Last updated: 24 September 2026
Battery and charging
- Battery types it will charge
- Lead-acid wet, AGM and gel, lithium, and custom
- Output current
- 13.5 A maximum at 48 V
- Maximum output voltage
- 72 Vdc at 48 V nominal
“Battery types Lead-acid (Wet / AGM / Gel), lithium, custom”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Current, maximum 25 A 18 A 13.5 A”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Voltage, nominal 24 Vdc 36 Vdc 48 Vdc Voltage, maximum 36 Vdc 54 Vdc 72 Vdc”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Battery care and safety
- Operating temperature range
- -25 °C to 65 °C
“Operating temperature -25 °C to 65 °C (-13 °F to 149 °F)”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Compatibility
- What its maker says it is for
- Golf Cars, Material Handling, Industrial Vehicles and 2 others
“Applications Built for the Equipment That Moves Explore applications where this product can support charging and power requirements. Golf Cars 5 Material Handling 5 Industrial Vehicles 5 Aerial Work Platform 5 Floor Care”
Source: lesterelectrical.com/products/ascendrix
Frame and components
- Enclosure rating
- IP66 and NEMA 4
“Enclosure rating IP66, NEMA 4”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Identity
- The models and part numbers it covers
- Three 650W models; the 48V/13.5A is part 32700
“AVAILABLE 650W MODELS 48V / 13.5A 36V / 18A 24V / 25A 32700 32600 32500”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Buying and owning it
- Warranty term
- 48 months
“Backed by more than 60 years of innovation and a Nebraska-based support team, Ascendrix includes a 48-month warranty designed to deliver long-term reliability and peace of mind.”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Other findings
- Drop in replacement claim
- Its maker calls it a drop-in replacement for the Summit Series II
- Efficiency programmes it is listed under
- DOE, CEC and NRCan efficiency rules — marked pending
- Mounting brackets it takes
- Shelf, wall, bulkhead or hook mounting
- Overall dimensions
- 276 x 182 x 91 mm, removable feet not included
- Weight as stated
- 7.80 lb (3.52 kg)
“Designed for versatility, Ascendrix supports CAN bus communication, BMS wake-up, and onboard or shelf mounting, while serving as a drop-in replacement for existing charger platforms, including the Summit Series II.”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Efficiency (pending) DOE Code of Federal Regulations, CEC Appliance Efficiency Regulations, Title 20; 10 CFR Part 430, NRCan Energy Efficiency Regulations”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Mounting Shelf, wall, bulkhead, hook”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Dimensions (LxWxH), (removable feet not included) 276 x 182 x 91 mm (10.871 x 7.171 x 3.568 in)”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
“Weight 7.80 lbs (3.52 Kgs)”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Certification claims
- Safety and emissions claims
- Same seven claims as this brand's other chargers, but marked pending
“Safety / Emissions (pending) UL recognized/listed; cUL certified; FCC Part 15; ICES-003; EN safety, emissions, immunity; CE Certified; ACMA RCM (C-Tick)”
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Compatible batteries
No sourced battery-compatibility evidence is on file for this charger yet.
Sources
- Lester Electrical — Ascendrix product pageMANUFACTURER MODEL PAGE
Lester Electrical
Source: lesterelectrical.com/products/ascendrix
Verified September 24, 2026
- Lester Electrical — Ascendrix 650W DATA SHEET 090126MANUFACTURER DOCUMENT
Lester Electrical
Source: lesterelectrical.com/wp-content/uploads/2026/09/Ascendrix_650W_DATA-SHEET_090126.pdf
Verified September 24, 2026