# 1121 (Component) ## Description Battery Holder (Open) Multiple (20700, 21700) 1 Cell Solder Lug The Keystone 1121 is a PCB-mount cylindrical battery holder manufactured by Keystone Electronics, designed to hold one large-format lithium-ion cell, specifically 20700 or 21700 battery sizes. It features an open-frame holder design with solder lug (through-hole) terminals, allowing secure mechanical mounting and reliable electrical connection to a PCB. This type of holder is commonly used in high-capacity battery-powered systems where replaceable cylindrical cells are required. Key Features Battery Compatibility Supports 20700 and 21700 cylindrical Li-ion cells Designed for single-cell (1S) configurations Mechanical & Mounting Through-hole PCB mounting Solder lug terminals for strong electrical and mechanical connection Open-style holder for easy battery insertion/removal Construction Metal contacts for low resistance and durability Designed to securely retain larger cylindrical batteries Physical Characteristics Height above PCB: approx. 17.27 mm Part of Keystone 1100 series holders Typical Applications Battery-powered embedded systems Portable power devices Industrial electronics High-capacity IoT or energy storage modules #holder ## Component Details - **Owner:** adrian95 - **Created:** 4/28/2026 - **Last Updated:** 4/28/2026 - **Visibility:** Public - **Datasheet URL:** https://www.keyelco.com/userAssets/file/K75p30.pdf - **Manufacturer Name:** Keystone Electronics - **Manufacturer Part Number:** 1121 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Battery Holder - **Used in:** 1 project ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/C5867468.html) | $5.5658 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Keystone-Electronics/1121?qs=GBLSl2Akiruj7BSSWVyz1A%3D%3D) | $0.11 | 7.6K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=KEYS1121) | N/A | N/A | - **Part Type:** Power Supply Products - **Manufacturer:** Keystone - **MPN:** 1121 - **Mount Type:** Through Hole - **Package / Case Code:** TO - **Pin Count:** 2 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | POSITIVE | | | 2 | NEGATIVE | | --- *Generated from [https://www.flux.ai/adrian95/1121~kgs](https://www.flux.ai/adrian95/1121~kgs)*