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Availability:
Only 2 left in stock, order soon!
Arrives
Saturday, Nov 14
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At a glance
- Condition
- New
- Set
- 48V 25Ah(L*/G Cell)
- Model
- YW-4825
- Number of Batteries
- 4 AA batteries required.
- Battery Capacity
- 25 Ah
- Battery Weight
- 6 kg
- Battery Cell Type
- Lithium Ion
- In the box
- Headlight
- Warranty
- 1years warranty
Features 5
- [Advanced Battery Management System]The e-bike battery boasts an 40A integrated Smart Battery Management System (BMS), which plays a crucial part in meticulously managing power consumption to extend battery life. Acting as a vigilant protector, this advanced system safeguards the battery from short circuits, excessive currents, ensuring the battery operates at peak efficiency while maintaining inherent safety standards
- [Battery Cell & Dimension] Built in L*/G 5000mah battery cell, this 48V 25AH ebike battery, suitable for 1500W/1200W/1000W/750W/500W motor(50W-1800W) motor, boasting a charging cycle that surpasses 1000 instances. Dimension: 368*96*156mm(14.5*3.8*6.14inch)
- [Safe Lock & Led Battery Level Light]This ebike battery design facilitates effortless removal for convenient charging both at home or while on the go. To safeguard your investment, a robust locking mechanism with keys is in place, effectively deterring theft by securely anchoring the battery to the bike frame.
- [Extended Range].This 48V25Ah battery provides consitant power up to 36-54 miles under the 23mph cycling (varies by motor power), perfect for daily commutes and long rides.No recycled cellsensures 1000+ cycles with 80% capacity retention for long-term reliability.Please confirm your device voltage is 48V or 52V
- [Wide compatibility]Whether you have a electric bike conversion kit or want to upgrade your existing bike/scooter/tricycle/motorcycle, our ebike battery is the perfect choice. It is designed to seamlessly integrate with ebike conversion kits and provide efficient power delivery. It can fit with most bike frame.
Description
Varstrom creates high‑performance e‑bike conversion systems, offering mid‑mount & hub motor kits, smart displays, batteries and essential components. More than a supplier, we aim to be your trusted ride partner. Through innovation and meticulous craftsmanship, we deliver remarkable power, responsive performance and freedom for global riders. Favored by DIY tinkerers and pros on Amazon, Varstrom reshapes electric riding experiences.
Specs 8
| Number of Batteries | 4 AA batteries required. |
|---|---|
| Brand | Varstrom |
| Battery Cell Composition | Lithium Ion |
| Battery Capacity | 25 Ah |
| Model Name | YW-4825 |
| Manufacturer | Varstrom |
| Battery Weight | 6 kg |
| Battery Cell Type | Lithium Ion |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Nov 14
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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Top Amazon Reviews
Pretty much as advertised
Set name: 52V 25Ah(L*/G Cell)
Editing my review to 5 stars from 4. So far I have been impressed with this battery. I have about 150 miles on it (83 of them are very hard mountain trails, lots of rocks/roots/sand). I have been stressing it as much as a bafang BBSHD can. I have been riding mostly like a dirt bike with throttle only, so the battery never really gets a rest. One ride I got about 26 miles in and when I got back to camp I measured the voltage and it was still on the high end of 52 volts. If I was going to take away a star it would be for the fact that so far the battery has not charged above 58.3 volts. Not sure if it is the charger or the batteries BMS cutting it short. I have tested the charger and it shows it is putting out 58.8, so I think it is the battery. While it would be nice to have that last half a volt just for the “oomph” factor, I have not had a situation where it has mattered on range. I have not had a ride yet where I didn’t reach my destination or hit a point where I was just done having fun and be anywhere near exhausting the battery. Very happy with this purchase. It is heavy enough I would suggest getting a bottle bob and using the hose clamps with the screws. I took a couple spills and I am pretty confident if I was just using the battery holder as the only support that it would have snapped off the frame. This seller should offer the additional attachment as a package option.
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Reviewed in the United States on June 24, 2026 by Juando290
Love it
Set name: 48V 25Ah(L*/G Cell)
Battery last so much longer. My other one that was the cheapest going ti work n home id be down to 32%,this one same distance it was at 98% still full.
Reviewed in the United States on August 22, 2026 by Darla
Nice product
Set name: 48V 20Ah(L*/G Cell)
Amazing battery. I was riding it on two bars and it didn't go down one bit (I was riding for about 30mins to a hour). Even going up hills didn't bring it down, definitely worth the price.
Reviewed in the United States on October 11, 2026 by braylen
Excellent Power Output of 40Amp Continues, easy replacement and Power UP GRADE of Dealer stuff
Set name: 48V 25Ah(L*/G Cell)
Excellent Performance high 40 Amp continues power output that is real has every bit of the claimed power rated I replaced my Amyet S8 stock Battery due to weird power drops I installed this Big Boy and OH BOY what a difference Perfect no more weird power dips and having to head home early. I also noticed this Battery will work on my 26'' Dual drive Keteles as I had hoped it would If I needed another Battery I would buy again. I have it installed on the Amyet S8 strapped down tight no wobbling 2'' strap Velcro bought on-line about 10 bucks or less.
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Reviewed in the United States on April 26, 2026 by jeff
Best battery on the market
Set name: 48V 25Ah(L*/G Cell)
The battery works great. The staff are quick to respond if you have any issues or concerns. They want to help you the best they can. The battery is a perfect fit for my e-bike. The charger is quiet and fast charging. I say try order this battery and save money and get a great battery.
Reviewed in the United States on September 16, 2026 by Jah
Nice battery for bike
Set name: 48V 20Ah(L*/G Cell)
First class! well built, well designed and packed excellent.
Reviewed in the United States on September 25, 2026 by Prairiewolf
Bad Range
Set name: 48V 30Ah(L*/G Cell)
no range and charger is horrible more like 20ah not 30
Reviewed in the United States on October 4, 2026 by Harper
electrify your bike
Set name: 48V 13Ah
Replacement works as intended, comes with mounting bracket, wires and keys. warning it is not waterproof, do not mount it upside down bc water can catch and pool in the shell!
Reviewed in the United States on May 6, 2026 by Amazon Customer