OEM China High quality Cheap Electric Bicycle (EB-070) to Peru Manufacturers

OEM China High quality
 Cheap Electric Bicycle (EB-070) to Peru Manufacturers

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OEM China High quality Cheap Electric Bicycle (EB-070) to Peru Manufacturers Detail:


Electronic specification
Motor brushless hub motor 250W
Battery 36V12AH/48V sealed lead-acid battery All battery with electric protection circuit
Dashboard  common meter
Controller Brushless controller
Charge AC 110V-240V  50/60HZ
Charging time 6-8 hours
Lamp LED
Performance & Main components
Max.speed 25km/h (EU) 25km/h(USA&Canada) ; 32km/h(Europe)
Range 40km(36V12AH)
Max load 120KGS100KGS
Tyres 24″x1.75
Product colour customer’s request
Front brake V brake
Front fork steel with suspension
Rear brake Expanding brake
Brake lever cut-off when braking
PAS with pedal
Throttle Twist intelligent speed control
Unit packaging Each in Color Box
N.W/G.W 36 kgs/40  kgs(  36V12AH)
Qty / Export carton 1   pc /ctn
Export carton dimension 150×26×74CM
1×20′footer FCL quantity 92 pcs
1×40′footer FCL quantity 184pcs
1X40′HQ 202pcs
Optional Parts
 Helmet +USD6.5
Tool Kits +USD2

The price above are based on FOB Ningbo(Zhejiang Province,China).

The quotation is valid within 15 days, we reserve the right to modify the prices if needed.

The prices above are for your reference only, it is subject to our final confirmation.


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OEM China High quality
 Cheap Electric Bicycle (EB-070) to Peru Manufacturers detail pictures

OEM China High quality Cheap Electric Bicycle (EB-070) to Peru Manufacturers, The product will supply to all over the world, such as: , , ,

  • 動作確認:Panasonic製ACサーボモータアンプ(MSDA5A5A1A)と接続し、内部確認動作(JOG運転)にて正転、逆転の確認しました。


    What’s inside a lithium polymer battery pack? Not much. In this case, six pouch cells with 5.8Ah (amp-hours) nominal capacity, nominal voltage is 3.7V (volts) per cell, making this a 22.2V battery pack since all cells are connected in series.

    The “C” rating shown on the pack is a claim by the manufacturer, telling the maximum operating current that can (supposedly) be drawn from this battery. Manufacturers often additionally claim even higher numbers for short periods of time, calling that the “burst” current. The “30 C” rating stated on this pack allows for up to 174A to be drawn without damaging the pack (30 times nominal capacity), but no claim for a “burst” current is made.

    In reality, many packs do not live up to their specs but the user never notices since only very short peak currents are drawn. When stressed to the limits or beyond, the tabs on these batteries burn off, de-facto acting as a fuse. When burning through tabs, batteries can catch fire. There are many videos on Youtube showing lipo fires, some of which are very vicious.

    Use extreme caution when working with lipo batteries. Store them in a place that would allow them to burn without setting your house on fire. Lipo batteries (many different brands) have been known to catch fire a day after having fallen to the ground, not having shown damage.

    Never charge without supervision. Use only appropriate chargers. Never over-charge. Never over-discharge.

    The battery shown in this video was used by me from 3.5V per cell (which I consider as empty) to 4.2V (full). Many users allow for more discharge, down to 2.8V to get a bit more capacity from their batteries, but the deeper the discharge, the shorter is the battery’s life time. I have had lipo batteries that I never discharged below 3.5 V and never charged to more than 4.1V and reached more than 1000 charge-discharge cycles with almost no noticable capacity degradation.

    Armed forces using lipo batteries spec these for use with less than the nameplate rated maximum voltage for exactly the same reason: They want these batteries to last for thousands of charge/discharge cycles. Using a 4.22V (max) rated lipo to a max charge voltage of only 4.1V does achieve a noticeable lifetime improvement. But it comes at the expense of having just 80 to 90% of the nominal capacity available. Given how vastly better lipo batteries are (weight, power, energy) compared to older technologies, that is an acceptable drawback.

    The dissected pack in the video had one bad cell that always dropped to my low-volt threshold way earlier than the other cells in the pack. The most reliable way I found to identify bad cells in these packs is to charge the pack (to 4V or 4.1V per cell) and let it sit for a long time. Good cells (in good quality batteries at least) show extremely little drop in voltage, bad ones can lose 0.1V or even 0.2V per week. There is no way to fix them that I know of.

    My attempt to take out the bad cell ended in the destruction of most of the other cells. I’m sure there are people out there who know how to do a better job than I did. My money is on dental floss to separate pouches without damaging them. I’m sure I’ll find it on Youtube, if not now then maybe soon.

    [Edit 2016] – *Best solvent to separate cells* is white gas, a.k.a. camp stove fuel, a.k.a. white gas or naphtha. It doesn’t stink too much, and I always have some ready with my camping gear. WD40 works too, but is smeary. And I’m sure there are others that work just fine.

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