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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
OSET 20R 48V 25Ah Lithium Ion Battery Pack Including Smart ChargerHigh quality 25Ah upgrade battery pack to suit all 48V OSET models. This battery pack will DRAMATICALLY improve the handling and performance when compared to the standard SLA (Sealed Lead Acid) batteries. They are less than 1 3rd of the weight, now last up to 5X longer. A high quality 3hr fan cooled smart charger is supplied as standard with this kit. Our lithium battery packs are fully automatic and come ready to use, no need to worry about balancing
High quality 25Ah upgrade battery pack to suit all 48V OSET models. This battery pack will DRAMATICALLY improve the handling and performance when compared to the standard SLA (Sealed Lead Acid) batteries. They are less than 1/3rd of the weight, now last up to 5X longer. A high quality 3hr fan-cooled smart charger is supplied as standard with this kit.
Our lithium battery packs are fully automatic and come ready to use, no need to worry about balancing cells, the built-in battery management system offers the user all the safety features but without the hassle.
Simply plug into the bike using the supplied spade adapter, enjoy, recharge and you're ready to go again.
Summary of Li-Ion advantages compared to Lead Acid
- Higher Voltage in Lithium-Ion over Lead Acid, 3.7v vs 2.0v (almost 2x).
- Greater Energy Density per unit Weight (3x), Volume (6x).
- Lighter / Smaller providing more portability.
- Tolerates Higher Temperatures (60 degC vs 27 degC).
- Faster recharge time, and more time between recharges.
- Higher Charge Efficiency (97% vs 75%).
- More Discharge Cycles (3x).
- Deeper Discharge Tolerance (95% vs 50%) – Can offset cost due to shallow Lead Acid discharge.
- State of Health and the State of Charge can be readily monitored.
- Replacement timeframe, Li-Ion 3-5 years Lead Acid 1.5 - 2 years.
Capacity 21Ah
Approximate Dimensions: 200mm x 175mm x 110mm.
Approximate Weight: 5.2kg.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Stepping out
Size: 11, Color: Brown
If you want to really get nice compliments, I would order these shoes, they are worth the price and stylish.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Great fit
Size: 13, Color: Black
Love these shoes
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Reviewed in the United States on January 13, 2026
★★★★★ 1
Used shoes
I was sent using and damaged shoes
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Reviewed in the United States on March 6, 2026
★★★★★ 5
N/A
Size: 13, Color: Black
Comfortable to wear
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Great value dress shoes with nice detailing
Size: 11, Color: Black, Size: 11, Color: Black
I bought these black dress shoes for an occasional formal wear, and overall I’m quite pleased with them for the price.
Fit & Comfort: The size is accurate (true to size for me). They fit well right out of the box with no major break-in period needed. The pointed toe is a bit more tapered/narrow than I usually prefer, but it’s stylish and not uncomfortably tight. The main downside is the thin padding/insoles — they’re a little firm underfoot. However, this is an easy fix; I’ve already swapped them for better aftermarket insoles and the comfort improved significantly.
Quality & Appearance: The quality is solid for the money. The faux leather has a nice shine, and the crocodile-embossed pattern on the toe cap and sides looks sharp and premium in person (see my photos). Stitching is clean, the sole has decent tread for a dress shoe, and they feel sturdy. No loose threads or cheap-feeling construction. They’ve held up well so far after several wears.
Value: Excellent bang for the buck. They look much more expensive than they cost and are a solid choice if you’re looking for stylish dress shoes without spending a fortune.
Would recommend, especially if you plan to add your own insoles. Perfect for office, weddings, or events where you want to look polished.
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Reviewed in the United States on May 17, 2026