This 3.8V 3450mAh Li-ion battery is a compatible replacement for TD Tech EP631. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Special Order - Non-Cancellable - Non-Returnable - Additional Lead Time May Be Required On This Item.
Included: One replacement battery pack.
Current Estimated Delivery Date: 1-2 Weeks
Battery specifications
| Voltage | 3.8V |
| Capacity | 3450mAh |
| Chemistry | Li-ion |
| Energy | 13.11Wh |
| Dimensions | 110.50 x 56.50 x 14.40mm |
| Battery weight | 94g /3.32 oz |
Replacing your TD Tech EP631 battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
TD Tech EP631, EP682
Replacement battery numbers
TD Tech BTY3500LI20