← All postsBatteries and charging · 23 July 2026 · 2 min read

Why removable batteries win in Africa

A fixed battery ties the bike to a socket. A removable one goes where the power is, and a spare doubles your day.

The removable battery mounted on a Karaa e-bike frame

A removable battery lets the rider take the power source to the socket instead of taking the bike to a charger, and a charged spare can be swapped in within seconds. Every Karaa battery lifts off the frame, and a spare costs UGX 1,000,000.

Battery design sounds like a technical detail until the lights go out. A fixed battery ties the whole bike to wherever the power is. A removable battery goes to the power: into the house, the shop, the kiosk with the solar system, while the bike stays outside working or parked.

How the Karaa battery works

Every Karaa battery is removable. It slides off the frame, weighs about as much as a full jerrycan, and charges from an ordinary wall socket for about UGX 700 per full charge, up to 120 km of range on the Karaa Range battery.

Two batteries, no downtime

Serious riders carry two. A spare battery costs UGX 1,000,000, and the swap takes seconds: one charges while the other earns. A courier doing 150 km days never stops moving; a market trader charges overnight at home where electricity is cheaper than in town.

We are also developing ways for the battery to work as the household’s power bank, running lights or a small water pump when it is off the bike.

Batteries carry a warranty of 500 charge cycles or one year, and replacements are on the shelf in Kampala, not on a ship.

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