Estry

Battery for Siemens Gigaset SL78 Gigaset SL78H Gigaset SL350H Gigaset SL400 Gigaset SL400A Gigaset SL400H Gigaset SL450H Gigaset SL450HX Gigaset SL450HX. Gigaset SL780H Gigaset SL610H Gigaset SL610H Pro Gigaset SL750 Gigaset SL750H Gigaset SL780 Gigaset S

Q: How do I confirm this battery fits my device?

Match your device against the Compatible Model list, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

$17.99 USD

~~$0.00 USD~~ $17.99 USD

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Title 950mAh 830mAh

12-Month Warranty30-Day Easy ReturnsShips from US in 48hUN38.3 & ISO9001 Certified

This is a 950mAh 3.7V Li-ion replacement battery for Siemens Gigaset SL78, Gigaset SL78H and more, compatible with battery part numbers 4250366817255, S30852-D2152-X1, V30145-K1310-X444 and more.

Battery Specifications

Type:	Li-ion
Weight:	44.0g
Dimension:	52.9535.14.5mm
Category:	Cordless Phone
Voltage:	3.7V
Rate:	3.52Wh

Compatible Brand

Siemens

Compatible Model

Gigaset SL78
Gigaset SL78H
Gigaset SL350H
Gigaset SL400
Gigaset SL400A
Gigaset SL400H
Gigaset SL450H
Gigaset SL450HX
Gigaset SL450HX. Gigaset SL780H
Gigaset SL610H
Gigaset SL610H Pro
Gigaset SL750
Gigaset SL750H
Gigaset SL780
Gigaset SL785
Gigaset SL785H
Gigaset SL788
Gigaset SL800H
Gigaset X656
L30250-F600-C230
OpenScape SL5 professional
OpenStage SL4
OpenStage SL4 professional
S30852-S2352-R141
SL78
SL78H
SL400
SL400A
SL400H
SL780
SL785
SL788
Unify SL4
Unify SL5

Compatible Battery Part Number

4250366817255
S30852-D2152-X1
V30145-K1310-X444
V30145-K1310-X445
V30145-K1310K-X444

⚠ Safety Warnings

Do not disassemble, puncture or modify the battery.
Never short-circuit the terminals or expose to heat / fire.
Do not mix with different batteries or chargers.
Recycle used batteries at designated collection points.

Why Choose Estry

✓ Grade A Cells — Premium cells with stable discharge and low self-discharge.

✓ Real Capacity — Capacity tested to match or exceed the original battery.

✓ Strict QC — Every battery passes charging/discharging and safety checks.

UN38.3 tested for safe transport. MSDS available upon request. Manufactured in an ISO9001 certified facility.

FAQ

How do I confirm this battery fits my device?

Match your device against the Compatible Model list above, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

What is the warranty policy?

This battery is covered by a 12-month warranty against manufacturing defects, plus 30-day easy returns for peace of mind.

How fast will my order arrive?

In-stock orders ship from our US warehouse within 48 hours on business days.