Battery Guides
Practical guides to choosing, measuring and documenting an e-bike or e-scooter battery.
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Battery fitment: measure the odd-shaped space
Got a step, a narrow neck or a frame tube in the way? Show the whole space before deciding how much battery can fit.
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Planning an external battery?
Before the battery size, show us where it will sit. Mounting, moving parts and the cable route need space too.
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Which charger does my battery need?
Plug goes in, steady. Now check if that charger is meant for your battery before switching it on.
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Looking for battery cells? Check the full model
Need one loose cell or a battery for your bike? Different thing lah. Check what you need, then go to the right listing.
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Will the battery fit the space? Measure first lah
“Roughly this big” is how u end up with a battery that fits until the lid goes on. Measure the usable space, including the bits in…
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The photos that help us check your battery
Wah lau, bike photo clear until can see the whole thing. That tiny plug in the corner? Cannot see sia. Send these shots so we can…
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What do the battery numbers mean?
V, Ah, A. Three different things. Don’t compare the biggest number on each listing and hope they mean the same thing.
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Which battery fits my bike?
Same model can use, right? Maybe. Show us the version, battery mount and connector first. Bike name alone is not enough to check fit.
Got a listing or a label to check?
Send it over. Tell us what u ride and what u want to know.