Frog Seat Post Mount E-bike Battery for Viking EGO Folding Bike, 24V 10.4Ah 15Ah 20Ah 25Ah, Littlefrog Style 18650 Li-ion

Frog seat post mount battery for Viking EGO folding e-bike. 24V 10.4Ah/15Ah/20Ah/25Ah & 36V 10Ah/20Ah. Littlefrog style li-ion pack, rear seat post mounting, 250W–500W.

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Viking EGO Folding Bike Frog Seat Post Mount Battery 24V / 36V
This professional lithium-ion battery is a dedicated replacement spare part engineered for the Viking EGO folding e-bike. Featuring a Frog (Littlefrog) seat post mount design, it mounts neatly behind the seat post to restore reliable power and extend riding range.
Compatibility
✅ Viking EGO Folding E-bike (Frog Seat Post Mount)
Battery Options
VoltageCapacity Options
24V10.4Ah / 15Ah / 20Ah / 25Ah
36V10Ah / 20Ah

 

Precise Dimensions
ParameterValue
Nominal Voltage24V (36V / 48V available)
Nominal Capacity24V: 10.4Ah / 15Ah / 20Ah / 25Ah; 36V: 10Ah / 20Ah (7.8Ah–25Ah range available)
Battery Cell18650 Li-ion
BMS10A – 20A
Battery StyleFrog (Littlefrog) Seat Post Mount
Battery PositionIntegrated / Hidden (Rear Seat Post Mounting)
Weight4 kg
Charger2A / 3A
Compatible Motor250W – 500W
Battery TypeLithium Ion (Li-ion)
CertificationCE / RoHS / UN38.3 / MSDS
Cycle Life800 – 1000 Times

 

Package Includes
1 × Frog Seat Post Mount Battery Pack (voltage/capacity per selected option)
1 × Integrated BMS (10A – 20A)
Key Features
✅ Frog / Littlefrog Seat Post Mount: Fits the Viking EGO folding frame rear seat post mount.
✅ 24V / 36V Voltage Options: Choose the voltage and capacity that fits your bike.
✅ 10.4Ah–25Ah Capacity Choices: Wide capacity range for your range needs.
✅ High-Grade 18650 Cells: Stable, long-lasting power for daily folding-bike commutes.
✅ CE / RoHS / UN38.3 Certified: Certified for safe transport and use.
Specifications
Brand: Compatible replacement (OEM-style)
Product Name: Viking EGO Frog Seat Post Mount Lithium Battery
Nominal Voltage: 24V (36V / 48V available)
Capacity: 24V: 10.4Ah / 15Ah / 20Ah / 25Ah; 36V: 10Ah / 20Ah
Battery Cell: 18650 Li-ion
BMS: 10A – 20A
Battery Style: Frog (Littlefrog) Seat Post Mount
Weight: 4 kg
Charger: 2A / 3A
Compatible Motor: 250W – 500W
Compatible Models: Viking EGO Folding E-bike
Certification: CE / RoHS / UN38.3 / MSDS
Cycle Life: 800 – 1000 Times
Color: As shown in the picture
Package: 1 frog seat post battery pack (voltage/capacity per selected option)
Important Notes
Please verify your e-bike is a Viking EGO folding bike using the frog seat post mount and confirm the original voltage (24V/36V) before ordering to prevent incompatibility.
Voltage and capacity options are selected at purchase; please confirm the required voltage and Ah before ordering.
Only the battery pack is included; charger, frame or other accessories are not part of the package.
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What Our Riders Say

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.

It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

Mark Wilson Repair Technician

Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

Jennifer Carter Wholesale

We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

Ryan Thompson ebike shop owner

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Frequently Asked Questions

We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.

We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.

All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.

Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.

Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.

Sea freight, air freight and rail transport are optional.

Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.

We provide part identification, model matching and full order follow-up support.