Kronobat ES50-12 · Wheelchair battery 50Ah AGM
Specifications
| Brand | KRONOBAT |
|---|---|
| Part number | ES50-12 |
| Voltage (V) | 12 |
| Capacity (C20) | 50Ah (c20) |
| Technology | AGM |
| Length | 198.00 mm |
| Width | 166.00 mm |
| Height | 171.00 mm |
| Weight | 15.06 Kgs |
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Kronobat ES50-12 12V 50Ah is a deep-cycle battery for wheelchairs and mobility scooters, optimised to be discharged and recharged daily down to 80 % DOD without losing range.
Why this wheelchair battery?
- Daily cycling without wearhandles deep discharges without losing capacity
- Sealed AGM/GELno maintenance, no risk of spills
- Thousands of useful cyclesover its full lifetime
Where it fits: the Kronobat ES50-12 is one of our mobility vehicle batteries, belongs to our Kronobat batteries and by capacity it sits among our 50Ah batteries.

Mobility battery Kronobat ES50-12 AGM Deep Cycle 50Ah 12V
Designed for power wheelchairs, mobility scooters and light electric vehicles, the Kronobat ES50-12 from the AGM Deep Cycle range offers 50 Ah of deep-cycle capacity with AGM technology. Measuring 198 × 166 × 171 mm, it is the direct replacement for power wheelchairs and mobility scooters fitted from the factory with a 50 Ah battery of this format.
In short: the Kronobat ES50-12 (50 Ah, 198 × 166 × 171 mm). Verified equivalent alternatives: MK Powered M50-12 SLD M and Q-battery 12LCP-50.
- No maintenance, no water top-ups.
- Approved for air and sea transport (VRLA).
- AGM: faster recharging and better cycle resistance than a conventional battery.
- Sealed AGM/GEL: safe indoors and in transport.
What the Kronobat ES50-12 is for
The Kronobat ES50-12 is designed for power wheelchairs, mobility scooters and light electric vehicles. Wheelchairs and scooters normally use two identical batteries in series: replace them together. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 15.06 kg and M6 terminals.
Will it fit your current battery tray?
It has external dimensions of 198 × 166 × 171 mm and weighs 15.06 kg. It uses M6 terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.
Why choose Kronobat batteries
Kronobat is the exclusive brand of baterias.com: batteries made to the same production standards as the leading brands, with a value for money that is hard to match and an official warranty. All the Kronobat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
The Kronobat ES50-12: AGM Deep Cycle range and AGM technology
The ES50-12 is part of the Kronobat AGM Deep Cycle range. Choosing the right reference within the series comes down to capacity, dimensions and terminals: technology and quality are common to the whole family.
In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.
How to make it last longer
Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.
Official warranty
The Kronobat ES50-12 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.
Delivery times 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 ES50-12: best-selling equivalent or higher-spec batteries
The Kronobat ES50-12 is interchangeable with these equivalent references: M50-12 SLD M (MK Powered), BATTERY-12LCP-50 (Q-battery).
| Product | Specifications | Technology | Price | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kronobat
ES50-12
This battery
|
12V 50Ah | AGM | ||||||||||||||||||||||
MK Powered
M50-12 SLD M
MK Powered equivalent |
12V 50Ah | AGM | €154.90 +€154.90 | |||||||||||||||||||||
| ||||||||||||||||||||||||
| ES50-12 | M50-12 SLD M | |
|---|---|---|
| Capacity | 50 Ah | 50 Ah |
| Cold cranking (EN) | — | — |
| Technology | AGM | AGM |
| Dimensions (mm) | 198 × 166 × 171 | 199 × 166 × 171 |
| Positive terminal | — | — |
| Price | €154.90 |
Q-battery
BATTERY-12LCP-50
Q-battery equivalent Kronobat ES50-12 vs Q-battery BATTERY-12LCP-50
Q-battery equivalent · +€200.10
It is the verified Q-battery equivalent for the ES50-12 tray. Compared with the ES50-12 it has the same Ah and cranking power. It costs €200.10 more. Decide by price, brand preference and availability: both fit and crank the same.
| ES50-12 | BATTERY-12LCP-50 | |
|---|---|---|
| Capacity | 50 Ah | 50 Ah |
| Cold cranking (EN) | — | — |
| Technology | AGM | AGM |
| Dimensions (mm) | 198 × 166 × 171 | 198 × 166 × 171 |
| Positive terminal | — | — |
| Price | €200.10 |
Equivalences verified by our technical team: same dimensions, polarity, capacity and CCA. Official manufacturer warranty on every option.
Other 50Ah batteries: We stock 41 models of 50 Ah to compare by price, technology and cold cranking: see all 50Ah batteries. Same size (198 × 166 × 171 mm): batteries of 198 × 166 × 171 mm.
Recommended accessories
Compatible vehicles
The Kronobat ES50-12 fits 24 vehicles. Most searched below:
Frequently asked questions
Is this battery AGM? What is it for?
Yes. AGM (Absorbent Glass Mat) technology, 50 Ah and 12 V: sealed lead-acid, with the electrolyte held in glass fibre. It tolerates heat better and handles more cycles than a conventional battery.
What are the dimensions of the Kronobat ES50-12 battery?
Measure the battery tray before ordering: a one-millimetre difference is enough for the hold-down clamp not to close. It measures 198×166×171 mm in length × width × height, with the terminals included in the height.
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