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eufy Security T85Z0 Rechargeable Battery for eufyCam S4, 10,000mAh
The eufy Security T85Z0 rechargeable battery is listed for the eufyCam S4 and has a stated 10,000mAh capacity. USB-C charging and a swappable design give S4 owners a way to recharge a spare outside the camera, though the listing does not specify runtime or charging time.
At a glance
- The listing identifies the battery for the eufyCam S4.
- The stated capacity is 10,000mAh.
- USB-C charging and a removable, swappable design are claimed.
Price
£22.99Save 23%
Reference price: £29.99
Price checked: 14 Nov 2026
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Pros and cons
Pros
- The claimed swappable design lets an S4 owner replace a depleted battery with a charged one without waiting for that battery to recharge.
- USB-C charging offers a stated charging method without requiring the battery to stay in the camera.
Technical specifications
7 specifications| Brand | eufy Security |
|---|---|
| Model | T85Z0 |
| Battery type | Lithium Ion |
|---|---|
| Capacity | 10,000mAh |
| Weight | 48 Grams |
| Rechargeable battery included | 1 Nonstandard Battery batteries required. (included) |
| Charging connection | USB-C |
|---|
What to know before buying
- The listing does not state battery runtime, charging time, or whether a USB-C cable is included. Confirm compatibility with the exact eufyCam S4 configuration before buying.
Who is it for?
A good fit for
- eufyCam S4 owners seeking a rechargeable replacement or spare battery.
- People who want to swap in a charged battery rather than wait for a recharge.
Less suited to
- Buyers seeking a battery for a different camera model, as compatibility beyond eufyCam S4 is not stated.
Customer reviews on Amazon
- 5 stars
81% 81% - 4 stars
19% 19% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
The aggregate ratings lean positive, with ratings in the four- and five-star categories, but the sample is small and no written feedback is supplied. Those figures do not explain what customers liked or establish battery runtime, charging performance, or compatibility beyond the listing's eufyCam S4 claim.
Frequently asked questions
Which camera is this battery listed for?
The product title identifies it as a battery for the eufyCam S4. The supplied details do not establish compatibility with other models.
How is it recharged?
The listing says it recharges through USB-C. It does not say whether a cable is included or give a charging time.
What capacity and battery type are stated?
The listing claims a 10,000mAh capacity and Lithium Ion cells.
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