VTUVIA SX20 battery pack, black, side view, headlined “Second or replacement 48 v 14 ah”
Quick answer

The VTUVIA SX20 battery is a second or replacement 48 V 14 Ah pack for the SX20, Giraffe and FMB; the 15 Ah version for the Reindeer and Zeal is sold out at VTUVIA. It is $599, with free shipping to the lower 48 and US support.

Buy it — $599

SX20/Giraffe/FMB 48V 14AH · free shipping to the lower 48 · opens checkout

What you get

No charger is included. VTUVIA publishes a battery maintenance guide with it; our support desk can send it.

Voltage 48 V
Capacity 14 Ah

Fitment

VTUVIA lists it model by model, so match the row to the model on your frame before you order.

SX20/Giraffe/FMB 48V 14AH SX20 Antelope, Giraffe, FMB
Reindeer/ZEAL 48V 15AH Reindeer (VTUVIA does not say which generation), Zeal LT7 and Zeal XT8
Check on your bike 48 V and 14 Ah on your current pack's label
A green VTUVIA SX20 with panniers on a lake shore
A green VTUVIA SX20 with panniers on a lake shore
Buy it now

48V 14Ah Battery · dispatched within 1–3 business days

Why buy it from Redtail

Free shipping

We cover shipping to any address in the lower 48. Our shipping policy.

Pay over time

With Shop Pay, a $599 purchase could be split into 4 interest-free payments of $149.75 every 2 weeks.

Rates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com/licenses.

Warranty and damage claims

If it arrives damaged, note it with the carrier and send us photos within 48 hours: we file the claim with the carrier and arrange a replacement or repair. Where VTUVIA's warranty applies, our US support desk coordinates the claim with VTUVIA, so you are not the one writing to a factory. Our returns policy.

Buy it and pay over time

4 interest-free payments with Shop Pay

Frequently asked questions

Will this fit my bike?

The fitment table above is VTUVIA's own list. If your model is not in it, or you are not sure which version you have, call (213) 444-4020 and we will check it with VTUVIA before you order.

How much does it cost to ship?

Nothing to an address in the lower 48. Alaska, Hawaii, U.S. territories, P.O. boxes and remote areas may cost extra or be excluded, so contact us before you order.

Can I return it?

Our returns policy applies to parts and accessories as it does to bikes; read it before you order a model-specific part, and check the fitment table twice.

Buy it — Shop Pay accepted

Card or PayPal works too

What’s next after you order

Orders are prepared and dispatched within 1–3 business days of confirmation. You get a tracking number by email when it ships.

  1. Confirmation. Your order confirmation arrives by email.
  2. Ordering with a bike? Parts and accessories may ship separately, on their own schedule.
  3. If anything is wrong. Call (213) 444-4020, and we help you file the claim with VTUVIA.

See the rest in the VTUVIA parts collection, with every e-bike part we sell beside it; the VTUVIA bikes we sell are in the VTUVIA collection.

Buy now — go to checkout

48V 14Ah Battery · $599

How we verified this page. We checked every figure on it against VTUVIA's own listing for this item (vtuviaebike.com/products/sx20-reindeer-battery), read on September 19, 2026, and the fitment table repeats VTUVIA's own model list. Prices and stock were read the same day.

Verified by Milad Ghobadibeygvand, BScN (Western University, 2014). Found something that does not match VTUVIA's current listing? Email support@redtailebikes.com and we will correct it.

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