# MK AGM batteries > MK AGM batteries for power wheelchairs and mobility scooters: 33-92 Ah, approved by Permobil, Invacare and Sunrise Medical. Dispatched within 24h, 14-day returns. **Category:** [Start](https://baterias.com/gb/) → [Batteries](https://baterias.com/gb/batteries) → [MK batteries](https://baterias.com/gb/batteries-mk) - **Canonical URL**: https://baterias.com/gb/batteries-mk-agm - **Language**: en-GB ## Description **MK AGM batteries** are the sealed batteries from MK Battery (East Penn group) approved by the leading wheelchair manufacturers: Permobil, Invacare, Sunrise Medical and Pride Mobility. Range from 33 to 92 Ah. If you need an **MK battery for a wheelchair** or mobility scooter, the AGM series is the balanced choice: sealed and maintenance-free, spill-proof, with strong current delivery and a sharper price than gel for moderate use. ## MK AGM: the mobility battery approved by wheelchair manufacturers **MK Battery**, part of the East Penn group, is the American mobility battery specialist: its AGM range is approved by Permobil, Invacare, Sunrise Medical and Pride Mobility, and comes factory-fitted in many power wheelchairs and scooters. They are sealed VRLA batteries: maintenance-free, spill-proof and suitable for transport. ### MK AGM models and applications - **MK 8AU1** (33 Ah): small mobility scooter. - **MK 8A22NF** (55 Ah): mid-size mobility scooter. - **MK 8A24** (74 Ah): standard power wheelchair. - **MK 8A27** (92 Ah): bariatric chair and demanding equipment. ### How to choose: AGM or GEL for your wheelchair? AGM is the balanced option for moderate use: good price and strong current delivery. If you use the chair daily and drain most of the charge, consider the MK GEL range, with more life cycles. 24 V equipment runs two 12 V batteries in series, best renewed as a pair; compare references in our [battery comparator](https://baterias.com/gb/comparator). ## Frequently asked questions about MK AGM batteries ### **Are MK batteries compatible with my Permobil or Invacare chair?** Yes. MK Battery is approved by Permobil, Invacare, Sunrise Medical and Pride Mobility; just pick the reference with the same capacity (Ah) and dimensions as the original battery. ### **AGM or GEL for a power wheelchair?** AGM for moderate or seasonal use: it costs less and delivers current well. GEL for intensive daily use: it withstands more deep discharge cycles. ### **How many batteries does a power wheelchair need?** Most run at 24 V with two 12 V batteries connected in series. They should always be replaced in pairs so they work in balance. ### **Which MK AGM model fits my equipment?** As a guide: 8AU1 (33 Ah) for a small scooter, 8A22NF (55 Ah) for a mid-size scooter, 8A24 (74 Ah) for a standard chair and 8A27 (92 Ah) for a bariatric chair. Catalogue curated by our technical team. **12,195 Trustpilot reviews · 4.5/5**. 24-48 h delivery in mainland Spain and Portugal (orders before 6:00 pm); 14-day returns with free collection on the Iberian mainland. ## Products in this category | Product | Brand | Price | |---|---|---| | [Wheelchair battery MK Powered ES12-12 12V 12Ah AGM](https://baterias.com/gb/battery-mk-es12-12-agm-12v-12ah) | MK POWERED | 55,10 € | | [Wheelchair battery MK Powered ES22-12 12V 22Ah AGM](https://baterias.com/gb/battery-mk-es22-12-agm-12v-22ah) | MK POWERED | 54,10 € | | [Wheelchair battery MK Powered ES20-12C FT 12V 20Ah AGM](https://baterias.com/gb/battery-mk-es20-12cft-agm-12v-20ah) | MK POWERED | 53,70 € | | [Wheelchair battery MK Powered MU-1 SLD M 12V 35Ah AGM](https://baterias.com/gb/battery-mk-mu-1-sld-m-12v-35ah) | MK POWERED | 82,70 € | | [Wheelchair battery MK Powered ES14-12 12V 14Ah AGM](https://baterias.com/gb/battery-mk-es14-12-agm-12v-14ah) | MK POWERED | 76,95 € | | [Wheelchair battery MK Powered ES1.2-12 12V 1.2Ah AGM](https://baterias.com/gb/battery-mk-es12-12-agm-12v-1-2ah) | MK POWERED | 25,60 € | | [Wheelchair battery MK Powered ES1.9-12 12V 2.3Ah AGM](https://baterias.com/gb/battery-mk-es19-12-agm-12v-2-3ah) | MK POWERED | 30,30 € | | [Wheelchair battery MK Powered ES7-12 12V 7.2Ah AGM](https://baterias.com/gb/battery-mk-es7-12-agm-12v-7-2ah) | MK POWERED | 41,90 € | | [Wheelchair battery MK Powered ES17-12 12V 18Ah AGM](https://baterias.com/gb/battery-mk-es17-12-agm-12v-18ah) | MK POWERED | 81,40 € | | [Wheelchair battery MK Powered M50-12 SLD M 12V 50Ah AGM](https://baterias.com/gb/battery-mk-m50-12-sld-m-agm-12v-50ah) | MK POWERED | 154,90 € | | [Wheelchair battery MK Powered ES2.9-12 12V 2.9Ah AGM](https://baterias.com/gb/battery-mk-es29-12-agm-12v-2-9ah) | MK POWERED | 41,40 € | | [Wheelchair battery MK Powered ES4-6 6V 4.5Ah AGM](https://baterias.com/gb/battery-mk-es4-6-agm-6v-4-5ah) | MK POWERED | 23,40 € | | [Wheelchair battery MK Powered ES20-12C 12V 20Ah AGM](https://baterias.com/gb/battery-mk-es20-12c-12v-20ah) | MK POWERED | 65,20 € | | [Wheelchair battery MK Powered ES3-6 6V 3Ah AGM](https://baterias.com/gb/battery-mk-es3-6-agm-6v-3ah) | MK POWERED | 31,95 € | | [Wheelchair battery MK Powered MU-1 SLD M-2 12V 35Ah AGM](https://baterias.com/gb/battery-mk-mu-1-sld-m-2-agm-12v-35ah) | MK POWERED | 141,60 € | ## Technical team (editorial authorship) The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2012. → https://baterias.com/gb/technical-team --- *baterias.com — Automotive batteries · 2026-10-25*