Lester Electrical Summit Series II 650W (29900)
The Lester Electrical Summit Series II 650W (29900) is a battery charger with 18A of charging current, dimensions of 287 x 182 x 93 mm, a supply of 100-240 Vac and an ingress rating of IP66.
Last updated: 3 November 2026
Battery and charging
- Rated output power
- 650 W
- Input voltage
- 100-240 Vac
- Output current
- 18A
- Charger output voltage
- 36 Vdc
- Charger output current
- 18 A
- Voltage at the top of the charge
- 54 Vdc
- Efficiency
- > 90% peak
“Power 650 W Voltage, nominal 24 Vdc 36 Vdc 48 Vdc”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Voltage range, rated 100-240 Vac”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“48V / 13.5A 36V / 18A 24V / 25A 36-48V / 18-13.5A |”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Voltage, nominal 24 Vdc 36 Vdc 48 Vdc”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Current, maximum 25 A 18 A 13.5 A”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Voltage, maximum 36 Vdc 54 Vdc 72 Vdc”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Efficiency > 90% peak, DOE test procedure, 115 Vac, AC and DC losses included”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
Battery care and safety
- Operating temperature range
- -25 °C to 60 °C
- Ingress protection
- IP66
- Temperatures it may be stored in
- -40 °C to 85 °C
“Operating temperature -25 °C to 60 °C (-13 °F to 140 °F)”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Enclosure rating IP66, NEMA 4”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Storage temperature -40 °C to 85 °C (-40 °F to 185 °F)”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
Size and fit
- Overall dimensions
- 287 x 182 x 93 mm
- Cooling method
- Natural convection (no fan)
- Protections
- Current limit, short circuit, reverse polarity, under voltage, over voltage, wrong battery voltage
- Connector on the battery
- IEC 60320 C16 inlet with cord clamp
“Dimensions (LxWxH), 287 x 182 x 93 mm (11.297 x 7.171 x 3.641 in)”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Cooling Natural convection (no fan)”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“Protection Current limit, short circuit, reverse polarity, under voltage, over voltage, wrong battery voltage”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
“AC input connector IEC 60320 C16 inlet with cord clamp”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
Identity
- Model designation
- 29900
“29700 29900 29300 30600 |”
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
Sources
- Archived document
Source: cdn.prod.website-files.com/62b1d1ced3ce357ed11bccde/6a394b32e2e7d26264830740_Summit Series II_650W_DATA SHEET_062226.pdf
Retrieved October 18, 2026