# Can I add a second battery to my ebike?

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## Can I put a bigger battery on my ebike?

Adding more cells to the pack could be a problem with the motor voltage limit but most can handle more. It can also cause charging problems. So if you really want more range and speed you should buy a new high end model E bicycle. With lots of battery progress they cost less and go further.

## Can you connect batteries in parallel with different amp hours?

You cannot connect batteries of different amp-hours in series with good results. We strongly recommend you DO NOT attempt to mix battery sizes (amp-hours) and connect together. … This will cause the highest voltage battery to charge the lowest voltage battery attempting to create balance in the circuit.

## Can I upgrade my bike battery?

There is little to no harm in upgrading to a bigger battery. As a bigger battery keeps the AMP draw lower while keeping the voltage higher. * Don’t upgrade to a battery which doesn’t supply 12 volts: 12 volts batteries are standard on almost all vehicles and actually provide up to 13 volts when fully charged.

## Can you charge 2 batteries in parallel?

Two Batteries in Parallel, One Charger

Batteries connected in series strings can also be recharged by a single charger having the same nominal charging voltage output as the nominal battery pack voltage. … The purpose of this wire is to balance the voltage drop evenly across both batteries and each wire during charging.

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## What happens if you put two batteries in parallel?

When two or more batteries are placed in parallel, the voltage in the circuit is the same as each individual battery. That is two, three, four or more 1.5 volt batteries in parallel will produce a voltage of 1.5 Volts!

## Do batteries in parallel last longer?

When batteries are hooked up in parallel, the voltage remains the same, but the power (or available current) is increased. This means that the batteries would last longer. For example two – 6 Volt batteries connected in parallel would still produce 6 Volts.

## Is it better to charge batteries in series or parallel?

Wiring in series does not affect the amp hours (overall capacity) of a system of batteries, just how must power it can output at once. … Connecting in parallel stacks up the amp hours of each battery, allowing for a longer use.

## What is the advantage of connecting batteries in parallel?

Connecting batteries in parallel increases total current capacity by decreasing total resistance, and it also increases overall amp-hour capacity. All batteries in a parallel bank must have the same voltage rating. Batteries can be damaged by excessive cycling and overcharging.