YS YOSE POWER 48V 10.4Ah E-Bike Battery: Does This Replacement Fit Your Vivi Electric Bike in 2026?
The YS YOSE POWER 48V 10.4Ah e-bike battery delivers 499Wh capacity with 20A BMS protection for Vivi F26F and H8 electric bikes, covering 38-125 km per charge via 4-pin connector at $259.89.
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Best For
How this e-bike scores for different riding styles
The battery weighs 10.1 lbs and measures 15.6x3.7x3.6 inches, making it moderately portable as a component. However, it's designed for fixed installation on a bike frame, not independent portability.
This is a replacement battery component, not a complete e-bike. It lacks the motor, frame, wheels, and controls needed for commuting. It only provides power storage for compatible Vivi models.
This replacement battery enables recreational riding only when installed on a compatible Vivi F26F or H8 e-bike. The 38-125 km range with PAS supports leisurely rides, but the product itself is not a complete leisure bike.
As a standalone battery replacement part, this product cannot be used for off-road riding. It requires a complete Vivi e-bike system to function. The 48V 10.4Ah capacity suits motors up to 750W when properly installed.
The battery's 750W motor compatibility and 499Wh capacity provide adequate power for utility tasks, but cargo capability depends entirely on the host bike's frame and design, which this product does not include.
Limited to 750W motor compatibility and 20A max discharge current, this battery falls short of high-performance requirements. True performance e-bikes typically use 1000W+ motors with higher capacity batteries exceeding 700Wh.
Our Verdict
The YS YOSE POWER 48V 10.4Ah replacement e-bike battery is purpose-built for Vivi F26F HL085 and new H8 4-pin electric bike models. It stores 499Wh of energy through 48V lithium cells, supporting motors up to 750W peak torque output with a 10A standard discharge rate and 20A BMS ceiling.
Range spans 38-125 km depending on pedal assist level, rider weight, and terrain gradient — hill climbing reduces range toward the lower end while flat city commuting or trail riding at lower assist levels approaches the upper limit. The included 54.6V 2A charger restores full capacity in approximately 5 hours, with watt-hours and amp-hours visible via LED status indicators on the red power switch.
At 10.1 lbs and 15.6 x 3.7 x 3.6 inches, the YS YOSE POWER battery mounts to standard Vivi down-tube frames via a keyed lock mechanism that resists theft. Installation involves sliding the unit onto the holder base with no additional tools required. The package includes charger, mounting hardware, two keys, and spare fuses.
The 18-month warranty covers cell defects and manufacturing faults. Compatibility is restricted to 4-pin Vivi connector configurations — older 2-pin or 3-pin Vivi models require a different replacement unit entirely.
What We Like
- 499Wh total energy (48V × 10.4Ah) supports 38-125 km range across city commute, trail, and flat terrain riding
- 20A BMS protection covers short circuit, overcharge, overdischarge, and temperature extremes for safer charging cycles
- Supports motors up to 750W peak with 10A standard discharge, adequate for 3-5 pedal assist levels on most Vivi frames
- Keyed lock mechanism and integrated red power switch with LED indicators reduce battery theft risk during city parking
- 18-month cell warranty and 30-day return window included at $259.89, covering manufacturing defects
What Could Be Better
- Only fits Vivi F26F HL085 and new H8 4-pin electric bike models — incompatible with older 2-pin or 3-pin Vivi connector types
- 499Wh capacity falls 20% below the 624Wh category average for modern replacement e-bike batteries in this price range
- At 10.1 lbs, adds more frame weight than sub-8 lb lithium alternatives, affecting acceleration and hill climbing agility
- 20A max discharge limits compatibility to motors at or below 750W — high-torque motors above 1000W require a higher-rated battery
- No USB-A or USB-C charging port integrated into the battery housing for device charging during rides
Standout Features
Frequently Asked Questions
Common questions aboutYS YOSE POWER 48V Ebike Battery Compatible with Viviebikes Vivi Electric Bike 48V 10.4Ah Lithium Batttery Pack for F26F H8 4pins Ebike Battery Replacement
What Vivi e-bike models work with this battery?
This battery fits Vivi F26F HL085 and H8 new style models with 4-pin connectors. Older Vivi models with 2-pin or 3-pin systems need different batteries. Check your current battery connector before ordering.
How long does the battery take to fully charge?
The included 54.6V 2A charger takes about 5 hours to fully charge the 10.4Ah battery from empty. Charging time may vary slightly based on remaining capacity and ambient temperature.
What is the maximum motor power this battery supports?
This battery works with motors from 0 to 750W with 20A maximum discharge current. The standard discharge rate is 10A for normal riding conditions. Higher wattage motors above 750W need batteries with greater discharge capacity.
How many miles can I ride on a single charge?
You can ride 38-125 km or 24-77 miles per charge depending on pedal assist level, rider weight, terrain, and speed. Higher assist levels and hilly routes reduce range while eco modes extend distance.
Does the battery include theft protection?
Yes, the battery has a built-in lock on the left side that secures it to the mounting bracket. You receive keys with your purchase to lock and unlock the battery from your bike frame.
Best For
How this e-bike scores for different riding styles
The battery weighs 10.1 lbs and measures 15.6x3.7x3.6 inches, making it moderately portable as a component. However, it's designed for fixed installation on a bike frame, not independent portability.
This is a replacement battery component, not a complete e-bike. It lacks the motor, frame, wheels, and controls needed for commuting. It only provides power storage for compatible Vivi models.
This replacement battery enables recreational riding only when installed on a compatible Vivi F26F or H8 e-bike. The 38-125 km range with PAS supports leisurely rides, but the product itself is not a complete leisure bike.
As a standalone battery replacement part, this product cannot be used for off-road riding. It requires a complete Vivi e-bike system to function. The 48V 10.4Ah capacity suits motors up to 750W when properly installed.
The battery's 750W motor compatibility and 499Wh capacity provide adequate power for utility tasks, but cargo capability depends entirely on the host bike's frame and design, which this product does not include.
Limited to 750W motor compatibility and 20A max discharge current, this battery falls short of high-performance requirements. True performance e-bikes typically use 1000W+ motors with higher capacity batteries exceeding 700Wh.
Scores
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