# Wheelchair battery MK Powered 8A24 HEI 12V 79Ah AGM ![Wheelchair battery MK Powered 8A24 HEI 12V 79Ah AGM](https://baterias.com/181-home_default/battery-mk-8a24-hei-12v-79ah.jpg) > MK Powered 8A24 HEI wheelchair battery 12V 79Ah AGM. Dimensions 276×166×210 mm. Deep-cycle and sealed, for daily wheelchair and mobility scooter use. **Category:** [Power Wheelchair Batteries](https://baterias.com/gb/batteries-for-electric-wheelchairs) → [MK POWERED](https://baterias.com/gb/mk-powered) - **Canonical URL**: https://baterias.com/gb/battery-mk-8a24-hei-12v-79ah - **Language**: en-GB - **Brand**: MK POWERED - **Reference**: BCOM-MK-8A24 HEI - **MPN**: 8A24 HEI - **Last updated**: 2026-10-28 - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Brand | MK | | Reference | 8A24 HEI | | Model | MK AGM | | Voltage (V) | 12 V | | Largo | 276.9 mm | | Ancho | 166.6 mm | | Alto | 210.1 mm | | Peso | 24.04 kg | | Tecnología | AGM | | Capacity (C20) | 79 Ah (c20) | | Capacity (C5) | 69.2 Ah (c5) | ## Quick description **MK Powered 8A24 HEI 12V 79Ah** 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 wear** handles deep discharges without losing capacity - **Sealed AGM/GEL** no maintenance, no risk of spills - **Thousands of useful cycles** over its full lifetime 🔌 Voltage 12 V ⚡ Capacity 79 Ah C20 📏 Dimensions 276×166×210 mm ⚙️ Technology AGM ⚖️ Weight 24,04 kg 🏷️ Model MK AGM ## Description ## Mobility battery MK Powered 8A24 HEI Mk AGM 79Ah 12V 12*V* Voltage 79*Ah* Capacity 24.04*kg* Weight Designed for power wheelchairs, mobility scooters and light electric vehicles, the **MK Powered 8A24 HEI** from the **Mk AGM** range offers **79 Ah** of deep-cycle capacity with AGM technology. It measures 276 × 166 × 210 mm, the format sought by anyone replacing a 79 Ah battery in power wheelchairs and mobility scooters. - Designed to be discharged and recharged daily without losing capacity. - AGM technology: absorbed electrolyte, no spills, can be mounted at an angle. - Standard replacement format for wheelchairs and scooters. - Thousands of useful cycles over its lifetime. ### Will it fit your current battery tray? It has external dimensions of 276 × 166 × 210 mm and weighs 24.04 kg. 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. ### What the MK Powered 8A24 HEI is for The MK Powered 8A24 HEI is the usual replacement in power wheelchairs, mobility scooters and light electric vehicles. Recharge after each use and avoid leaving it discharged for days. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 24.04 kg. ### The MK Powered 8A24 HEI: Mk AGM range and AGM technology Within the MK Powered catalogue, the **Mk AGM** series groups the references designed for this use. The 8A24 HEI is the 79 Ah model of that family, with the same performance as its siblings in other sizes. AGM means the acid is held in a glass mat instead of floating free. That is why the battery can be installed in the cabin without gases, survives more cycles and recovers its charge quickly. ### MK Powered: the maker behind the 8A24 HEI MK Battery (MK Powered) is the US specialist in AGM and GEL batteries for mobility: power wheelchairs, scooters and medical equipment rely on its batteries for safety and cycle life. All the MK Powered batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty. ### Official warranty The MK Powered 8A24 HEI 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. ### How to make it last longer Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. Recharge the wheelchair or scooter after each use and do not leave it discharged for days: lead sulphates and loses capacity. ### Shipping, delivery and returns Same-day dispatch from our warehouse for in-stock orders placed **before 6:00 pm**: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for **14 days** if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email. ## Frequently asked questions ### Is the MK Powered 8A24 HEI an AGM battery and what are the benefits of AGM? Yes. The 8A24 HEI from MK Powered uses AGM (Absorbent Glass Mat) technology: a sealed lead-acid battery where the electrolyte is absorbed in a glass-fibre mat. It withstands more charge/discharge cycles than a conventional one, handles heat better and is the required technology for devices with advanced Start-Stop and regenerative braking. Expected lifespan: 5-8 years under normal conditions. ### What are the dimensions of the MK Powered 8A24 HEI battery? Dimensions (length × width × height) are 277×167×210 mm — also written as 277x167x210 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals. ## 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 · 2026-10-30*