What to look at before buying the ES7-12

  • Capacity of the ES7-12: 7 Ah; the same as your current battery or slightly more is fine.
  • Length, width and height of the ES7-12: 151 × 65 × 102 mm.

Frequently asked questions about the Kronobat ES7-12

Kronobat ES7-12 or ES9-12?

Compared with the ES7-12, the Kronobat ES9-12 has 2 Ah more. With 9 Ah, the ES9-12 runs longer between charges than the ES7-12 (7 Ah). Both measure 151 × 65 × 102 mm, so they fit the same tray.

Kronobat ES7-12 or ES10-12S: what changes?

Mainly the height: the ES7-12 is 102 mm tall and the Kronobat ES10-12S 114 mm, with the same length and width and 10 Ah against 7 Ah. Before choosing between the ES7-12 and the ES10-12S, measure the free height of the battery compartment with the cover or bonnet closed.

How much does the Kronobat ES7-12 weigh?

The ES7-12 weighs 2.39 kg. For reference, the Kronobat ES9-12 (9 Ah) weighs 2.69 kg.

Which battery is equivalent to the Kronobat ES7-12?

Only other AGM batteries with its dimensions and polarity: MK Battery ES7-12SA, MK Battery ES7-12SA T2 and MK Battery ES7-12. Neither an EFB nor a conventional battery replaces the ES7-12.

Which charger does the Kronobat ES7-12 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

Keep comparing: alternatives to the ES7-12

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