Product · SDTYYP
SDTYYP XH370-10J Silverfish: 36 V 15.6 Ah
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This SDTYYP pack is a replacement for e-bikes built around the Silverfish battery shape, specifically the XH370-10J type that slides onto a rear rack or seat tube cradle on many older and budget e-bikes. Its strongest point is clarity: the listing spells out the voltage, capacity, discharge plug, charging port and exact size, so owners can check compatibility properly instead of guessing.
- Voltage
- 36 V
- Capacity
- 15.6 Ah
- Mount
- Silverfish (XH370-10J)
- Connector
- 2-pin discharge, XLR charge port
- Certification stated
- CE, RoHS, UN38.3
- Size
- 39 x 11 x 7.5 cm
In its favour
- Connector details are clear: 2-pin discharge and XLR charging port.
- The listing states CE, RoHS and UN38.3 certification.
- Suits 36 V motors of 250 W to 500 W with a 30 A BMS, according to the listing.
Good to know
- Only fits bikes built for the Silverfish XH370-10J shape.
- Cycle life and warranty length are not stated in the listing.
Our take
Connectors and electrical details
The battery is 36 V and 15.6 Ah, which works out at a little over 560 watt hours. It uses a 2-pin discharge interface and an XLR charging port. The BMS allows a maximum constant discharge of 30 A and the pack is described as suitable for 36 V motors of 250 W, 350 W and 500 W.
The listed charger is 42 V at 2 A. The listing calls it a European standard charger, so check what plug it arrives with and whether you need a UK adapter.
Build quality claims
SDTYYP describes A-grade original cells, an intelligent BMS that prevents overcharge, deep discharge, overcurrent and short circuits, and a rugged aluminium case. The handle is made from an ABS and PC alloy, and an LED indicator shows remaining charge.
The seller states CE, RoHS and UN38.3 certification. UN38.3 relates to transport safety testing for lithium batteries. Batteries are said to pass a QC test before shipping, and you are told to charge it fully on arrival.
Size and fit
The pack measures 390 by 110 by 75 mm. The Silverfish shape only fits bikes designed for it, so measure your current battery and compare the rail and lock position before ordering. A lock is listed in the included components.
Neither the warranty length nor the expected cycle life is given. The listing does mention a UK warehouse and delivery limits outside mainland UK.
How it compares
The Xiseny 36 V 14 Ah also states CE, RoHS and UN38.3 and gives a cycle life figure, but it is for integrated tube frames such as F.lli Schiano, not Silverfish. The SDTYYP rear rack battery serves rack-mounted Mifa and Zündapp systems. Each fits a different frame design, so the choice is set by your bike.
Verdict
Choose this SDTYYP Silverfish if your e-bike takes an XH370-10J pack and you want clear connector and size details. If your bike uses a rear rack carrier, the SDTYYP rear rack battery is the one to compare, and Hailong down tube owners should look at the X-go.
Compared with alternatives in: Best replacement e-bike batteries
Amazon listing title: 36V 15.6Ah Ebike Battery, XH370-10J Sliver Fish Battery with Charger, Electric Bike Removable Battery Replacement, UK Warehouse