Sun Seeker E-Delta B1 SX Electric Delta vs TerraTrike ChargeE-Delta B1 SX Electric Delta vs Charge
Both checked Sep 2026 against manufacturer pages
Key differences
What actually differs
Both one rider.
Weight
TerraTrike is 22 lb lighter
Sun Seeker
79.5 lb
TerraTrike
57.8 lb
Rider limit
Only Sun Seeker publishes one
Sun Seeker
300 lb
TerraTrike
Not published
We can't confirm TerraTrike's rider limit.
Battery
Sun Seeker has 35% more
Sun Seeker
504 Wh
TerraTrike
374 Wh
Verdict
Which one for you
- Easiest to lift or carryTerraTrike Charge22 lb lighter overall.
- Heavier ridersSun Seeker E-Delta B1 SX Electric DeltaThe only one with a published rider limit (300 lb).
- Longest ridesSun Seeker E-Delta B1 SX Electric DeltaLarger battery. Both range claims are the brand's, not tested.
Full specs
Side by side
SpecSun Seeker E-Delta B1 SX Electric DeltaTerraTrike Charge
Fit
Rider height
Not published by brand
X-seam 37"-46"
Seat height
23" (58 cm)
16 in
Rider limit
300 lbBetter
Not published by brand
Total load
Not published by brand
275 lb
Seats
1 rider
1 rider
Motor
Rated power
350W
250W
Torque
55 NmBetter
43 Nm
Battery
Capacity
504 WhBetter
374 Wh
Voltage and amp-hours
48V · 10.5Ah
—
Range and speed
Claimed range
Eco PAS mostly pedaling 45-50 mi; throttle-only 25-30 mi
Not published by brand
Top speed
15 mph
Not published by brand
E-bike class
Class 2
Not published by brand
Size and folding
Weight
79.5 lb
57.8 lbBetter
Wheels
16" front, 20" rear
20"
Brakes and drivetrain
Brakes
Promax disc front (140mm) and rear (160mm)
Alhonga Mechanical (brake set); Promax Linear Pull, Locking levers
Parking brake
Yes
Yes
Gears
SunRace 7-speed, 13-32T
8 speeds
Comfort and safety
Certifications
ACT Lab tested to UL 2849, UL 2271 and CPSC
Not published by brand
List price
Price
$3,999.99
$3,550Better
"Better" marks the stronger figure where one clearly exists. Range and battery claims are the brand's own. "~" means we calculated it. "—" means we haven't checked it yet. Sources and any conflicting figures are on each model page.