Ritar RA12-40B · Wheelchair battery 42Ah AGM

Leisure battery Ritar RA12-40B RA 42Ah 12V

The Ritar RA12-40B with AGM technology stores 42 Ah at 12 V: autonomy for motorhomes, caravans and campers that need power off-grid. It measures 198 × 166 × 171 mm, the format sought by anyone replacing a 42 Ah battery in motorhomes and caravans.

In short: the Ritar RA12-40B (42 Ah, 198 × 166 × 171 mm). Verified equivalent alternatives: Fullriver DCG40-12 and MK Powered M50-12 SLD M.

• Power for fridge, lighting, water pump and USB off-grid.
• AGM technology: absorbed electrolyte, no spills, can be mounted at an angle.
• Low self-discharge during months of storage.
• Sealed and gas-free: suitable for installation inside the living area.

What the Ritar RA12-40B is for

The Ritar RA12-40B is designed for motorhomes, caravans and campers that need power off-grid: it powers fridge, lights, pump and chargers for several days off-grid. Its 42 Ah capacity sets the available autonomy. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 11.50 kg and M6 terminals.

The Ritar RA12-40B: RA range and AGM technology

The RA is the Ritar range the RA12-40B belongs to: it shares the same construction and quality criteria with the rest of the series, and varies in capacity and format to suit each vehicle.

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.

Will it fit your current battery tray?

It has external dimensions of 198 × 166 × 171 mm and weighs 11.50 kg. It uses M6 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.

Ritar: the maker behind the RA12-40B

With more than twenty years making sealed lead batteries, Ritar offers general-purpose, long-life, high-rate and front-terminal ranges for every stationary application. At baterias.com we work directly with the manufacturer or its official distributor: real stock, brand-new product and official warranty.

How to make it last longer

During months of storage, keep it charged with a mains charger or a small solar panel; a battery left discharged for weeks loses capacity permanently. Charge with a charger that has an AGM mode: it limits the voltage and protects the glass-fibre separators.

Warranty and coverage

The Ritar RA12-40B comes with the manufacturer's official warranty against manufacturing defects. Avoid repeated full discharges: they shorten its life and are not covered.

Shipping, delivery and returns

Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.