Kronobat ES9-12 · Stationary UPS battery 9Ah AGM
Specifications
| Brand | KRONOBAT |
|---|---|
| Part number | ES9-12 |
| Voltage (V) | 12 |
| Capacity (C20) | 9.0Ah (c20) |
| Technology | AGM |
| Length | 151.00 mm |
| Width | 65.00 mm |
| Height | 100.00 mm |
| Terminal type | F1/F2 |
Kronobat 12V9Ah 12V 9Ah is a stationary battery for backup power systems: UPS, alarms, telecom and emergency lighting. Long float-life under permanent charge and instant response to mains outages with no noticeable voltage drop.
Why this stationary battery?
- Instant responsewhen the mains drop, no voltage dip
- Long life under 24/7 chargeoptimised for permanent service
- Compatible with your systemexisting UPS units and alarm control panels
Where it fits: the Kronobat ES9-12 is one of our batteries for ups / ups, belongs to our Kronobat batteries and by capacity it sits among our 9Ah batteries.

Stationary battery Kronobat Kronobat 12V 9Ah 9Ah 12V
The 12 V, 9 Ah Kronobat Kronobat 12V 9Ah stationary battery with AGM technology is designed for UPS, alarms, telecoms and emergency lighting. Its 151 × 65 × 100 mm make it the exact replacement for the 9 Ah battery fitted as standard to many UPS, alarm and emergency systems.
In short: the Kronobat ES9-12 (9 Ah, 151 × 65 × 102 mm). Verified equivalent alternatives: MK Powered ES7-12FR T2 and MK Powered ES9-12.
- Standard format for UPS and emergency systems.
- Low self-discharge and high reliability.
- Instant response to mains failures.
- AGM: faster recharging and better cycle resistance than a conventional battery.
What the Kronobat Kronobat 12V 9Ah is for
With 9 Ah, the Kronobat Kronobat 12V 9Ah gives your UPS or emergency system the autonomy it needs. Replace all the batteries in the set at once. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 2.69 kg and F1/F2 terminals.
Dimensions, polarity and mounting
The Kronobat Kronobat 12V 9Ah is made in the 151 × 65 × 100 mm format and weighs 2.69 kg. It uses F1/F2 terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
Technology inside the Kronobat Kronobat 12V 9Ah
Within the Kronobat catalogue, the Kronobat 12V 9Ah is the 9 Ah model designed for this application.
AGM (Absorbent Glass Mat) technology seals the electrolyte in glass microfibre. The result is a maintenance-free battery that is highly vibration-resistant and able to withstand deep discharges that would ruin a classic lead-acid battery.
Why choose Kronobat batteries
With Kronobat we offer an own-brand alternative without compromising on quality: European manufacturing, original-equipment controls and the direct backing of baterias.com for warranty and advice. All the Kronobat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Manufacturer's warranty
The Kronobat Kronobat 12V 9Ah comes with the manufacturer's official warranty against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.
Care and maintenance
Replace all the batteries in the set at once and avoid environments continuously above 25 °C. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Shipping, delivery and returns
Order before 6:00 pm with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have 14 days to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.
Kronobat 12V9Ah: best-selling equivalent or higher-spec batteries
The Kronobat 12V9Ah is interchangeable with these equivalent references: ES7-12FR T2 (MK Powered), ES9-12 (MK Powered).
| Product | Specifications | Technology | Price | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kronobat
12V9Ah
This battery
|
12V 9Ah | AGM | 26,20 € | |||||||||||||||||||||
MK Powered
ES7-12FR T2
MK Powered equivalent |
12V 7.2Ah | AGM | 46,95 € +20,75 € | |||||||||||||||||||||
| ||||||||||||||||||||||||
| 12V9Ah | ES7-12FR T2 | |
|---|---|---|
| Capacity | 9 Ah | 7 Ah |
| Cold cranking (EN) | — | — |
| Technology | AGM | AGM |
| Dimensions (mm) | 151 × 65 × 102 | 151 × 65 × 102 |
| Positive terminal | — | — |
| Price | 26,20 € | 46,95 € |
MK Powered
ES9-12
MK Powered equivalent Kronobat 12V9Ah vs MK Powered ES9-12
MK Powered equivalent · +30,20 €
Same case and same fitting as the 12V9Ah, from MK Powered. Compared with the 12V9Ah it has the same Ah and cranking power. It costs 30,20 € more. If you want to save or the 12V9Ah is out of stock, it is the safe alternative: same dimensions, same polarity and official warranty.
| 12V9Ah | ES9-12 | |
|---|---|---|
| Capacity | 9 Ah | 9 Ah |
| Cold cranking (EN) | — | — |
| Technology | AGM | AGM |
| Dimensions (mm) | 151 × 65 × 102 | 151 × 65 × 102 |
| Positive terminal | — | — |
| Price | 26,20 € | 56,40 € |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Other 9Ah batteries: We stock 25 models of 9 Ah to compare by price, technology and cold cranking: see all 9Ah batteries. Same size (151 × 65 × 102 mm): batteries of 151 × 65 × 102 mm.
Recommended accessories
Compatible vehicles
The Kronobat 12V9Ah fits 1125 vehicles. Most searched below:
Frequently asked questions
Is the Kronobat ES9-12 an AGM battery and what are the benefits of AGM?
Yes. AGM (Absorbent Glass Mat) technology, 9 Ah and 12 V: sealed lead-acid, with the electrolyte held in glass fibre. Its advantages: more charge/discharge cycles than a conventional battery and better heat tolerance.
What are the dimensions of the Kronobat ES9-12 battery?
Before buying, measure the space in your device: one extra millimetre can stop the hold-down clamp from closing. The Kronobat ES9-12 takes up 151×65×102 mm (length, width and height, terminals included).
Kronobat 12V9Ah or MK Powered ES7-12FR T2: which one to choose?
It is the verified MK Powered equivalent for the 12V9Ah tray. Compared with the 12V9Ah it has 2 Ah less. It costs 20,75 € more. Decide by price, brand preference and availability: both fit and crank the same.
Kronobat 12V9Ah or MK Powered ES9-12: which one to choose?
Same case and same fitting as the 12V9Ah, from MK Powered. Compared with the 12V9Ah it has the same Ah and cranking power. It costs 30,20 € more. If you want to save or the 12V9Ah is out of stock, it is the safe alternative: same dimensions, same polarity and official warranty.
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