Energypak Plus range extender for 2020 bikes

[Leomac7]

Well, the extender gives you another 240whr of battery, so it will definitely add to the range. If you have the old 375whr battery, note that Giant now sells a 500whr battery that is compatible. See: https://www.giant-bicycles.com/us/energypak-smart-compact-500-integrated-battery.

If you're trying to push range, it probably makes sense to turn eco down (default is 100% assistance, but using the app to change it to 75% or 50% boosts range considerably at the expense of assist). I do this when doing longer rides with friends on analog bikes.

The range on the built in computer is completely wrong. I don't know what Giant based it on, but I found I could reliably cut it in half and it was closer to reality.

Yes thanks the figures quoted are a nonsense. I tried using the automatic assist this morning and lost the first charge light at 8.5 miles so clearly it's better to use the bike normally using the assist as you use it. Do you, or anyone else know if the specialised battery extenders work with Giant bikes? What I do find frustrating is that, apart from this site, there's not a great deal of advice out there. I sold my Lappiere bike to a friend and now I'm beginning to regret it purely due to the distances we do.

 

[jabberwocky]

Yes thanks the figures quoted are a nonsense. I tried using the automatic assist this morning and lost the first charge light at 8.5 miles so clearly it's better to use the bike normally using the assist as you use it. Do you, or anyone else know if the specialised battery extenders work with Giant bikes? What I do find frustrating is that, apart from this site, there's not a great deal of advice out there. I sold my Lappiere bike to a friend and now I'm beginning to regret it purely due to the distances we do.

Pretty sure the only thing compatible with Giants ebikes are Giants batteries and extenders. Most manufacturers work that way.

I personally have two of the 375s and the extender for my Revolt; if I take the extra 375 I'm good for 85 miles or so at 100% assist. Electric motor efficiency doesn't really vary very much, so range is pretty much determined by battery capacity and consumption power. If you want to go further you can either add capacity (carry spare batteries, extender, etc) or reduce your consumption (lower assist power and use more legs). You can also lower consumption by doing the same things that help non-e bikes: faster tires, lower weight, adjust riding position to increase aero, etc.

How far are you usually going, and do you have the 2020 with the 375 battery or the 2021 with the 500? How much battery capacity did your old bike have?

 

[Leomac7]

Usually 36 - 42 miles and I have the fast road Ebike with 375 battery but what I don't understand is that my previous bike, which was much heavier, had a range of about 75 miles on a 400W battery. I am also not pleased that this bike doesn't come with a headset. I got used to seeing the range that was available but now I have a cheap phone with the Giant Ride Control app and it doesn't display the range until you stop. Even riding on the lowest power level with the least assist I used 27% of the battery over 11.9 miles - for a bike costing (originally £3000) I don't think that is good enough. Out with my mate this morning and him riding my old bike he still have 34 miles left - me maybe 10. But also the computer on my Lapierre bosch system would adjust the range according to how you rode so it would start off at say 54 and go up to 62 if you rarely used the power - this doesn't have any allowance for this the power just goes down rapidly.

 

[jabberwocky]

75 miles out of 400whr is ~5.3whr per mile. Sounds like you're getting 40ish out of the 375 on the Giant, which would be ~9.4whr per mile. I couldn't really say why consumption is so different. Do you use more assist on the Giant? Ride faster?

Range is a hard thing to estimate. I normally get 30-35 miles out of a 375whr battery, but can stretch it to 50 miles+ if I turn assist down and ride slowly. Or I can kill it in 15 miles or less if I turn assist up and ride max speed. My wife, who is lighter than me, gets more range than I do on the same bike. You gotta figure out where your realistic range is for your riding style yourself.

 

[Leomac7]

Hi, thanks for that. I think I have found the problem, daft as it is. When I first got on this bike I damaged a nerve in my foot from the pedals.
So for 2 months I couldn't ride. getting on it recently it is so impressive and so fast that I was overjoyed with it but.......... in my enthusiasm I
hadn't checked the tyre pressures. They seemed fine but they are very different tyres to anything else I have ridden and on checking them today - although hard to the touch, they were nowhere near the 80 psi recommended. Doh! Also I got through to a Giant cycle shop and the gy there suggested with that with the correct pressure I should achieve around 70 miles. I will let you know in the next few days. :-(

 

[friday10]

I have a brand new one for sale in California if anyone wants it. When I bought it, Giant didn't say that it wouldn't work on my 2019 Trance.

 

[malc101]

It has been a while since this post was updated, but does anyone have an update on their Energy Plus 240WH booster pack? I bought one for my 2021 Trance and have yet to hit the 10 percent main battery switchover level while it is mounted on the bike. I have the 625 main battery on my bike and that give me around 50m with 4,000 ft of steep climbs in places. I pedal pretty hard most of the time and use boost levels of 1 or 2, with both of those set to their mid settings via the Giant app.

I was wondering about two things. The 240WH booster must be a 10S2P cell configuration, which means that the cells will have to work extra hard compared to the 10S5P configuration in the main battery. What kind of range does this add? Additionally, there is no way to maintain it at the typical 70 percent or so level when not using it, since I charge the battery to full in anticipation of using it, and if I don't then it sits there at full charge. They should provide some method to bleed it down to a good storage level.

Any info would be greatly appreciated. thanks!

 

[Ken king]

I’m new to this folks so bear with me, been reading on the forum about the giant range extender, I have a 2021 giant fast road with a 375 battery, I bought it fully aware that range might be a problem, it’s a leisure bike so the 100 mile run was always going to be difficult, some seem to be disappointed with the range, we are all different when it comes to cycling, and no to routes are the same, it will never be even when it comes to range, I’m 75, 15st, and fairly fit, so this is what I do, it’s simple, I take the charger, especially when the mates say (we may go off piste today) in other words a route I maybe don’t know that well or one that is a bit hilly, or maybe just a longer run, now here’s the thing, we always stop for coffee and in NI I don’t know of any coffee shops who won’t let you PLUG IN, now I should say we don’t ever do the 100 miler, but we can do around 60, so start with a full battery, ride on ECO when you can, take the charger, and between 50 and 70 is no problem.

 

[Ken king]

I’m new to this folks so bear with me, been reading on the forum about the giant range extender, I have a 2021 giant fast road with a 375 battery, I bought it fully aware that range might be a problem, it’s a leisure bike so the 100 mile run was always going to be difficult, some seem to be disappointed with the range, we are all different when it comes to cycling, and no to routes are the same, it will never be even when it comes to range, I’m 75, 15st, and fairly fit, so this is what I do, it’s simple, I take the charger, especially when the mates say (we may go off piste today) in other words a route I maybe don’t know that well or one that is a bit hilly, or maybe just a longer run, now here’s the thing, we always stop for coffee and in NI I don’t know of any coffee shops who won’t let you PLUG IN, now I should say we don’t ever do the 100 miler, but we can do around 60, so start with a full battery, ride on ECO when you can, take the charger, and between 50 and 70 is no problem.

Thanks Frank, I should have also said that the charger soon puts on a bar or two, and I carry it in a bar bag,

 

[Sefutau2020]

Greetings. I have the 2021/22 Giant Fastroad ex pro, and was wondering where is the best place to get the range extender. In 50% assist (eco), I can easily get close to 100 miles on a full charge....that drops to 50 miles when I use the default ECO, my personal preference. In theory, the range extender would give me another 25 miles. I see them online for roughly $550.00. Thanks.

 

[jabberwocky]

I'd check with your local shop you bought the bike from first, otherwise online. Giant has had them for sale on their gear store in the past, but I don't see it currently. Search for EnergyPak Plus, thats what Giant calls it.