Basil neoprene battery cover for Shimano rear rack battery

The Basil neoprene battery cover for Shimano rear rack battery from Basil is a neoprene battery cover and a bicycle cover for outdoor storage, designed to keep Shimano Steps rear rack batteries tempered when parked at the station or in shared bicycle parking, so range and performance are preserved in cold weather.

Why this cover is a good choice

• Better operation in the cold: 4.5 mm neoprene helps keep the battery tempered, so range and performance improve at lower temperatures
• Preserves battery life: insulation and soft padding reduce temperature stress and lower the risk of impact damage
• Practical access: cut-outs make it possible to read battery status and use controls without removing the cover
• Secure fit: close-fitting design for rear rack batteries around 10 × 29 × 4 cm makes it easy to pull on and leave on alone

Fit and measurements

The cover is made for Shimano Steps rear rack batteries with approximate dimensions of about 10 × 29 × 4 cm. The measurements mean it fits closely around the battery on e-bikes with a rear rack, without loose flaps or extra fittings.

Features and materials

Material: neoprene with approx. 4.5 mm insulation that protects the battery from cold exposure and provides a soft barrier against impact. The design has cut-outs for reading battery status, so you can check the level and use the controls without taking the cover off.

Use and storage

Use the cover when your e-bike is parked outdoors, for example by the train, in the yard or on the balcony in winter, to reduce capacity loss in cold weather. When you store the battery indoors, the cover can be kept dry and folded in a drawer or bag.

Frequently asked questions

Does this battery cover fit my battery of 10 × 29 × 4 cm?
Yes, the cover is made for batteries with approximate dimensions of about 10 × 29 × 4 cm.

How is the cover attached to the battery?
It is pulled over the battery and fits closely around the rear rack battery thanks to the shape and elasticity of the neoprene, without extra straps.

What material is the cover made of?
Neoprene with approximately 4.5 mm insulation, intended to reduce cold exposure and provide shock absorption.

Related guides

• Extra protection for e-bikes – battery, motor and display covers
• Bicycle cover? What should you choose?

If you are unsure what to look for, you can benefit from reading our advice on what to look for when choosing your cover. Also remember to read our maintenance/care guide.