E-Z-GO OEM Battery Management System 691886 Replaced By 10007857 For Golf Carts Pro Grade motorized equipmentUpgrade to the E Z GO OEM Battery Management System (691886, replaced by 10007857) for smarter charging, improved battery health, and dependable power across EZ GO golf carts, utility carts, and light commercial fleets. As an authorized OEM dealer, Rainier Parts delivers genuine E Z GO engineering with plugin installation and trusted aftersales support for a smooth, downtimefriendly upgrade. OEMGrade: Direct plugin installation for standard EZGO
durable backbone for demanding lifting tasks
it supports consistent cooling
resulting in quicker steering response and a more responsive ride quality without compromising comfort
and everyday riding conditions without losing luster or structural integrity
Easy Installation: Designed for a straightforward upgrade with pre-selected components to simplify mounting
Easy Installation: User-friendly design enables quick setup
and connectors so you can manage all cells without juggling multiple parts
at-a-glance status checks during operation
Easy-Install: Engineered for straightforward installation with minimal downtime
Durable-Design: Premium construction built to withstand regular use while preserving a sleek
and moisture in golf-cart environments
EZ-GO Model Years Notes TXT (Gas & Electric) 1994-2009 Standard cushion ring bearing backing compatibility Medalist 1994-1999 Cross-model compatibility where applicable Shuttle 1995-2008 2/4/6/ST Express variants supported Shuttle 950s 1999-2004 Shuttle family compatibility ST Series (ST 350