EcoFlow · Portable power station Above typical

EcoFlow DELTA Pro 3 Smart Extra Battery (Recommended Accessory)

Name: EcoFlow DELTA Pro 3 Smart Extra Battery (Recommended Accessory)
Brand: EcoFlow
Availability: InStock

$1,899 $0.46 / Wh

90-day median $1,699; all-time low $1,699 on 2026-07-07.

View at EcoFlow — $1,899 Check on Amazon

✓ In stock ✓ Price checked 2026-08-27 LFP · 4,000 cycles

Capacity	4,096 Wh
$/Wh today	$0.46
Chemistry	LFP
Rated cycles	4,000 (to 80%)
Weight	72.8 lbs
Expandable	Yes, to 12,000Wh
Standalone use	No — link port only
Recharge without station	No — only through the station
Availability	In stock

i Above its typical price

$1,699

It's averaged $1,699 over the last 90 days. You're currently paying above the 90-day norm.

i Above its all-time low

$1,699

Its lowest recorded price was $1,699 on 2026-07-07.

i Ignore the “list price”

$1,899

Judge the deal against this model's own price history — not the sticker.

Full tech specifications 14 specs

Battery

Chemistry	LFP
Capacity	4,096Wh
Rated cycles	4,000
Expandable	Yes‡
Max expanded	12,000Wh

Output

AC outlets	0 (link port only)
USB-C ports	0 (link port only)
USB-A ports	0 (link port only)
12V / car output	0 (link port only)

Input & charging

AC input	None — recharges via the station only
Solar (PV) input	None — recharges via the station only
Car input	None — recharges via the station only

General & physical

Weight	72.8‡
Warranty	5 years‡

‡ Sourced from EcoFlow's published tech specs; not independently verified. Core figures (capacity, chemistry, cycles, output) are editorially verified.

EcoFlow DELTA Pro 3 Smart Extra Battery (Recommended Accessory)

Price history

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